Group M confirmed Mok's appointment. Her last day at Starcom was Monday 13 June.
At Starcom, Mok was in charge of the agency's P&G business. In her new role, she will work on Mindshare's HSBC account.
Reported in March, Doris Kuok, who used to lead the HSBC account in her role as client leadership at Mindshare Hong Kong, joined Starcom Hong Kong as its regional director leading the Richemont and UBS accounts, and GM of its Hong Kong operation.
There is no announcement for Mok’s replacement at Starcom yet.