Jeffrey Williams Ubben (born 1961/1962) is an American businessman. He is the co-founder and chairman of ValueAct Capital, a hedge fund based in San Francisco, California. Ubben is an activist board member of Exxon Mobil.
Jeffrey Williams Ubben (born 1961/1962) is an American businessman. He is the co-founder and chairman of ValueAct Capital, a hedge fund based in San Francisco, California. Ubben is an activist board member of Exxon Mobil. (en)
Jeffrey Williams Ubben (born 1961/1962) is an American businessman. He is the co-founder and chairman of ValueAct Capital, a hedge fund based in San Francisco, California. Ubben is an activist board member of Exxon Mobil. (en)