Breastcancer.org CEO and leadership

Marisa Weiss, M.D. is the founder, president, and guiding force behind Breastcancer.org, the world's most utilized online resource for medical and personal expert information on breast health and breast cancer — reaching 27 million people globally over the past 10 years. A breast cancer oncologist with more than 20 years of active practice in the Philadelphia region, Dr. Weiss is regarded as a visionary advocate for her innovative and steadfast approach to informing and empowering individuals to protect their breast health and overcome the challenges of breast cancer. Dr. Weiss currently practices at Lankenau Medical Center, part of the Main Line Health Hospitals of the Thomas Jefferson University Health System in the Philadelphia area, where she serves as director of breast radiation oncology and director of breast health outreach. She also served on the National Cancer Institute Director’s Consumer Liaison Group from 2000 to 2007. Dr. Weiss is the author of four critically acclaimed books on breast cancer and breast health, published by Random House: Living Beyond Breast Cancer and Living Well Beyond Breast Cancer, coauthored with her mother, Ellen Weiss (1998, 2010); Taking Care of Your “Girls:” A Breast Health Guide for Girls, Teens, and In-Betweens, coauthored with her daughter, Isabel Friedman (2008); and 7 Minutes!: How to Get the Most from Your Doctor Visit (2007).

Marisa Weiss, M.D. is the founder, president, and guiding force behind Breastcancer.org, the world's most utilized online resource for medical and personal expert information on breast health and breast cancer — reaching 27 million people globally over the past 10 years. A breast cancer oncologist with more than 20 years of active practice in the Philadelphia region, Dr. Weiss is regarded as a visionary advocate for her innovative and steadfast approach to informing and empowering individuals to protect their breast health and overcome the challenges of breast cancer. Dr. Weiss currently practices at Lankenau Medical Center, part of the Main Line Health Hospitals of the Thomas Jefferson University Health System in the Philadelphia area, where she serves as director of breast radiation oncology and director of breast health outreach. She also served on the National Cancer Institute Director’s Consumer Liaison Group from 2000 to 2007. Dr. Weiss is the author of four critically acclaimed books on breast cancer and breast health, published by Random House: Living Beyond Breast Cancer and Living Well Beyond Breast Cancer, coauthored with her mother, Ellen Weiss (1998, 2010); Taking Care of Your “Girls:” A Breast Health Guide for Girls, Teens, and In-Betweens, coauthored with her daughter, Isabel Friedman (2008); and 7 Minutes!: How to Get the Most from Your Doctor Visit (2007).