Johnson is the president and founder (along with Vicki Martin, his wife) of Johnson Martin Advisors, Inc., an investment management firm servicing high net worth clients. Before starting the firm in 1992, Johnson held various corporate positions in finance including vice-president of finance of KB Home (NYSE) in Los Angeles, managing director and CFO of The O’Connor Group in New York City (a real estate investment partnership), and senior vice president and CFO of Santa Fe International Corporation (a Los Angeles-based diversified energy company). Johnson received a bachelor's degree from Princeton University in 1972 and an MBA from The University of Chicago in 1976 where he was honored with The Wall Street Journal Award for Excellence in Finance. He currently serves on the board of directors of the UCLA Investment Company.