Deborah Lang obtained her BSN from University of Maryland in 1974 and MSN from Notre Dame University at Maryland in 2013. She became a certified International Lactation Consultant in 1992. She has developed lactation consultant programs Howard County General Hospital, Johns Hopkins Hospital and Johns Hopkins Bayview Medical Center. Johns Hopkins and Howard County General through her work have become designated Baby Friendly hospitals. Along with developing these program she has mentored numerous physicians and nurses in lactation consulting. In addition, she served as liaison for IBCLC to the United Nations.