Catherine Abrams, MPH Program Coordinator As the SURGE Program Coordinator at HFP, Catherine helps to build systems that recognize substance use disorder (SUD)… Learn More Debra D’Alessandro, MPH Director of Public Health Training and Technical Assistance, Health Federation of Philadelphia Debra D’Alessandro has worked in a variety of capacities at Health Federation since 1994. Debra is responsible for… Learn More Caroline Drob Program Assistant Caroline comes to SURGE as an advocate for improving access to care. This stems from her background in bridging the gap… Learn More Kristin Walker, RN, MSN, ACRN Perinatal Public Health Program Coordinator Kristin Walker is a public health nurse, doula, and former Certified Nurse-Midwife. She has worked in various aspects… Learn More