The combined firm will have 100 employees and be headed by F2 founder Doug Fritz. : Wealthtech consulting company F2 Strategy announced Tuesday the acquisition of fellow consulting provider Oakbrook Solutions and a majority investment from private equity firm Renovus Capital. F2 Strategy was founded in October 2017 in San Francisco by Doug and Liz Fritz, two former wealth management executives from major banks. Doug Fritz has 20 years of experience as senior vice president and chief technology officer at the private banking arms of Wells Fargo and First Republic.