BA (Mathematics and History), 1981. and MBA (Finance)from University of Wisconsin/Madison, 1984; JD from Cardozo School of Law, 1994. Worked at Bear Stearns, Piper Jaffray, and Hopwood, and Bankers Trust. President of KahnTest in Manhattan . Taught at The Trinity School and The Anglo-American International School. Director of Summer Mathematics Program and Della Pietra Applied Mathematics Program at Stony Brook. Visiting Assistant Professor in the Institute for STEM Education at Stony Brook, Lecturer in Mathematics and in Business.

Research: Quantitative Literacy, Finance.

Teaching: Precalculus and Calculus, Statistics, Personal Finance, Quantitative Literacy.