The Blue Lights Campaign was founded in 2014 by Dr. Marianne Ritchie, a practicing Gastroenterologist with Jefferson University Hospital. Her career spans three decades. She trained at Memorial Sloan Kettering Cancer Center, the world’s oldest and foremost all-cancer hospital. After time in New York, Dr. Ritchie returned home to practice at the Lankenau Hospital in Wynnewood and was later a faculty member at Temple University Hospital.

Dr. Ritchie was one of the first female gastroenterologists practicing in the Philadelphia area. She has been a leading advocate for over thirty years. Ritchie developed the PINK PLUS triple cancer screening program for women

In her spare time, Dr. Ritchie is the host of Your Radio Doctor, the Philadelphia region’s only medical radio program, which airs every Sunday at 10am EST. She is also featured as the Medical Contributor on Women to Watch Media®, a weekly talk show which highlights stories of women leaders from around the world.