@import url(‘https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600&family=Source+Sans+3:wght@300;400;600;700&family=Source+Serif+4:ital,opsz,wght@0,8..60,400;0,8..60,600;1,8..60,400&display=swap’); body:has(.mhkg) .header-bg-img.header-content-0{display:none}body:has(.mhkg) #body .content-pad-3x{padding-top:0;padding-bottom:0}body:has(.mhkg) #body{overflow-x:hidden} .mhkg{–navy:#14213d;–red:#e31b23;–cream:#f7f4ee;–rule:#d9d3c7;–ink:#14213d;–muted:#5b6478;font-family:’Source Serif 4′,Georgia,serif;color:var(–ink);font-size:17px;line-height:1.6} .mhkg *{box-sizing:border-box} .mhkg .full{width:100vw;position:relative;left:50%;right:50%;margin-left:-50vw;margin-right:-50vw} .mhkg .wrap{max-width:1120px;margin:0 auto;padding:64px 28px;position:relative} .mhkg .cream{background:var(–cream)} .mhkg .navybg{background:var(–navy);color:#fff} .mhkg p{margin:0 0 14px;font-family:’Source Serif 4′,Georgia,serif;font-size:17px;line-height:1.6;color:inherit} .mhkg h1,.mhkg h2,.mhkg h3,.mhkg h4{font-family:’Oswald’,’Arial Narrow’,sans-serif;text-transform:uppercase;color:var(–navy);letter-spacing:.2px;line-height:1.08;margin:0 0 14px;font-weight:600} .mhkg h2{font-size:40px} .mhkg h3{font-size:22px;font-weight:500;margin-top:18px} .mhkg h4{font-size:17px;font-weight:600;margin:0 0 6px} .mhkg .eyebrow{font-family:’Oswald’,sans-serif;color:var(–red);font-size:13px;letter-spacing:3px;text-transform:uppercase;font-weight:500;margin:0 0 8px;display:block} .mhkg .lead{font-size:20px;line-height:1.5} .mhkg .side{position:absolute;right:-6px;top:70px;writing-mode:vertical-rl;font-family:’Oswald’,sans-serif;color:var(–red);letter-spacing:3px;font-size:12px;text-transform:uppercase} .mhkg img{max-width:100%;height:auto;display:block;border-radius:0} .mhkg figure{margin:0} .mhkg figcaption{font-family:’Source Sans 3′,sans-serif;font-style:italic;color:var(–muted);font-size:13px;margin-top:6px;line-height:1.35} .mhkg a{color:var(–red)} .mhkg .grid2{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start} .mhkg .grid2.wide{grid-template-columns:1.15fr .85fr} .mhkg .cols2{column-count:2;column-gap:36px} .mhkg .cols2 p{break-inside:avoid} /* hero */ .mhkg .hero{display:grid;grid-template-columns:1.1fr .9fr;min-height:560px} .mhkg .hero .ph{background-size:cover;background-position:center;border-bottom:6px solid var(–red)} .mhkg .hero .pn{background:var(–navy);color:#fff;padding:56px 48px;display:flex;flex-direction:column;justify-content:center} .mhkg .hero .logo{width:280px;max-width:100%;margin-bottom:28px} .mhkg .hero .wt{font-family:’Oswald’,sans-serif;letter-spacing:4px;font-size:14px;text-transform:uppercase;margin:0 0 6px;color:#fff} .mhkg .hero h1{color:#fff;font-size:56px;margin:0 0 16px;line-height:1.02} .mhkg .hero h1 sup{font-size:.4em;vertical-align:super} .mhkg .hero .tag{font-style:italic;font-size:19px;color:#e9ecf3;margin-bottom:36px} .mhkg .hero .addr{display:flex;justify-content:space-between;gap:16px;border-top:1px solid rgba(255,255,255,.35);padding-top:16px;font-family:’Source Sans 3′,sans-serif;font-size:14px;color:#fff} .mhkg .hero .addr b{font-family:’Oswald’,sans-serif;font-size:22px;font-weight:500;display:block;text-align:right} .mhkg .hero .addr a{color:#fff;text-decoration:none} /* buttons */ .mhkg .btns{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 0} .mhkg .btn{display:inline-block;font-family:’Oswald’,sans-serif;text-transform:uppercase;letter-spacing:1.5px;font-size:15px;padding:12px 20px;background:var(–red);color:#fff!important;text-decoration:none;border:2px solid var(–red)} .mhkg .btn.ghost{background:transparent;color:var(–navy)!important;border-color:var(–navy)} .mhkg .navybg .btn.ghost{color:#fff!important;border-color:#fff} /* letter */ .mhkg .letter{display:grid;grid-template-columns:230px 1fr;gap:28px;margin:10px 0 18px} .mhkg .sig{font-style:italic;font-size:24px;margin:10px 0 0} .mhkg .sigsub{font-family:’Source Sans 3′,sans-serif;color:var(–muted);font-size:13px} .mhkg .toc{list-style:none;margin:8px 0 0;padding:0;font-family:’Source Sans 3′,sans-serif} .mhkg .toc li{display:flex;gap:10px;border-bottom:1px solid var(–rule);padding:9px 0;font-size:16px;margin:0} .mhkg .toc li b{color:var(–red);font-family:’Oswald’,sans-serif;font-weight:500;min-width:26px} .mhkg .toc li a{color:var(–navy);text-decoration:none} /* Q list */ .mhkg .qs{list-style:none;margin:18px 0 0;padding:0} .mhkg .qs li{display:grid;grid-template-columns:34px 1fr;border-bottom:1px solid var(–rule);padding:14px 0;margin:0} .mhkg .qs li:before{content:’Q’;font-family:’Oswald’,sans-serif;color:var(–red);font-weight:600;font-size:22px;line-height:1} .mhkg .qs strong{display:block;font-family:’Source Sans 3′,sans-serif;font-weight:700;font-size:16px;margin-bottom:2px} .mhkg .qs span{font-size:16px} /* cards */ .mhkg .cards{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:22px 0} .mhkg .card{background:#fff;border-top:4px solid var(–red);padding:18px 20px;box-shadow:0 1px 0 var(–rule)} .mhkg .cream .card{background:#fff} .mhkg .card .blk{font-family:’Oswald’,sans-serif;color:var(–red);letter-spacing:2px;font-size:12px;text-transform:uppercase} .mhkg .card p{font-size:16px;margin:0 0 8px} .mhkg .card em{color:var(–muted);font-size:15px} .mhkg .sub{font-family:’Oswald’,sans-serif;text-transform:uppercase;color:var(–navy);font-size:17px;font-weight:600;margin:22px 0 6px;letter-spacing:.3px} /* tools */ .mhkg .sheet{border:1px solid var(–rule);background:#fff;padding:14px 16px;font-family:’Source Sans 3′,sans-serif;font-size:14px} .mhkg .sheet .lines div{border-bottom:1px solid var(–rule);height:24px} .mhkg .sheet table{width:100%;border-collapse:collapse;font-size:13px} .mhkg .sheet th,.mhkg .sheet td{border:1px solid var(–rule);padding:4px 6px;text-align:left} .mhkg .sheet th{background:var(–navy);color:#fff;font-family:’Oswald’,sans-serif;font-weight:500;letter-spacing:.5px} .mhkg .sheet td.cat{font-family:’Oswald’,sans-serif;color:var(–red);text-transform:uppercase;font-size:12px} /* programs */ .mhkg .prog{display:grid;grid-template-columns:150px 1fr;gap:18px;align-items:center;border-bottom:1px solid var(–rule);padding:16px 0} .mhkg .prog img{width:150px;height:100px;object-fit:cover} .mhkg .prog h4{color:var(–navy)} .mhkg .prog p{margin:0;font-size:16px} /* path */ .mhkg .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:18px 0} .mhkg .step{background:var(–navy);color:#fff;padding:16px 14px;font-family:’Source Sans 3′,sans-serif;font-size:15px;line-height:1.3} .mhkg .step b{display:block;font-family:’Oswald’,sans-serif;color:var(–red);font-size:26px;font-weight:600;margin-bottom:6px} .mhkg .stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;border-top:2px solid var(–navy);margin-top:22px;padding-top:16px;text-align:center} .mhkg .stats b{display:block;font-family:’Oswald’,sans-serif;font-size:40px;font-weight:600;color:var(–navy);line-height:1} .mhkg .stats span{font-family:’Source Sans 3′,sans-serif;color:var(–muted);font-size:14px} /* quotes */ .mhkg .pull{font-family:’Oswald’,sans-serif;text-transform:uppercase;font-size:26px;color:var(–navy);margin:0 0 16px;line-height:1.15} .mhkg .pull em{font-style:normal;color:var(–red)} .mhkg blockquote{margin:0 0 20px;padding:0;border:0;background:none;font-style:italic;font-size:16px;line-height:1.55;color:var(–ink);break-inside:avoid} .mhkg blockquote:before,.mhkg blockquote:after{content:none} .mhkg blockquote cite{display:block;font-style:normal;font-family:’Oswald’,sans-serif;letter-spacing:2px;text-transform:uppercase;font-size:13px;margin-top:6px;color:var(–navy)} .mhkg .note{font-family:’Source Sans 3′,sans-serif;font-size:13px;color:var(–muted);font-style:italic} /* boxes */ .mhkg .navybox{background:var(–navy);color:#fff;padding:22px 24px;margin-top:18px} .mhkg .navybox h4{color:#fff;font-size:18px} .mhkg .navybox p{color:#fff;font-size:16px;margin:0} .mhkg .facts{list-style:none;padding:0;margin:8px 0 18px} .mhkg .facts li{display:grid;grid-template-columns:72px 1fr;gap:12px;padding:8px 0;border-bottom:1px solid var(–rule);font-size:16px;margin:0} .mhkg .facts li b{font-family:’Oswald’,sans-serif;color:var(–red);font-weight:600} /* closing */ .mhkg .close{background-size:cover;background-position:center;position:relative} .mhkg .close:before{content:”;position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,33,61,.55),rgba(20,33,61,.95) 60%)} .mhkg .close .wrap{position:relative;color:#fff;padding-top:140px} .mhkg .close h2{color:#fff;font-size:52px} .mhkg .close .phone{font-family:’Oswald’,sans-serif;font-size:44px;font-weight:500;color:#fff;text-decoration:none;display:inline-block;margin:6px 0} .mhkg .close .eyebrow{color:#fff} .mhkg .legal{font-family:’Source Sans 3′,sans-serif;font-size:12px;color:#c9cfdc;margin-top:28px} @media (max-width:860px){ .mhkg .hero{grid-template-columns:1fr}.mhkg .hero .ph{min-height:300px}.mhkg .hero h1{font-size:42px}.mhkg .hero .pn{padding:36px 24px} .mhkg .grid2,.mhkg .grid2.wide,.mhkg .letter{grid-template-columns:1fr;gap:24px}.mhkg .letter img{max-width:240px} .mhkg .cols2{column-count:1}.mhkg .cards{grid-template-columns:1fr}.mhkg .steps{grid-template-columns:1fr 1fr} .mhkg h2{font-size:32px}.mhkg .side{display:none}.mhkg .wrap{padding:44px 20px}.mhkg .close h2{font-size:38px}.mhkg .close .phone{font-size:34px} .mhkg .prog{grid-template-columns:110px 1fr}.mhkg .prog img{width:110px;height:80px} } .mhkg .hero .btn.ghost,.mhkg .close .btn.ghost{color:#fff!important;border-color:#fff} .mhkg .hero .ph{background-position:center 35%} .mhkg .stats4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;border-top:2px solid var(–navy);margin-top:26px;padding-top:16px;text-align:center} .mhkg .stats4 b{display:block;font-family:’Oswald’,sans-serif;font-size:34px;font-weight:600;color:var(–navy);line-height:1.05} .mhkg .stats4 span{font-family:’Source Sans 3′,sans-serif;color:var(–muted);font-size:14px} .mhkg table.kv{width:100%;border-collapse:collapse;margin:14px 0;font-size:16px} .mhkg table.kv th,.mhkg table.kv td{border-bottom:1px solid var(–rule);padding:9px 10px;text-align:left;vertical-align:top} .mhkg table.kv th{font-family:’Oswald’,sans-serif;color:var(–red);font-weight:500;text-transform:uppercase;letter-spacing:.5px;font-size:14px;width:30%} .mhkg .covers{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:22px} .mhkg .covers figure{background:#fff;padding:12px;border:1px solid var(–rule)} .mhkg .gal{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:22px} .mhkg .gal figure{margin:0} .mhkg .gal img{width:100%;height:auto} .mhkg .gal .wide{grid-column:span 3} .mhkg .gal .two{grid-column:span 2} .mhkg .champ{background:#fff;border-top:4px solid var(–red);padding:18px 20px} .mhkg .cream .champ{background:#fff} .mhkg .champ h4{margin-bottom:4px} .mhkg .champ .blk{font-family:’Oswald’,sans-serif;color:var(–red);letter-spacing:2px;font-size:12px;text-transform:uppercase} .mhkg .roster{columns:2;column-gap:36px;list-style:none;padding:0;margin:14px 0} .mhkg .roster li{break-inside:avoid;border-bottom:1px solid var(–rule);padding:10px 0;margin:0;font-size:16px} .mhkg .roster li b{font-family:’Oswald’,sans-serif;color:var(–navy);font-weight:600;text-transform:uppercase;letter-spacing:.3px} .mhkg .vids{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:18px} .mhkg .vid{display:block;text-decoration:none;color:var(–ink);background:#fff;border:1px solid var(–rule)} .mhkg .vid .th{position:relative;aspect-ratio:16/9;background:#000 center/cover no-repeat} .mhkg .vid .th:after{content:’\25B6′;position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:46px;height:46px;border-radius:50%;background:rgba(227,27,35,.92);color:#fff;font-size:18px;line-height:46px;text-align:center} .mhkg .vid span{display:block;padding:10px 12px;font-family:’Source Sans 3′,sans-serif;font-size:14px;line-height:1.35;color:var(–navy)} .mhkg .vid small{display:block;color:var(–muted);font-size:12px;margin-top:3px} .mhkg .tl{list-style:none;padding:0;margin:18px 0 0;border-left:3px solid var(–red)} .mhkg .tl li{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:10px 0 10px 18px;margin:0;border-bottom:1px solid var(–rule);font-size:16px} .mhkg .tl li b{font-family:’Oswald’,sans-serif;color:var(–red);font-weight:600} .mhkg .src{font-family:’Source Sans 3′,sans-serif;font-size:14px;columns:2;column-gap:36px;padding-left:18px} .mhkg .src li{break-inside:avoid;margin:0 0 6px} @media (max-width:980px){.mhkg .vids{grid-template-columns:repeat(2,1fr)}} @media (max-width:860px){.mhkg .stats4{grid-template-columns:1fr 1fr}.mhkg .covers,.mhkg .gal{grid-template-columns:1fr 1fr}.mhkg .gal .wide{grid-column:span 2}.mhkg .gal .two{grid-column:span 2}.mhkg .roster,.mhkg .src{columns:1}.mhkg .tl li{grid-template-columns:1fr;gap:2px}} @media (max-width:640px){.mhkg .hero .addr{flex-direction:column}.mhkg .hero .addr b{text-align:left}.mhkg .covers,.mhkg .gal{grid-template-columns:1fr}.mhkg .gal .wide,.mhkg .gal .two{grid-column:auto}.mhkg .vids{grid-template-columns:1fr}} .mhkg ul.chk{list-style:none;padding:0;margin:10px 0 16px}.mhkg ul.chk li{padding:8px 0 8px 28px;border-bottom:1px solid var(–rule);position:relative;font-size:16px;margin:0}.mhkg ul.chk li:before{content:”\2713″;position:absolute;left:4px;color:var(–red);font-weight:700}.mhkg .rel{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:16px}.mhkg .rel a{display:block;background:#fff;border-top:4px solid var(–red);padding:14px 16px;font-family:Oswald,sans-serif;text-transform:uppercase;letter-spacing:.5px;color:var(–navy);text-decoration:none;font-size:15px}.mhkg .bc{font-family:”Source Sans 3″,sans-serif;font-size:13px;color:#c9cfdc;margin:0 0 14px}.mhkg .bc a{color:#fff}@media (max-width:860px){.mhkg .rel{grid-template-columns:1fr 1fr}}

Stephen Oliver’s Mile High Karate

Building confident kids & strong families through martial arts since 1983

Kids, teen, adult and family classes at Mile High Karate Thornton, 3979 E 120th Avenue, Thornton, Colorado.

3979 E 120th Ave
Thornton, CO 80233
Since 19831,000+ Black Belts
Since 1983About Mile High Karate

Colorado’s Black Belt school since 1983

Mile High Karate is a Colorado martial arts school founded by Grand Master Stephen Oliver in Lakewood, Colorado, on August 6, 1983. It has promoted more than 1,000 Black Belts, and today teaches children, teens, adults and families at Mile High Karate Thornton, 3979 E 120th Avenue, led by Amanda and Stephen Christensen.

FoundedAugust 6, 1983, Lakewood, Colorado
FounderGrand Master Stephen Oliver, 10th Degree Black Belt
Chief of InstructionGrand Master Jeff Smith
SchoolMile High Karate Thornton, 3979 E 120th Ave, Thornton, CO 80233
Phone(303) 280-1839
Hours9 am–9 pm, seven days a week
Class timesMonday–Friday 3–9 pm; Saturday 9 am–3 pm
Schedule and enrollmentThorntonMHK.com
ServingThornton, Northglenn, Brighton, Westminster
StyleAmerican Freestyle, in the lineage of Grand Master Jhoon Rhee
Grand Master Stephen Oliver congratulating a student at a Mile High Karate belt graduation
Grand Master Stephen Oliver congratulating a student at a Mile High Karate belt graduation
1983Founded in Colorado
1,000+Black Belts promoted
5–76Ages of Black Belts
2003Christensens lead Thornton
Programs at Mile High Karate Thornton

Classes for every age

Young Mile High Karate students in blue uniforms practicing a punch in class

Kids karate, ages 4–6 and 7–12

Character lessons in every class and the Black Belt as each child’s long-term goal.

Children training together in a Mile High Karate character development class

Preschool martial arts

Short, active classes that build listening, coordination and focus.

Mile High Karate student practicing a kick

Teen martial arts

Fitness, self-defense and leadership for teenagers.

Adult woman training in a Mile High Karate self-defense class

Adult martial arts and self-defense

Conditioning and practical self-defense for any starting fitness level.

Mile High Karate Thornton students practicing kicks in class

Family classes

Parents and children training together.

Mile High Karate instructor teaching a School Safe / Street Safe lesson

Bully prevention

Confidence first, physical skills last.

Grand Master Stephen Oliver congratulating a student at a Mile High Karate belt graduation

Before- and after-school programs

Enrichment in the Jefferson, Adams and Brighton school districts.

In their words

What families say

The best decision we made for our sons. Consistent character, leadership and personal development. Sustained athletic and intellectual growth. Owners and adult leaders who genuinely care about your kid.Elizabeth Galentine · Parent, Thornton · Google review
I was a student at MHK when I was a kid and the life lessons I learned stuck with me as I got older. When I became a parent, I wanted my son to have those same life lessons. … I am 45 and still training, I like to try to keep up with the kids!Mindy Davis · Parent and former student, Thornton · Google review
Family run, with that unique old school touch that makes you feel welcome and at home. … They’ve been able to learn structure and discipline in a fun way.Julian Romero · Parent, Thornton · Google review
This program helped teach my son leadership skills, public speaking skills, self confidence, and how to set and achieve any goals he creates for himself.Marc Nemeth · Parent, Westminster · Google review

Quoted as written, shortened where marked. Read more than 300 reviews and stories.

Our heritage

More than four decades of Mile High Karate

Our standard

The Mile High Karate Standard

An academy, not a drop-in class: a written four-year curriculum, trained instructors and a Black Belt earned at a 48-hour test.

History

The history of Mile High Karate

From one Lakewood school in 1983 to five schools in 18 months, and more than 1,000 Black Belts since.

Black Belt Retreat

The Black Belt Retreat

The three-day retreat in Breckenridge that completes every Mile High Karate Black Belt test.

Since 1990

The Black Belt Extravaganza

The annual graduation show where new Black Belts receive their belts on stage, with videos back to 2005.

Founder

Grand Master Stephen Oliver

10th Degree Black Belt, founder and CEO of Mile High Karate.

Chief of Instruction

Grand Master Jeff Smith

Chief of Instruction for Mile High Karate.

Lineage

The Jhoon Rhee lineage

How American Freestyle grew from Grand Master Jhoon Rhee’s Tae Kwon Do.

1989–1999

The Mile High Karate Classic

Denver’s NASKA World Tour tournament, promoted by Stephen Oliver.

By the numbers

Facts and history

Quick facts about Mile High Karate, and the archive of historic documents.

Photos

Inside Mile High Karate

Students training at Mile High Karate in Colorado
Students training at Mile High Karate in Colorado
Students training at Mile High Karate in Colorado

See the photo gallery

Resources

For billing, classes, attendance, events or rank testing, contact Mile High Karate Thornton at (303) 280-1839.

Questions

Mile High Karate questions

  • What is Mile High Karate?Mile High Karate is a Colorado martial arts organization founded by Grand Master Stephen Oliver in Lakewood, Colorado, on August 6, 1983. It has promoted more than 1,000 Black Belts, and today teaches children, teens, adults and families at Mile High Karate Thornton, 3979 E 120th Ave, Thornton, CO 80233.
  • Where is Mile High Karate located?Mile High Karate Thornton is at 3979 E 120th Ave, Thornton, CO 80233, and serves Thornton, Northglenn, Brighton, Westminster and the north Denver metro. Call (303) 280-1839. The school is open 9 am–9 pm, seven days a week, with classes Monday–Friday 3–9 pm and Saturday 9 am–3 pm; the current schedule is at ThorntonMHK.com.
  • Who founded Mile High Karate?Grand Master Stephen Oliver, a 10th Degree Black Belt in the lineage of Grand Master Jhoon Rhee, founded Mile High Karate in 1983. Grand Master Jeff Smith is Chief of Instruction.
  • What ages does Mile High Karate teach?Preschool children, kids ages 4–6 and 7–12, teens and adults, plus family classes. Mile High Karate has promoted Black Belts from age 5 to age 76.
  • What style of martial arts does Mile High Karate teach?American Freestyle, which grew from Grand Master Jhoon Rhee’s Tae Kwon Do and combines Korean kicking, traditional forms and practical self-defense.
  • How long does it take to earn a Black Belt at Mile High Karate?About 48 months of consistent training, finishing with informal, formal and written tests and a three-day Black Belt Retreat in Breckenridge, Colorado.
Mile High Karate Thornton

Book a first class

3979 E 120th Ave, Thornton, CO 80233. Open 9 am–9 pm, seven days a week; classes Monday–Friday 3–9 pm and Saturday 9 am–3 pm.

(303) 280-1839
{“@context”:”https://schema.org”,”@graph”:[{“@type”:[“Organization”,”SportsOrganization”],”@id”:”https://milehighkarate.com/#organization”,”name”:”Mile High Karate”,”logo”:”https://milehighkarate.com/wp-content/uploads/2014/10/MileHighKarate_logo.png”,”legalName”:”Mile High Karate, LLC”,”alternateName”:”Stephen Oliver’s Mile High Karate”,”url”:”https://milehighkarate.com/”,”foundingDate”:”1983-08-06″,”foundingLocation”:{“@type”:”Place”,”name”:”Lakewood, Colorado”},”founder”:{“@id”:”https://stephencoliver.com/#person”},”sport”:”Martial arts”,”description”:”Colorado martial arts organization founded by Stephen Oliver in Lakewood, Colorado on August 6, 1983; more than 1,000 Black Belts promoted; promoter of the Mile High Karate Classic (NASKA World Tour, 1989-1999).”,”subOrganization”:{“@id”:”https://milehighkarate.com/thornton/#location”}},{“@type”:”Person”,”@id”:”https://stephencoliver.com/#person”,”name”:”Stephen Oliver”,”alternateName”:[“Grand Master Stephen Oliver”,”Stephen C. Oliver”],”honorificPrefix”:”Grand Master”,”honorificSuffix”:”MBA”,”jobTitle”:”Founder & CEO, Mile High Karate and Martial Arts Wealth Mastery; CEO & Chairman, NAPMA; Publisher, Martial Arts Professional”,”description”:”Grand Master Stephen Oliver, MBA, is a 10th Degree Black Belt, founder of Mile High Karate (1983) and Martial Arts Wealth Mastery, CEO and Chairman of NAPMA (the National Association of Professional Martial Artists), and Publisher of Martial Arts Professional magazine.”,”url”:”https://stephencoliver.com/”,”image”:”https://www.martialartsprofessional.com/wp-content/uploads/2026/08/grandmaster-stephen-oliver-2026.jpg”,”hasCredential”:[{“@type”:”EducationalOccupationalCredential”,”credentialCategory”:”A.B. (Bachelor’s Degree), cum laude, in International Economics”,”educationalLevel”:”Bachelor’s Degree”,”dateCreated”:”1982″,”recognizedBy”:{“@type”:”CollegeOrUniversity”,”name”:”Georgetown University”}},{“@type”:”EducationalOccupationalCredential”,”credentialCategory”:”Executive MBA, Executive Program, Daniels College of Business”,”educationalLevel”:”Master’s Degree”,”dateCreated”:”1992″,”recognizedBy”:{“@type”:”CollegeOrUniversity”,”name”:”University of Denver”}},{“@type”:”EducationalOccupationalCredential”,”credentialCategory”:”10th Degree Black Belt”,”dateCreated”:”2026-04″}],”alumniOf”:[{“@type”:”CollegeOrUniversity”,”name”:”Georgetown University”},{“@type”:”CollegeOrUniversity”,”name”:”University of Denver”},{“@type”:”CollegeOrUniversity”,”name”:”University of Tulsa”}],”worksFor”:[{“@type”:”OrganizationRole”,”roleName”:”Founder and CEO”,”startDate”:”1983″,”worksFor”:{“@id”:”https://milehighkarate.com/#organization”}},{“@type”:”OrganizationRole”,”roleName”:”Founder and CEO”,”worksFor”:{“@id”:”https://martialartswealth.com/#org”}},{“@type”:”OrganizationRole”,”roleName”:”CEO and Chairman”,”startDate”:”2007″,”worksFor”:{“@id”:”https://napma.com/#organization”}},{“@type”:”OrganizationRole”,”roleName”:”Publisher”,”worksFor”:{“@id”:”https://www.martialartsprofessional.com/#organization”}}],”award”:[“Official Taekwondo Hall of Fame, Lifetime Achievement (2026)”,”U.S. Martial Arts Association Hall of Fame (2000)”,”Educational Funding Company Lifetime Achievement Award”,”AMAA Lifetime Achievement Award”,”National Merit Finalist”],”knowsAbout”:[“Martial arts school management”,”Martial arts marketing”,”Student retention”,”Instructor development”,”Taekwondo”,”American Freestyle karate”],”sameAs”:[“https://stephencoliver.com/”,”https://www.wikidata.org/wiki/Q141659733″,”https://www.linkedin.com/in/stephencoliver/”,”https://www.amazon.com/stores/Stephen-Oliver/author/B004IA8H9E”,”https://x.com/StephenCOliver”,”https://www.youtube.com/@StephenOliver-MartialArts”,”https://www.threads.com/@stephencoliver”],”mainEntityOfPage”:”https://www.martialartsprofessional.com/about-mapro/about-stephen-oliver/”},{“@type”:”SportsActivityLocation”,”@id”:”https://milehighkarate.com/thornton/#location”,”name”:”Mile High Karate Thornton”,”url”:”https://milehighkarate.com/thornton/”,”telephone”:”+1-303-280-1839″,”image”:[“https://milehighkarate.com/wp-content/uploads/2026/09/mhk-thornton-families-class.jpg”,”https://milehighkarate.com/wp-content/uploads/2026/09/mhk-thornton-kids-karate-class.jpg”],”logo”:”https://milehighkarate.com/wp-content/uploads/2014/10/MileHighKarate_logo.png”,”address”:{“@type”:”PostalAddress”,”streetAddress”:”3979 E 120th Ave”,”addressLocality”:”Thornton”,”addressRegion”:”CO”,”postalCode”:”80233″,”addressCountry”:”US”},”geo”:{“@type”:”GeoCoordinates”,”latitude”:39.9164972,”longitude”:-104.9414444},”hasMap”:”https://www.google.com/maps/search/?api=1&query=Mile+High+Karate+3979+E+120th+Ave+Thornton+CO+80233″,”areaServed”:[{“@type”:”City”,”name”:”Thornton, Colorado”},{“@type”:”City”,”name”:”Northglenn, Colorado”},{“@type”:”City”,”name”:”Brighton, Colorado”},{“@type”:”City”,”name”:”Westminster, Colorado”}],”parentOrganization”:{“@id”:”https://milehighkarate.com/#organization”},”employee”:[{“@type”:”Person”,”name”:”Amanda Christensen”,”jobTitle”:”Owner”},{“@type”:”Person”,”name”:”Stephen Christensen”,”jobTitle”:”Owner”},{“@type”:”Person”,”name”:”Alexandria Christensen”,”jobTitle”:”Head Instructor, 4th Degree Black Belt”}],”sameAs”:[“https://www.thorntonmhk.com/”],”hasOfferCatalog”:{“@type”:”OfferCatalog”,”name”:”Martial arts programs”,”itemListElement”:[{“@type”:”Offer”,”itemOffered”:{“@id”:”https://milehighkarate.com/thornton/kids-karate/#service”}},{“@type”:”Offer”,”itemOffered”:{“@id”:”https://milehighkarate.com/thornton/preschool-martial-arts/#service”}},{“@type”:”Offer”,”itemOffered”:{“@id”:”https://milehighkarate.com/thornton/teen-martial-arts/#service”}},{“@type”:”Offer”,”itemOffered”:{“@id”:”https://milehighkarate.com/thornton/adult-martial-arts/#service”}},{“@type”:”Offer”,”itemOffered”:{“@id”:”https://milehighkarate.com/thornton/family-classes/#service”}},{“@type”:”Offer”,”itemOffered”:{“@id”:”https://milehighkarate.com/thornton/bully-prevention/#service”}},{“@type”:”Offer”,”itemOffered”:{“@id”:”https://milehighkarate.com/thornton/after-school-programs/#service”}}]},”openingHoursSpecification”:[{“@type”:”OpeningHoursSpecification”,”dayOfWeek”:[“Monday”,”Tuesday”,”Wednesday”,”Thursday”,”Friday”,”Saturday”,”Sunday”],”opens”:”09:00″,”closes”:”21:00″}],”legalName”:”Tasak LLC”},{“@type”:”FAQPage”,”@id”:”https://milehighkarate.com/#faq”,”mainEntity”:[{“@type”:”Question”,”name”:”What is Mile High Karate?”,”acceptedAnswer”:{“@type”:”Answer”,”text”:”Mile High Karate is a Colorado martial arts organization founded by Grand Master Stephen Oliver in Lakewood, Colorado, on August 6, 1983. It has promoted more than 1,000 Black Belts, and today teaches children, teens, adults and families at Mile High Karate Thornton, 3979 E 120th Ave, Thornton, CO 80233.”}},{“@type”:”Question”,”name”:”Where is Mile High Karate located?”,”acceptedAnswer”:{“@type”:”Answer”,”text”:”Mile High Karate Thornton is at 3979 E 120th Ave, Thornton, CO 80233, and serves Thornton, Northglenn, Brighton, Westminster and the north Denver metro. Call (303) 280-1839. The school is open 9 am–9 pm, seven days a week, with classes Monday–Friday 3–9 pm and Saturday 9 am–3 pm; the current schedule is at ThorntonMHK.com.”}},{“@type”:”Question”,”name”:”Who founded Mile High Karate?”,”acceptedAnswer”:{“@type”:”Answer”,”text”:”Grand Master Stephen Oliver, a 10th Degree Black Belt in the lineage of Grand Master Jhoon Rhee, founded Mile High Karate in 1983. Grand Master Jeff Smith is Chief of Instruction.”}},{“@type”:”Question”,”name”:”What ages does Mile High Karate teach?”,”acceptedAnswer”:{“@type”:”Answer”,”text”:”Preschool children, kids ages 4–6 and 7–12, teens and adults, plus family classes. Mile High Karate has promoted Black Belts from age 5 to age 76.”}},{“@type”:”Question”,”name”:”What style of martial arts does Mile High Karate teach?”,”acceptedAnswer”:{“@type”:”Answer”,”text”:”American Freestyle, which grew from Grand Master Jhoon Rhee’s Tae Kwon Do and combines Korean kicking, traditional forms and practical self-defense.”}},{“@type”:”Question”,”name”:”How long does it take to earn a Black Belt at Mile High Karate?”,”acceptedAnswer”:{“@type”:”Answer”,”text”:”About 48 months of consistent training, finishing with informal, formal and written tests and a three-day retreat in Breckenridge, Colorado.”}}]},{“@type”:”Organization”,”@id”:”https://martialartswealth.com/#org”,”name”:”Martial Arts Wealth Mastery”,”alternateName”:”Stephen Oliver’s Inner Circle”,”url”:”https://martialartswealth.com/”,”foundingDate”:”2000″,”founder”:{“@id”:”https://stephencoliver.com/#person”},”description”:”Business coaching and consulting for martial arts school owners, BJJ academies and MMA gyms, founded by Stephen Oliver in 2000 as Stephen Oliver’s Inner Circle.”},{“@type”:”Organization”,”@id”:”https://napma.com/#organization”,”name”:”National Association of Professional Martial Artists”,”alternateName”:”NAPMA”,”url”:”https://napma.com/”,”foundingDate”:”1993″},{“@type”:”NewsMediaOrganization”,”@id”:”https://www.martialartsprofessional.com/#organization”,”name”:”Martial Arts Professional”,”url”:”https://www.martialartsprofessional.com/”,”parentOrganization”:{“@id”:”https://napma.com/#organization”},”publisher”:{“@id”:”https://napma.com/#organization”}}]}