Physician Child

Max McGee National Research Center

Meet Our Team


Martin J. Hessner, PhD

Professor, Pediatrics (Endocrinology) and Microbiology and Immunology; Director, Max McGee Research Center for Juvenile Diabetes

(414) 456-4496


Susanne M. Cabrera, MD

Assistant Professor, Pediatrics (Endocrinology)

(414) 266-6750


Yi-Guang Chen, PhD

Associate Professor, Pediatrics (Endocrinology) and Microbiology and Immunology

(414) 955-7583


Patricia A. Donohoue, MD

Professor & Section Chief, Pediatrics (Endocrinology); Program Director, Endocrine and Diabetes, Children’s Hospital of Wisconsin

(414) 266-6750


Brian R. Hoffmann, PhD

Assistant Professor, Biomedical Engineering and Physiology

(414) 955-7648


Rosanna Fiallo-Scharer, MD

Associate Professor, Pediatrics (Endocrinology); Program Director, Diabetes, Children's Hospital of Wisconsin

(414) 266-6750


Clare Bingham-Tyson | Clinical Research Coordinator

Rhonda Geoffrey | Research Technologist

Stephanie Harleston | Research Technologist

Shuang Jia | Biostatistician

Mary Kaldunski | Laboratory Manager

Joanna Kramer | Clinical Research Coordinator

Kevin Mueller | Research Technologist

Mark Roethle | Research Associate

Fellows, Residents, Graduate and Medical Students

Ashley Ciecko | Graduate Student

Alison Coren, MD | Research Fellow

Samuel Engle, DO | Research Fellow

Bardees Foda | Postdoctoral Fellow