Susan Post, DMin, MBA

Executive Director

Susan Post has served as Executive Director of Esperanza Health Center since 2005 and is responsible for overseeing all aspects of Esperanza’s daily operations. Susan’s health care management experience includes over 20 years in the area of health care administration, having served in key management positions within a major health system in New York City and with a local community hospital. Susan lives in the community served by Esperanza, and is familiar with the needs associated with the area’s predominantly Latino population. Susan earned her Doctor of Ministry in Urban Ministry and MA degrees from Westminster Theological Seminary, and holds a Masters in Business Administration from the University of Bridgeport. She currently serves on the Boards of CCHF, the Christian Counseling and Education Foundation (CCEF) and Ayuda Community Center.

Susan’s joy has been to live and worship in her Hunting Park neighborhood in North Philadelphia.

Bryan Hollinger, MD, MPH

Internal Medicine/Pediatrics Physician, Medical Director

Bryan Hollinger, MD, MPH is a board certified Internal Medicine/Pediatrics Physician and Medical Director at Esperanza Health Center. Dr. Hollinger completed medical school at the Pennsylvania State University College of Medicine in 1988. He received his Master of Public Health degree from the University of North Carolina at Chapel Hill, School of Global Public Health in 1994. He has worked at Esperanza Health Center since 1994. He enjoys enjoy biking, birding and camping with his family.

Dr. Hollinger sees patients at our Kensington and Hunting Park locations.


Erik Davis

Finance Director

Erik Davis joined Esperanza as Finance Director in September 2011. Prior to coming to Esperanza, he worked as a financial administrator at Westminster Seminary. He served as the treasurer of Esperanza’s board before joining the staff. He and his family worship at New Life Presbyterian Church in Glenside, where he has served as a deacon. Erik’s hobbies include gardening, landscaping, exercising, and following the Phillies.  A favorite Scripture passage is Philippians 2:1-11.

Leslie Book, LCSW

Director of Behavioral Health and Pastoral Care

Leslie (Les) Book, LCSW is a Licensed Clinical Social Worker and Director of Behavioral Health and Pastoral Care at Esperanza Health Center. Les served with her husband, Curtis, for 23 years in mission work in London, England; Gwanda, Zimbabwe; Managua, Nicaragua and Bogota, Colombia. Ms. Book studied at Messiah College and has a Masters of Art in Missions from Ashland Theological Seminary and a Masters of Social Work from the University of Kentucky. She believes that we only can receive deep heart healing through relationship with God through Christ and recognizing our “belovedness” in Christ. She enjoys her urban garden, designing and sewing clothing for her family, international cookery and reading.

Ms. Book works at the Kensington, Fifth Street and Hunting Park locations.

Andrea Daft, RN, BSN, CPN

Director of Nursing

Andrea Daft, RN, BSN, CPN received her BSN from the University of Virginia and later obtained her certification as a Pediatric Nurse.  She has served at Esperanza in the role of Head Nurse for 16 years. Andrea developed a love for the Hispanic people and culture while a Peace Corps Volunteer in Ecuador. She also came to know Jesus as her personal Lord and Savior in Ecuador. One of the many gratifying aspects of Andrea’s work at Esperanza is developing relationships with our gifted Medical Assistants and Nurses and seeing them grow both professionally and spiritually. Andrea also has a heart for people around the world to know of Jesus’ deep and abiding love for them and has participated in many international missions trips to South America and Africa.


Juan Perez

Operations Director

Karen Norris

Director of HIV & Social Services

Karen Norris is Director of HIV & Social Services at Esperanza Health Center. She has a Master of Science degree in Marriage and Family Therapy and has worked for over twenty five years in social services with children and families. Karen and her husband Dan, who is a Behavioral Health Psychologist at Esperanza, are both happy to live, worship, and work in the Esperanza neighborhood. Together, they have worked with and ministered to couples for years, believing that loving each other in Christ should include loving the persons in your own home as Christ has loved us. Free time for Karen includes gardening, reading, travel, friends, hospitality, being outdoors.

Rachel Kim, MA

Director of Community Health and Wellness

As Esperanza’s Director of Community Health and Wellness, Rachel oversees a wide range of community health and health education initiatives. She received her BA in Interdisciplinary Studies from Covenant College and later received her MA in Biblical Counseling from Westminster Theological Seminary. Rachel grew up in Mexico and has worked at Esperanza Health Center since 2009. With a background in community development and counseling, she enjoys building relationships with staff, patients and community members, walking together towards healing, hope, and wholeness found in Christ alone.

Sandra Lopez, RN

Head Nurse, Hunting Park

Sandra Lopez, RN is the Head Nurse at the Hunting Park site.  She holds a Master of Science in Criminology and a Masters degree in Education. She currently serves as the Outreach Minister for the First Church of the Nazarene, a multi-cultural church in the North Philadelphia area. Prior to coming to Esperanza, Ms. Lopez worked as a Community Health Nursing Supervisor with the Lee County Health Department of the Florida Department of Health, and later as a Registered Nurse Consultant for the Philadelphia Corporation for Aging. She has found a home in the ministry of Esperanza by combining her passion for evangelism and a holistic approach to healthcare.

Isabel Ou

Assistant Finance Director

Isabel received her BS from the Pennsylvania State University and later a MEng degree from Cornell University. She has been with Esperanza since Nov 2009. She grew up in southeastern China and then immigrated to Philadelphia with her family. She is very thankful to God for her chance to hear the gospel and to accept Jesus Christ as her personal savior in this new land. It has been both an honor and a privilege for her to be part of what God is doing through Esperanza. She enjoys God’s creation in nature, as well as learning about different cultures and peoples that God has brought to her

Robert Reich, PA-C, MPAS

Director of Care Management

Robert Reich, PA-C, MPAS is the Director of Care Management and is also a certified Physician Assistant at Esperanza Health Center. He received his MS in Physician Assistant Studies from Beaver College (now Arcadia University) in 2000. He has worked at Esperanza Health Center since 2000.

Ted Voboril

Development Director

Ted Voboril serves as Esperanza’s Development Director. He oversees all of Esperanza’s fundraising activities, grant writing, public relations, and the areas of marketing and communications. Ted holds an MBA with a certificate in Health Services Management and a B.A. from Duke University. His past experience includes positions in marketing and market research in the pharmaceutical and medical device industries. He is thankful for the opportunity as development director to serve with Esperanza’s dedicated staff and to advance Esperanza’s mission. He and his wife are members of Tenth Presbyterian Church in Philadelphia. He enjoys spending time with his wife and daughter, as well as running, cycling and playing his violin, especially bluegrass and folk fiddle music.