19, 2016 7:30 a.m. ET Tikhon Bernstam sold his startup Parse to Facebook in 2013. Now hes an active angel investor, investing in about 100 companies. Mr. Bernstam invested $25,000 of his own money in the seed round of Cruise Automation Inc. and later ponied up about $100,000 through an investor group that he led through the angel-matching site AngelList. In March, Cruise agreed to be acquired by General Motors Co.