George Herbert Walker IV or Chip Walker (born April 1969) is an American investment banker. He is the chairman and CEO of Neuberger Berman, one of the largest independent, employee-owned investment management firms. During Walker's tenure, the firm survived the implosion of its corporate parent, Lehman Brothers, was repurchased by the employees and has been amongst …

Philip Lehman (November 9, 1861 – March 21, 1947) was an American investment banker.. Biography. Philip Lehman was born in New York City to Emanuel Lehman (1827–1907) and Pauline Sondheim (1843–1871). Emanuel was a co-founder of the now-defunct investment bank, Lehman Brothers.Philip became a partner in the family-owned firm in 1887 and was the firm's …