Current and Past Cogan Society Members

Daniel M. Albert, MD, MS

Mohammad Javed Ali, MD

Jennifer Arch, PhD

Barbara Arnold, MD

George B. Bartley, MD

J. Bronwyn Bateman, MD

Jenny E. Benjamin, MA

M. Tariq Bhatti, MD

Donald L. Blanchard, MD

Christopher F. Blodi, MD

George M. Bohigian, MD

John D. Bullock, MD

Pamela Chavis, MD

Du Cheng, MD

Rupert Congman, MS, MPH 

William W. Culbertson IV, MD

Mary Daly, MD

Paulus T.V.M. de Jong, MD, PhD 

Edward De Sutter, MD, PhD

Leah (Greenfield) Doro, MD

Ira Eliasoph, MD

Robert Enzenauer, MD

Robert M. Feibel, MD

Gerald A. Fishman, MD

Charles D. Fritch, MD

Alice (Wendy) Gasch, MD

John W. Gittinger, Jr. MD

Balder Gloor, MD

Frank Goes, MD

Sophie Gorup 

Alison Hong, MD

Erich Horn, MD

Michael O. Hughes

Benjamin G. Jastrzembski, MD

Jace (Jason) J. Jo, AB

Hadi Joud, MD

Zeynel A. Karcioglu, MD

Danny H.- Kauffmann Jokl, MD

Richard Keeler

Linda Lawrence, MD

John C. Lee, MD

Christopher Leffler, MD

Charles E. Letocha, MD

Trevor Lin

Ian M. MacDonald, MSc, MD, CM

Robert K. Maloney, MD

Mark J. Mannis, MD

Bita Manzouri, MD

Curtis Margo, MD

Michael F. Marmor, MD

Evan Mason, BBA

Norman B. Medow, MD

Frances Meier-Gibbons, MD

Natalia Morales, MD

Sayoko Moroi, MD, PhD

Steven A. Newman, MD

Mildred M.G. Olivier, MD

Sadie Pichelmann

Aba Quainoo

V.K. Raju, MD

James G. Ravin, MD

Tracy Ravin, MD

David Reifler, MD

Mariam Samuel, MD

Joseph W. Sassani, MD

Mary Claire Schleck

Stephen G. Schwartz, MD

Pamela C. Sieving, MA, MS

Bruce E. Spivey, MD

Eric Wan, MD

Charles “Pat” Wilkinson, MD

Christine Xu, MD

Nina Yang

Deceased former members:

Melvin Alper MD (2013)

Amalric, Pierre (1999)

David J. Apple MD (2011)

Frederick Blodi MD (1996)

David G. Cogan MD (1993)

Robert C. Drews, MD (2017)

Jay M. Enoch, OD, PhD (2025)

Andrew Ferry MD (2018)

Ronald S. Fishman, MD (2022)

John T. Flynn MD (2019)

Albert Franceschetti, MD (2022)

Jay M. Galst, MD (2020)

William B. Glew MD (2019)

David G. Harper, MD (2023)

Robert F. Heitz, MD, PhD (2021)

Robert S. Jampel, MD (2020)

Arthur H. Keeney MD (1996)

Gordon K. Klintworth MD (2014)

David L. Knox, MD (2022)

Donelson R. Manley, MD (2019)

Harry Mark, MD (2021)

Marilyn T. Miller, MD (2021)

J. Fraser Muirhead, MD (2025)

Sean B. Murphy, MD (2017)

Frank W. Newell MD (1998)

Arnall Patz (2010)

George O.D. Rosenwasser, MD (2021)

Ivan S. Schwab, MD (2025)

William H. Spencer MD (2017)

William S. Tasman, MD (2017)

Herbert Stanley Thompson, MD (2023)

Stanley Truhlsen, MD (2021)

Robert B. Welch, MD (2021)

Lorenz Zimmerman, MD (2013)

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Page last updated October 21, 2026