donald dell, founder of proserv.rlie, thank you. >> rose: pleasure to have you here. >> thank you for joining us. see you next time. captioning sponsored by rose communications captioned by media access group at wgbh access.wgbh.org

. >> donald dell is here.trepreur, a pione in the business of sports managent, a lawr, and a fmer tennis player for five decades he has represted some of srts's most recognizabl figures including arth josh, jimmy nners and michael rdan, at the beginning oopen air tennis he was instrumental in et krooing th modern professional game. he writes about thatnd othe experiences in ver make the first offer, september whenou should. i'm pleased to have donald dell, a friend of long-standing at this tae for the firsttime. welcome. >>hank you, charlie. grt to be here. rose: before i go to this let's talk a bit of ten i -- teis which has en your life in part along with a loof other causes. the u.s. open, we a taping this onfriday. and tomorrow is men's semi-finals, we hope what does it look li? >> well, if they don play the nadal match tonight that was unfinished last night, they can't finish the tournament until mony. because they arenly in the quarterfinals of the men in that one particur match. >> rose: one quarterfina