New York-listed lottery provider 500.com has confirmed the departure of its chief operating officer Lei Zheng with immediate effect.
The company said that Zheng has resigned as COO of the company due to personal reasons.
Prior to joining 500.com he also worked at Shenzhen Youshou Digital, Tencent, and Huawei Technologies.
"I would like to thank Lei for his invaluable service and contribution to the company," said 500.com chairman of the board Yonghong Zhang.
The company has no plan to appoint a successor at this point in time.
Shares in 500.com Limited (NSQ:WBAI) closed up 2.04 per cent at HK$19.49 per share in New York Friday.