 Jacobs & Co., in 1986, he built a investment portfolio with investments in private equity, venture capital, and real estate.Investments included controlling interest in Memorex and Triangle Pacific Corp., a maker of cabinets and wood flooring.In December, 1987, he completed a $900 million acquisition of Telex Corp., which would be merged with Memorex to form, at the time, the world's second largest manufacturer of computer peripherals.