In October 2020, it was reported that Tosi's firm was in the final stages of raising a $750 million fund and had received about $1.2 billion of investor interest to date.

[1] Prior to dedicating his time to WestCap, Tosi served as the chief financial officer of Airbnb and of The Blackstone Group and held several roles at BofA Merrill Lynch.

[4] After law school, Tosi practiced litigation and corporate law at Donovan, Leisure, Newton & Irvine; and then went to work for General Electric as the director of business development for GE's CNBC and NBC divisions.

[4][5] He then worked for Merrill Lynch as chief operating officer of their trading and investment banking division.

Apple had a large amount of cash reserves, and felt that Tosi would bring acquisition experience.