GSMA Announces Senior Leadership Changes Across Events and Industry Services Portfolio (opens in new tab)

John Hoffman transitions to Chair of GSMA Ltd; Sianne Ryder appointed CEO of Events and Industry Services; Bob Puglielli named COO of Events 5 May 2026, London: The GSMA today announces a series of leadership appointments across GSMA Ltd, effective 1st July 2026, as part of the organisation’s ongoing succession and talent planning. After two decades at GSMA, John Hoffman will transition into the […] The post GSMA Announces Senior Leadership Changes Across Events and Industry Services Portfoli...