Board of Directors

Rodney Harmon • President
Rodney has been Head Women’s Tennis Coach at Georgia Tech since July 2012. He has more than 25 years in player development. Prior to leading the Yellow Jackets, Rodney had been the Director of Tennis at Deerwood Country Club and Head Men’s Tennis Coach for the University of Miami. He left the Hurricanes to join the USTA High Performance, where he advanced to Director of Men’s Tennis, and coached future pros including Todd Martin, MaliVai Washington and Alex O'Brien. During his tenure at the USTA, Rodney served as the Head Coach of the US Men's Tennis Team at the 2008 Olympic Games in Beijing, China. He was also Director of Multicultural Development for USTA Community Tennis, and was responsible to develop strategies and implement initiatives to increase diversity in tennis. A former pro player, Rodney became the only African-American man besides Arthur Ashe to reach the quarterfinals at the US Open (1982). As Head Men’s Tennis Coach for the University of Miami, Rodney was named the Big East Men's Tennis Coach of the Year in 1996 and 1997, was named PTR Professional of the Year in 1988, and PTR Coach of the Year in 1994. A graduate of Southern Methodist University, Rodney is in the ITA Hall of Fame.
Jack Waite • Secretary
Jack is a native of Wisconsin and a graduate in Industrial Engineering from the University of Wisconsin. After earning Big Ten Player of the year honors in 1991, he embarked on a 10-year professional tennis career where he reached a career high ATP world doubles ranking of #44. He accumulated doubles wins over Roger Federer, Boris Becker, Patrick Rafter, Michael Chang, Goran Ivanisevic, Thomas Muster, and the Bryan Brothers among others, as well as a singles win over Tim Henman. He won ATP Tour Event Doubles Titles in Palermo, Italy (1994), Auckland, New Zealand (1996), and Marbella, Spain (1996). After retiring from the pro tour, Jack helped found Le Petit Tennis, a company that specializes in teaching tennis to young children around the world. He has worked as a Tennis Professional at Woodfield Country Club in Boca Raton, Florida and as Tennis Director at the Oconomowoc Lake Club in Wisconsin. As the former Director of Development for PTR, a company that trains and certifies teaching pros, Jack oversaw the certification program for the US and Canada. Currently, he serves as Director of Racquet Sports at Burning Tree Country Club in Greenwich, CT where he oversees the tennis and platform tennis programs. He holds the PTR Tester rating, the United States Professional Tennis Association P1 rating, the Professional Platform Tennis Association P1 rating, and has completed training in Cardio Tennis and USTA High Performance. In 2009, he was named the Connecticut PTR Member of the Year. His volunteer service includes roles as a representative on the ATP Player Council (2000-2002), the USOC Athletes Advisory Committee (2002-2004), the USTA Nominating Committee (2005-2008), Chairman of the USTA Pro Circuit Committee (2009-2014) and member (2015-present), as well as Chairman of the PTR Education Committee (2016-17).
Leo Alonso • Director-at-Large
Leo has been a member of PTR for 30 years, and has served as the Official Representative for PTR in Argentina since 1995. A PTR International Master Professional, Leo is the coach and manager of Leonardo Mayer and Carlos Berlocq (Top 50 ATP players). He is also is the owner and founder of T.S. Management, a club management company currently responsible for 102 tennis courts and 30 teaching professionals. A presenter at many of the sport’s most prominent conferences and symposia, Leo has been a featured speaker at the USTA Tennis Teachers Conference, PTR International Tennis Symposium and ITF Regional Coaches Conference. He has conducted more than 200 workshops for tennis teaching professionals in China, England, Italy, Spain, and all Latin American countries. Leo has received several PTR awards, including Professional of the Year, Touring Coach of the Year, Clinician of the Year, Tester of the Year, and Pro of the Year for PTR Argentina.
Delaine Mast • Director-at-Large
Delaine Mast, Lancaster, Pennsylvania, has been National Director of WTT Community Tennis and inner city high school boys' and girls' tennis coach since 1986. Mast has become a household name within the tennis community and embodies the slogan "growing the game”. She is the Executive Director of Tennis Central, an NJTL chapter that combines tennis and learning to change lives and serves more than 2,000 Lancaster youth. Mast served as President of USTA Middle States, and was later appointed as USTA National Chair of the USA Tennis 1-2-3 Committee. In 2010, she was elected to the USTA Board of Directors and was the Vice Chair of the Strategic Planning and Creative Opportunities Committee. Mast was inducted into the USTA Middle States Tennis Hall of Fame, received the USTA Eve Kraft Community Service Award. A PTR member for 25-plus years, Mast is prior Chair of PTR Women’s Committee, who in 2017, received the International Tennis Hall of Fame Educational Merit Award and Tennis Industry Magazine’s Grassroots Tennis Champion of the Year.
Karl Hale • Presidential Appointee
Hale has an accomplished tennis history. He played competitive tennis internationally, participated as a player and coach in Davis Cup for Jamaica and is a former Fed Cup Coach for Canada. In 2007, Karl was World #1 player over 40, in 2006, he was named PTR Pro of the Year. He is the Rogers Cup Toronto Tournament Director which is the largest one week tournament in the world with past champions Rafael Nadal, Roger Federer, Novak Djokovic, Serena Williams, Chris Evert. Karl is also the Head Tennis Professional at Donalda Club in Toronto, Canada. Along with his duties at the Rogers Cup and Donalda Club, Karl founded the Daniel Nestor Charity Event which has raised over $1,000,000 for North York General Hospital and Tennis Canada Go for Gold Fund. He also founded the Helping Hands Jamaica Foundation which has raised over $500,000 for education in his native Jamaica along with building 5 new schools.
Roy Barth • Immediate Past President
Roy has an outstanding tennis background as a player, teaching professional and administrator. He won numerous national titles as a junior out of San Diego, California. As a two time All-American, he reached the doubles semi-finals and finals of the NCAA Championship. He earned a BA in Economics from UCLA. Roy was ranked as high as #8 in Singles and #2 in Doubles in the US, and on the pro tour, reached the Top 50 in the world in Singles. In 1976, he settled in Charleston, South Carolina, as Director of Tennis Emeritus at Kiawah Island Golf Resort. Currently he manages two tennis centers with 24 courts at Kiawah. Kiawah’s tennis operation has been ranked #1 in the Top 50 US Tennis Resorts by Tennis magazine, and #1 in the world seven times by Tennis Resorts online seven times. Roy was a founding member of the ATP, as well as President of the USTA South Carolina and South Carolina Tennis Patrons Foundation. He has been inducted into the San Diego, South Carolina, and Southern Tennis Halls of Fame. Roy was Chair of the USTA Davis Cup Committee for four years (2009-12), and is the Vice Chair of the Davis Cup on the Davis-Fed Cup-Olympic-Paralympic Committee (2013-14). In 2007, his family was named USTA Family of Year. A PTR International Master Professional, Roy has been a PTR member for more than 25 years, and was named as the Professional of the Year in 1990. Roy is a Premier Member of the Wilson Team Advisory Staff.
Lucy Garvin • Vice President
Lucy Garvin is a Past President of the USTA, USTA Southern and USTA South Carolina. Garvin had many accomplishments as USTA President from 2009-10, but the one that stands out was her establishment of the Strategic Vision Committee to develop a long range plan for the USTA Billie Jean King National Tennis Center, including a roof for Arthur Ashe Stadium which is now a reality. Garvin went on to serve two terms on the ITF Board of Directors. In her second run for office, Garvin became the first female ever to finish at the top of the balloting. For her distinguished service, Garvin was unanimously elected as an ITF Honorary Life Counselor. Garvin currently serves on the ITF Rewards and Recognition panel.
Oivind Sorvald • Treasurer
A PTR member since 1980, Oivind has been a PTR Tester since 1992. Currently, he is the Director of High Performance and Coach Education for the Norwegian Tennis Association (NTF), where he has conducted coach education courses for more than 20 years. Recently, Oivind established the TEN4 Academy in Oslo for the 25 best performance players in Norway. He created and organizes the annual PTR/Tennis Norway Symposium. Oivind also hosts PTR Certification workshops. He is a member of the Tennis Europe Development Committee. Earlier in his career, Oivind served as Director of Tennis for Van der Meer. He also had stints as the Tennis Director at the Oslo Tennis Club in Norway, followed by the Director of Tennis position at the National Tennis Center in Oslo. Level 3 educated, Oivind has coached tennis players for more than 30 years, and has 25 years experience of using video analysis. Oivind is on the ITF’s Intro to Tennis Taskforce. This committee has been instrumental in the 10 and Under initiative, Play and Stay, and the recent Tennis Xpress program. He represents Norway at the ITF AGM and other industry events. Over the past decade, Oivind has developed a program and a method for analyzing technical and tactical factors in the game. He has worked as analyzer for several world class coaches for a couple of Top 10 world ranked female players. In the past five years has developed and implemented a new framework for coach education in Norwegian tennis. PTR members may recognize Oivind from the 2011 DVD Effective Feeding Techniques.
Ken DeHart • Director-at-Large
Ken DeHart, San Jose, California, is a Charter Member and former Executive Director of the organization. He is PTR International Master Professional and Clinician. DeHart was named PTR Professional of the Year twice. Currently, he is Director of Player Development at Alameda Valley Athletic Club. DeHart co-wrote the International Book of Drills with Dennis Van der Meer, has had numerous articles published in tennis magazines, and produces seven coaching DVDs. A coach and a player, DeHart has earned gold medals in the South Bay Senior Games and the Huntsman World Senior Tennis Games.
Mary Pierce • Director-at-Large
Mary is a four-time Grand Slam Singles and Doubles Champion, having won Singles titles at Roland Garros and the Australian Open. In 1997 and 2003, Mary helped lead France to its first two Fed Cup titles. Pierce reached a WTA career high of #3 in the world in 2000. In 2013, she was a featured speaker at the ITF Worldwide Coaches Workshop in Cancun, Mexico. Pierce has been invited to be the opening speaker at the 2016 PTR International Symposium. Pierce now works as a touring pro coach. She earned her WTA Pro Course Certification in 2012, and currently holds three PTR Certifications: Performance, 11 to 17 and Adult Development.
Stefan Tzvetkov • Presidential Appointee
Stefan Tzvetkov serves on the ITF Board of Directors and is Vice President of Tennis Europe. Stefan was recently named as an Honorary Life Counselor for his service to the Tennis Europe Board. He is also President of the Bulgarian Tennis Federation and Vice President of the Bulgarian Olympic Committee. PTR certified since 1996, Tzvetkov played college tennis for the University of Minnesota. He was also a Davis Cup player and Captain for Bulgaria, and played on the ATP Tour.
Dennis Van der Meer • Founder/President Emeritus
Legendary coach and teacher of teachers, Dennis is the founder and president of the Van der Meer TennisUniversity. Known worldwide for his innovative teaching techniques, he has received numerous awards for teaching and coaching, including being named Olympic Developmental Coach of the Year in 1997. He has been inducted into many Halls of Fame, and was awarded an honorary doctorate from the University of Greenwich, England. Dennis became one of the first registered coaches of both the ATP and WTA, and has coached hundreds of nationally and internationally ranked professional and junior players throughout his career, including World Champions in Singles and Doubles. In 1973, he was Billie Jean King’s and Margaret Court’s coach for the landmark Battle of the Sexes. A believer in the concept of tennis for everyone, he developed courses and manuals for teaching wheelchair tennis and adaptive techniques. Dennis has always had an uncanny knack for finding the best, most efficient way to help players reach their maximum potential, a trait he has imparted to his staff coaches.