Peter Buttenweiser was a key figure in left-of-center politics who, using his connections to the wealthy elite of New York City, raised and contributed millions of dollars to Democratic and independent candidates through the Peter L Buttenweiser & Associates. The organization was listed as a healthcare and services company and had just one employee. He was the son of the late Benjamin Buttenweiser, a prominent New York City banker and Jewish community leader. Peter Buttenweiser passed away in February 2018.