ATP Appoints Massimo Calvelli As Chief Executive Officer (December 11, 2019) LONDON — The ATP has announced the appointment of Massimo Calvelli as the ATP Chief Executive Officer, beginning 1 January 2020. Calvelli brings a wide range of tennis and executive experience to the position and was the unanimous choice of the ATP Board of Directors. The 45-year-old Italian has … [Read more...] about ATP Appoints Massimo Calvelli As Chief Executive Officer