GTLF Experts
The first GTLF Experts who are committed to GTLF and who will contribute and be present at most of the GTLF activities.
Only GTLF personel can ask advise to our experts.
Global Experts:
Johan Kjellsten; Global Tennis Expert & Director GTLF USA
Dr A. Cotorro: Global medical expert and working with Top Spanish players (Nadal)
Dr Erik J.T. Matser: Global expert Sportsneuropsychology
Magnus Norman: Global expert in coaching and players development
Sven Groeneveld (Coach Adidas Performance Team); Global coaching knowledge

Lieven Maesschalck (Initiator and owner of movetocure): Global medical Knowledge
Toshiaki Sakai: Expert Japan and University Tennis
Marian Vajda (Coach Djokovic): Global Coaching Knowledge
Marc Kalkman and Sven Groeneveld: Global expert wheelchair tennis
Alexander Zverev (Coach Mischa Zverev); Global Coaching Knowledge

David Edges: (Ex IMG and MD for Tennis Channel). Boardmember TLF USA: Global media and
Business knowledge. 
Koen Gonnissen: Global Sport & company expert, writer of “The Corporate athlete” and director of
Mentally Fit institute Netherlands
Luka Kutanjac: Tennis coach expert and scout.

Djamel Abed: Global IT tennis expert and founder of coretennis.net
Rob Spierings: Expert Education and Elite Sport, Sport Event Consultancy
Alexander Hagen: Global Tax & Financial expert.
Owner of Leisure & Tax, an independent tax and legal consultancy firm.
Jaco Burger: Global Physical expert
Ferdinand Redelijk: Global coaching and American university expert. GTLF USA.
Luca Appino: Global Tennis Expert & Global advisor GTLF
Gianluca Carbone
Thomas Hogstedt: Global coaching expertise and current coaching Maria Sharapova
Worked long time in China and personally coached Li Na
Galo Blanco: Global coaching expertise and current coaching Raonic
