Tennis Staff

Eric Wedemeyer

Role: Director of Tennis
Serving Since: 2005
Email Eric Wedemeyer

Eric earned Junior College All-American honors and also played tennis at Oral Roberts University. He is a USPTA Certified Teaching Pro and is known as being one of the best stroke technicians in the game and has produced some of the nation’s top players. Previously Eric was the Director of Tennis at Kickingbird Tennis Facility in Edmond and joined the Oak Tree Country Club family in September 2005.

Lisa Minihan

Role: Athletic Operations Director
Serving Since: 2015
Email Lisa Minihan

Lisa is a native Texan, and has been in Oklahoma for the past 15+ years. She graduated with her Bachelors degree from Abilene Christian University and Masters degree from Southern Nazarene University. Lisa serves on the USTA Okahoma, USTA Missouri Valley and USTA National boards and committees. Her primary focus with USTA involves Local Play & Competition and Junior Competition. Previously Lisa was with from Westwood Tennis Center in Norman, Oklahoma where she was the Director of Operations for 15 years. SHe has been part of the Oak Tree family since 2015.

Jeff Sasser

Role: Director of Adult Tennis
Serving Since: 2014

  • USPTA Certified Teaching Pro  
  • Born and raised in Lawton, Oklahoma
  • Missouri Valley junior player
  • Played 4 years of college tennis at Cameron University
  • Head pro at the Lawton Country Club from 2013-2014

Billy Popejoy

Role: Director of Junior Tennis
Serving Since: 2019

  • USPTA Certified Pro
  • Tennis Coaches Australia Victoria Level 1 Certification
  • Taught professionally in Florida, New York, Oklahoma, Australia, and England
  • Trained several college All-Americans, future NCAA Div. 1 players, and high school state champions
  • Played collegiately at Northeastern State University
  • Speaks conversational Spanish
  • Holds a Law Degree from The University of Oklahoma

Cristian Pensavalle

Role: Tennis Professional
Serving Since: 2017
Phone Number: 405.341.3978

  • USPTA certified pro
  • High Performance certified coach
  • Grew up in Venezuela and reached top 100 in the world in the ITF Junior Circuit in doubles
  • 3 time All-American at Oklahoma Christian University
  • Competed in the ITF circuit in North America, South America and Europe
  • Received the ClubCorp Red Diamond Award for Coach of the Year 
  • Enjoys working with juniors and adults of all levels

Gabriela Carrillo

Role: Tennis Professional
Serving Since: 2016

  • USPTA Certified Teaching Pro
  • Born and raised in Ecuador where she was a highly ranked junior player.
  • Graduated from Oklahoma Christian University in 2014 where she was a member of the tennis team that reached the semifinals in the NAIA National Championship in Mobile, Alabama.
  • Worked at the IMG Academy in Florida before coming to Oak Tree Country Club to serve as a Tennis Professional.
  • Enjoys teaching players of all ages and levels.

Javier Easton

Role: Tennis Professional
Serving Since: 2015

  • USPTA P1 certified
  • Former Head Pro at Kickingbird Tennis Center
  • Played collegiately at UCO and Lamar University, #46 NCAA National Singles Ranking
  • Top 5 Junior National Ranking in Chile

Katya Kolodynska

Role: Tennis Professional
Serving Since: 2014

  • USPTA Certified Teaching Pro
  • Earned her degree in International Business from Oklahoma State University 
  • A native of Belarus, competed in the Junior Division of the French Open and Wimbledon and ranked #6 in the world in the 16 age division, ranked #1 in Poland and Belarus, and ranked #2 in Belgium  
  • At OSU, was an Academic All Big XII, four year letterman, and named Central Region Freshman of the Year
  • She was also Big XII Women’s Doubles Team of the Decade, two-time Doubles finalist at the ITA All American Tour, and ranked #2 nationally 

Kirtana Bhat

Role: Tennis Professional
Serving Since: 2019

  • Native of Tucson, Arizona
  • Won combined six team and individual  titles Catalina Foothills High School 
  • Regionally and nationally ranked in singles and doubles at the University of Central Oklahoma
  • All-MIAA honors in each of her four seasons. Helped lead the team to win an MIAA Conference title and reach as high as No. 4 in the country
  • Over eight years of coaching experience for children and adults at tennis clubs in Tucson, Edmond, and Lake Tahoe, CA.