Marcin Bieniek is a professional tennis coach and founder of instructional website http://tennisisland.us. He is also an author of tennis blog http://enjoytennisblog.wordpress.com. Marcin has been working with USTA, top 100 ITF and WTA/ATP players. Currently he is working with a top 200 ITF female junior. He is a frequent contributor to TennisPro and TenisKlub magazines and he was a speaker at International Coaching Tennis Symposium 2016 at Hilton Head Island, USA.