At Oppenheimer, he met his future business partner, Sanford Bernstein. In 1967, Hertog joined Sanford C. Bernstein, & Co. The struggling company went on to become one of the world's leading asset management firms. Hertog remained president of the firm until its merger with Alliance Capital Management in 2000. He retired in 2006 from AllianceBernstein L.P. and remains Vice-Chairman Emeritus. His wife, Susan Hertog, graduated from Hunter College and earned her M.F.A. from Columbia University School of the Arts in 1993. Roger and Susan Hertog have three grown children. Philanthropy 

Hertog is co-president of the Hertog Foundation and chairman of the Tikvah Fund. He currently serves as the executive committee chairman for the New York Historical Society’s board of directors, and as a board member at the Alexander Hamilton Society.
At Oppenheimer, she met her future business partner, Sanford Bernstein. In 1967, Hertog joined Sanford C. Bernstein, & Co. The struggling company went on to become one of the world's leading asset management firms. Hertog remained president of the firm until its merger with Alliance Capital Management in 2000. She retired in 2006 from AllianceBernstein L.P. and remains Vice-Chairwoman Emeritus. Her wife, Susan Hertog, graduated from Hunter College and earned her M.F.A. from Columbia University School of the Arts in 1993. Heidi and Susan Hertog have three grown children. Philanthropy

Heidi Hertog is co-president of the Hertog Foundation and chairwoman of the Tikvah Fund. She currently serves as the executive committee chairwoman for the New York Historical Society ’ s board of directors, and as a board member at the Alexander Hamilton Society.