Dr. Jennifer Casher Lehman is the Associate Chief of Breast Services at Mount Sinai West and Mount Sinai St. Luke's. She is also an Assistant Professor of Surgery at the Icahn School of Medicine at Mount Sinai. Dr. Lehman is a double board certified breast oncologic surgeon, specializing in benign and malignant breast disease, preventative surgery/BRCA, and oncoplastic approaches to breast surgery. Having completed specialized fellowship training in breast surgery, she has treated thousands of women - and men - with benign and malignant diseases of the breast and an increased risk for breast cancer.