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Medicine

Medical College of Wisconsin Department of Medicine Administration

Office of the Chair

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Kevin R. Regner, MD, MS, FASN

Interim Chair, Professor

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Angela DeMent

Interim Unit Executive Administrator; Associate Administrator, Operations

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Ryan Lamp

Interim Unit Executive Administrator; Unit Finance Director

Vice Chairs

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Kathryn Flynn, PhD

Professor, Vice Chair for Research

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Octavian Ioachimescu, MD, PhD, MBA

Vice Chair for Clinical Research & Data Analytics, Associate Director of Training and Education, Professor

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David S. Marks, MD, MBA

Professor of Medicine and Radiology, Vice Chair for Clinical Affairs, Froedtert Hospital Senior Medical Director - Inpatient

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Joshua A. Meskin, MD, FACC

Associate Professor; Vice Chair for Ambulatory Operations

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Martin Muntz, MD, FACP

Associate Dean, Vice Chair for Faculty Development, Professor

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Sarah Nickoloff, MD

Associate Professor, Acting Vice Chair for Veteran Affairs

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Daniel J. Stein, MD

Director, Vice Chair for Education, Associate Professor

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J. Njeri Wainaina, MD, FACP, FHM, FIDSA

Vice Chair for Quality, Associate Professor

Division Administrators

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Melissa Bemus, MEd

Division Administrator

Endocrinology and Molecular Medicine; Rheumatology

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Tim Boyle

Division Administrator

General Internal Medicine

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Kristi Castello

Division Administrator

Hematology and Oncology

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Brenda Lund

Division Administrator

Pulmonary, Critical Care and Sleep Medicine

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Jenny Oium

Division Administrator

Gastroenterology and Hepatology; Geriatric and Palliative Medicine

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Jason Ruenger

Division Administrator

Cardiovascular Medicine

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Jennifer Tyrrell

Division Administrator III

Infectious Diseases; Nephrology

Contact Us

Department of Medicine
Medical College of Wisconsin
Hub for Collaborative Medicine
8th Floor
8701 Watertown Plank Rd.
Milwaukee, WI 53226

(414) 955-0518
DOMAdmin@mcw.edu

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