Telephone: 407.928.6666

Tennis Coaching Staff

 IMG_0074Mandy Grunfeld Rosenfield

Director of Tennis

Mandy Rosenfield is a former professional and leading British tennis player. She was ranked as high as No.3 in Great Britain and in the low 100’s in the world. She played for her country in the Federation Cup, Wightman Cup and competed at Grand Slams around the world, including playing against the legendary Martina Navratilova and Lori McNeil at Wimbledon. She competed in all the grand slams and was known as one of the fittest and toughest tennis players of her era. When injury curtailed her playing career she earned a place at Manchester University studying for three years and received a First Class Honors degree in Physical Therapy. She has a tremendous amount of experiences in the physiology, stresses, and strains of tennis. She has a wealth of experience to offer and passes these experiences on to young tennis players. She is the Director of The Tennis Academy at Windermere Prep School and a partner in The Tennis Team consultancy. She lives in Orlando with her husband and three daughters, her eldest daughter Hannah (15) is a promising player herself and is training in the Elite training program.


IMG_0076Howard Jones

Director of International Performance Tennis

Howard is originally from Great Britain and has over 25 years’ experience in the tennis coaching business. He has personally developed numerous players from 10 &up; and all level upwards, many of whom have won junior titles at national and international level. Some of these players have gone on to achieve rankings and win titles on the ATP/WTA tours and others have obtained scholarships with NCAA Division 1 teams.

Howard has worked as a traveling coach for Great Britain junior teams to various tournaments including ITFs and Tennis Europe events and has also held the role of Director of Performance at the National Training Centre in the UK. He is a PTR Certified Professional, LTA Master Professional United Kingdom and has won the Performance Coaches Award.Howard vast experience of college tennis is a huge asset for our Academy.


IMG_0075Fernando Valdajos

Head Academy Coach and Director of Elite  Tennis USA

Fernando is a Former ATP and WTA Tour Coach with a tremendous experience of coaching players of all levels. He worked more than 20 years, coaching ATP and WTA players and has also coached 2 Top-50 ATP players and 5 Top-100 players including 2012 French Open Finalist and 2012 US Open Doubles Champion Sara Errani. He is a PTR Professional and a National Trainer (Spanish Federation) and has been a Full Time coach on the ATP and WTA tours for 8 years.Fernando has worked with Sara Errani (Italy) : Nª 5 WTA. Maria Antonia Sanchez Lorenzo (Spain): Nª33 WTA.Arantxa Parra (Spain): N 46 WTA and Dudi Sella No29 ATPHe is a former Director at JMO Tennis Academy and is fluent in Spanish and French. Fernando is married with a wife and son having relocated from Spain.


Alison Noll

Academy Coach

Alison Noll is a former junior Middle States, high school, junior college, and college player. She is a college graduate from Rider University, where she played 1st singles and 1st doubles for two years. Prior to Rider University, Alison played 1st singles and 1st doubles at Mercer County Community College. At Mercer, she was a two time first singles National Champion and was named first team All American for two years. Growing up, Alison competed in many sectional and national tournaments. In 2016, she received her USPTA professional rating certification and has much experience with the 10 & Under tennis. To this day, Alison still plays and competes on a competitive level.



Joaquin Marshall

Academy Coach

Joaquin’s skills are extremely technical and unique when it comes to the holistic viewpoint of player development. He engages constantly with the players to improve their game in all aspects and is always motivating them. He started his coaching career in Camp Walt Whitman working for well recognized USPTA Master Professional Dave Porter who has more wins in college tennis than any other coach in any sports in the nation with a total of 1,328 wins and 12 national championships. Joaquin spent 3 summers working for Coach Porter and describes him as his biggest influence in tennis.  Joaquin has vast experience coaching from little kids, to prospective juniors, college players and adults.


Micah Kurtz

Academy Strength and Conditioning Coach

Micah Kurtz is the Assistant Athletics Director/ Director of Strength, Conditioning & Athletic Development at Windermere Preparatory School.  Prior to Windermere Prep, Coach Kurtz worked at the University of South Carolina and AC Flora. During Kurtz’ time at AC Flora he directly worked with the school’s tennis team that won four straight region championships, 2 upper state championships and 1 state championship.  While at the University of South Carolina he worked with the women’s tennis team that made the NCAA tournament in 2007-2008.Coach Kurtz has consulted with the NFL, USA Basketball, USA Football and Nike Football on youth athletic development education.


David Pace

Assistant Coach&Administration

David has joined us during the summer and we are thrilled to have him on board. David has instructed tennis at Ocoee Tennis Academy and was a Varsity Tennis player before he entered the business world. He has been YMCA’s Youth in Government program and has been very involved with the Boy’s Scouts of America. David will also be assisting with management duties.