Peter Amory Weinberg is an American businessman. He spent almost twenty years of his career at Goldman Sachs before co-founding Perella Weinberg Partners with merger specialist, Joseph Perella in 2006. The firm provides M&A advisory and alternative asset management services. Weinberg is its chief executive officer and founding partner.

Perella Weinberg Partners L.P. is an American global financial services firm focused on investment banking advisory services.