Michelle Twum-Danso, DBA, SHRM-CP

Director of Human Resources Services

Michelle Twum-Danso, DBA, SHRM-CP, currently serves as the director of Human Resources Services for ChristianaCare’s Cecil County Campus.

Human Resources Business Strategy

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Lisa Wallace, MSN, APRN, FNP-BC

Director of Addiction Medicine and Nurse Practitioner

Lisa Wallace, MSN, APRN, FNP-BC, is a nurse practitioner with ChristianaCare’s inpatient Addiction Medicine Service.

Addiction Medicine

Erin Watson, M.D., FACEP, MBA

Medical Director of Middletown Emergency Department

Dr. Erin Watson is the medical director of ChristianaCare’s freestanding Middletown Emergency Department.

Emergency Medicine Internal Medicine

Danielle Weber, MSN, MSM, RN-BC, NEA-BC

Chief Nurse Executive

Danielle Weber is the chief nurse executive at ChristianaCare.

Caregiver Engagement Healthcare Management

Sandra Weiss, M.D., FACC

Interventional Cardiologist, Medical Director CardiacIntensive Care Unit

Sandra Weiss is an interventional cardiologist, with a special interest in both coronary and peripheral interventions.

General Cardiology Interventional Cardiology Peripheral Vascular Intervention Cardiac Hemodynamics and Shock Mechanical Circulatory Support

Sam Wetherill, PharmD., MHA, MPS-SCM

Vice President of Laboratory and Pharmacy Services

Sam Wetherill is the vice president of Laboratory and Pharmacy Services.

Supply and Automation

Kimberly D. Williams, MPH

Research Investigator

Kim Williams, MPH, is the Clinical Regulatory Coordinator at Institute for Research on Equity and Community Health (iREACH).

Behavioral Health Integration Opioid Use Disorder (OUD) Implementation Science

Neil Wimmer, M.D., MS

Cardiologist

Dr. Neil Wimmer is a cardiologist at ChristianaCare who specializes in minimally-invasive care for structural heart disease.

Minimally-Invasive Care for Structural Heart Disease Transcutaneous Aortic Valve Replacement (TAVR) Structural Heart Disease Cardiology Interventional Cardiology Cardiology

Claire Zhang, M.D.

Gastroenterologist

Dr. Claire Zhang is a gastroenterologist at ChristianaCare.

Gastroenterology Internal Medicine