Warburg Pincus

Warburg Pincus gives this account of its history on its website:

Warburg Pincus traces its roots to E.M. Warburg & Co., an investment banking and private investment counseling firm founded in 1939 by Eric M. Warburg. In 1966, the firm joined with Lionel I. Pincus & Co., a venture capital, investment and financial consulting firm. Having founded Warburg Pincus, Lionel Pincus and John Vogelstein, who joined in January 1967, brought a "professionalized approach" to venture capital and transformed a boutique investment management business into a private equity leader.[1]