East Potomac Golf Course

Meet The Team

Bill Chain

Teaches All Year

  • USGTF Certified

  • Over 30 years of experience

  • Bio: Bill attended the acclaimed John Jacobs School of Golf in 1986 to improve his knowledge of the game. He continued to improve through research and instruction from other leading instructors in the DMV area. Bill coached and taught golf in the DC Public School System and was the first Golf Commissioner in the school system.

  • Fun Fact!  Bill proudly worked with the Paul Berry Hook a Kid on Golf Program for 18 years and he was featured in the Washington Post for his advocacy of golf in SE D.C.

  • Students:

    • Juniors:

      • Summer Camps

      • Junior Leagues

      • Private Lessons

      • Group Lessons

    • Adults:  

      • Beginners Group Lessons

      • Beginner Private Lessons

      • Intermediate Group Lessons

      • Intermediate/Advanced Private Lessons

Ted Countee.jpg

Ted Countee

Teaches All Year

  • PGA Professional

  • Over 15 years of experience

  • Bio: Ted has held Head Professional and teaching positions at a number of facilities on the east coast, including the Courses at Andrews AFB, the First Tee Program in D.C. and Maryland, the LPGA International in FL, and most recently at the Cottonfield Golf Club and Sugar Creek Golf Club in GA.

  • Fun Fact! Before turning pro in 1990 he had a successful amateur career winning four club championships with the Oxon Blades Golf Club and qualifying for the Public Links Championship.

  • Students:

    • Juniors:

      • Private Lessons

      • Group Lessons

    • Adults:  

      • Beginners Group Lessons

      • Beginner Private Lessons

      • Intermediate Group Lessons

      • Intermediate/Advanced Private Lessons

    • Club Fittings

James McArdle

Teaches All Year

  • PGA Professional

  • Over 20 years of experience

  • Bio: As the First Assistant Golf Professional at Army Navy CC, James worked alongside Golf Digest’s Top 50 Women’s Instructor M.J. Smith, LPGA, where he instructed many junior golfers who have gone on to win numerous tournaments and state championships. His other experience includes being a Head Pro at Virginia Oaks, the lead instructor for The Nike Golf Learning Center, and the First Assistant at Hidden Creek CC.

  • Fun Fact!  James is also East Potomac’s General Manager

  • Students:

    • Juniors:

      • Private Lessons

    • Adults:  

      • Beginner Private Lessons

      • Intermediate/Advanced Private Lessons

    • Club Fitting Head Pro

Sean Moore

Teaches All Year

  • USGTF Certified

  • Over 1 year of experience as a golf instructor. Over 20 years working in the sports industry as an athletic director and coach

  • Bio: Sean Moore is our newest instructor at The Academy and comes to us from the education field. He is USGTF certified at the associate level and specializes in working with beginning golfers who want to enjoy and embrace golf while viewing it from a larger scale and more broad perspective. He likes working with students who are newer to the game and want to enjoy the sport while not being bogged down with complex terminology or analysis. He has worked with players up through the intermediate level and has worked with golfers of all age groups.

  • Fun Fact! Prior to becoming a golf instructor, he was an Athletic Director in the private school system and coached for over 15 years in multiple sports across numerous ages ranging from elementary students through the Junior College level. 

  • Students:

    • Juniors:

      • Summer Camps

      • Junior Leagues

      • Private Lessons

      • Group Lessons

    • Adults:  

      • Beginners Group Lessons

      • Beginner Private Lessons

      • Intermediate Private Lessons

Leslie Duke

Seasonal - Summer

  • USGTF Certified

  • Over 30 years of experience

  • Bio: Leslie is a snowbird who teaches in Naples Florida at The Club at Twin Eagles during the fall, winter and spring months. Leslie then comes to join the GolfDC Academy team during the summer to help students better their full swing skills along with short game shots.

  • Fun Fact! He has been awarded Golf Magazine's Top 50 Instructor while teaching in Florida 2003 to 2005, as well as being awarded Golf Magazine's Top 25 Instructor in Florida 2005 to 2009.

  • Students:

    • Juniors:

      • Private Lessons

    • Adults:  

      • Beginners Group Lessons

      • Beginner Private Lessons

      • Intermediate Group Lessons

      • Intermediate/Advanced Private Lessons

Mark House

Teaches All Year

  • USGTF Certified

  • Over 10 years of experience

  • Bio: In 2008 he obtained his USGTF certification and became an instructor with The First Tee of Greater Washington DC. In 2013, Mark joined the professional staff at Langston Golf Course. He continued his work with The First Tee of Greater Washington, while also teaching for the GolfDC Academy at Langston.  Mark has a passion for getting new golfers into the game and enjoys teaching players of all levels and ages. 

  • Fun Fact! In 2018, Mark returned to East Potomac to join the Golf Ops management team and the East Potomac Academy. Mark Teaches at both Langston and East Potomac Golf Academy.

  • Students: 

    • Juniors:

      • Summer Camps

      • Junior Leagues

      • Private Lessons

      • Group Lessons

    • Adults:  

      • Beginners Group Lessons

      • Beginner Private Lessons

      • Intermediate Group Lessons

      • Intermediate/Advanced Private Lessons

James Kim

Teaches All Year

  • James is Fluent and Teaches lessons in both Korean and English

  • PGA Professional

  • Over 20 years of experience

  • Bio: He also manages the pro shop as Assistant Professional. James worked with Bridgestone Golf for 4 years working with golfers by fitting them with the correct golf balls and clubs. James worked with Titleist for a year distributing in Korea

  • Fun Fact! ​James joined the GolfDC Academy team in spring of 2013 with 22 years of playing experience in the US and Asia

  • Students:

    • Juniors:

      • Summer Camps

      • Junior Leagues

      • Private Lessons

      • Group Lessons

    • Adults:  

      • Beginners Group Lessons

      • Beginner Private Lessons

      • Intermediate Group Lessons

      • Intermediate/Advanced Private Lessons

      • Club Fittings

Sherwood Lewis

Teaches All Year

  • USGTF Certified

  • Over 10 years of experience

  • Bio: Sherwood has served his country in the U.S. Marine Corps and has also trained as an outstanding amateur boxer. He then developed a passion for Golf which led him to strive to become a Professional. Sherwood also holds a certificate from the International Golf Psychology Association.

  • Fun Fact! Sherwood has been recognized for his teaching achievements as recipient of the GCS Player Development Award. He has also made it to the Top 50 Instructors by U.S. Kids' Golf.

  • Students:

    • Juniors:

      • Summer Camps

      • Junior Leagues

      • Private Lessons

      • Group Lessons

    • Adults:  

      • Beginners Group Lessons

      • Beginner Private Lessons

      • Intermediate Group Lessons

      • Intermediate/Advanced Private Lessons

Robert Rowlett

Teaches All Year

  • Credentials: USGTF Certified – Master Level

  • Over 20 years of experience

  • Bio: Robert worked as an Assistant Pro and Teaching Pro in Las Vegas. He also at worked at IJGA Golf and IMG Leadbetter's Golf Academies after a playing career that includes qualifying for  two national US Amateur Tournaments and a national US Public Links.  He has worked with Hank Haney, Gary Gilchrist and David Lead in developing a better golf teaching philosophy that works with an individual's strengths coupled with sound golf swing fundamentals to better build their golf swing.​

  • Fun Fact! Robert also won the Oklahoma City Amateur and made NAIA All-American and Hogan Tour Participant. 

  • Students:

    • Juniors:

      • Summer Camps

      • Private Lessons

      • Group Lessons

    • Adults:  

      • Beginners Group Lessons

      • Beginner Private Lessons

      • Intermediate Group Lessons

      • Intermediate Private Lessons

      • Advanced Private Lessons

Linda Steinholtz

Seasonal - Summer/Fall

  • Credentials: USGTF Certified

  • Over 25 years of experience

  • Bio: Linda is Titleist Performance Institute (TPI) Certified which focuses on how the most common swing characteristics and loss of swing efficiency are directly connected to how the body is functioning. 

  • Fun Fact! Linda is a volunteer mentor with DC teens in foster care, a Senior Government Consultant and a retired U.S. Army officer who is passionate for the game of golf. Linda teaches both group and private lessons.

  • Students:

    • Juniors:

      • Summer Camps

      • Junior Leagues

      • Private Lessons

      • Group Lessons

    • Adults:  

      • Beginners Group Lessons

      • Beginner Private Lessons

      • Intermediate Private Lessons

Kendall Thomas

Teaches All Year

  • Credentials: USGTF Certified – Master Level

  • Over 15 years of experience

  • Bio: Kendall has worked with world class coaches and player on every level, including players from the PGA Tour, the NCAA, the American Junior Golf Association, professional athletes, and celebrities. His teaching method is based on a science of motion in the golf swing that he developed from his years as an engineer and from thousands of experiences he has had training casual golfers and tournament players.

  • Fun Fact! Kendall’s influences include Ben Hogan, Butch Harmon, Mike Bender, Marius Filmalter, Sean Foley, Chris Aioki, “The Golfing Machine,” and others. Kendall has given more than 50,000 lessons, receiving numerous awards and commendations.

  • Students:

    • Juniors:

      • Summer Camps

      • Private Lessons

      • Group Lessons

    • Adults:  

      • Beginners Group Lessons

      • Beginner Private Lessons

      • Intermediate Group Lessons

      • Intermediate Private Lessons

      • Advanced Private Lessons

Golf Course Specialists Inc.
972 Ohio Drive SW
Washington, DC 20024

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