The chairman of McGuireWoods’ fintech practice in San Francisco has left the firm to take the reins of the legal department at PayActiv Inc. as the fintech company’s first top lawyer. 

The Silicon Valley-based startup announced David Reidy’s hiring as chief legal officer on Wednesday. He now oversees all legal, compliance and legislative issues for the company, which has plans for international expansion and is facing a racial discrimination lawsuit from one of its former managers.