Alesia Haas, the chief financial officer of Och-Ziff Capital Management, will join Coinbase as CFO immediately. : Cryptocurrency wallet and exchange firm Coinbase has hired a Wall Street executive as its finance chief. The company said in a blog post on Tuesday that Alesia Haas, the chief financial officer of publicly traded hedge fund Och-Ziff Capital Management, will join it as chief financial officer (CFO) immediately. Haas will help Oz Management with the transition until June 1. Coinbase CEO Brian Armstrong said in a statement that Haas "brings deep financial services experience to our growing company."