Meet Our Team
Department Chair

Ian B. K. Martin, MD, MBA, FACEP, FAAEM
Professor with Tenure and System Chairman; Co-Director, Health Executive Administrative Leadership (HEAL) Fellowship; Emergency Physician-in-Chief; Past-President Society for Academic Emergency Medicine
Vice-Chairs

Alisa Hayes, MD, MSAM
Associate Professor; Vice Chair for Education and Training

Ronny Otero, MD, MHSA, FAAEM, FACEP
Professor; Vice-Chair Clinical Operations, Froedtert Hospital Emergency Department; Director, Health Executive Administrative Leadership (HEAL) Fellowship

Aasim I. Padela, MD, MSc, FACEP
Professor and Vice Chair for Research and Scholarship

Mary Beth Phelan, MD, RDMS
Professor; Vice Chair for Faculty Development and Advancement; Division Chief, Ultrasound; Director, Emergency Ultrasonography Fellowship Program
Chiefs

M. Riccardo Colella, DO, MPH, FACEP
Professor; Division Chief, EMS Medicine; State of WI EMS Medical & Trauma Director; Director, EMS Fellowship Program

Mark Kostic, MD, FAACT, FACMT, FAAEM
Professor; Director, Medical Toxicology Fellowship Program; Chief of Emergency Services, Zablocki VAMC Milwaukee

Daniel Mielnicki, MD
Assistant Professor; Division Chief, Community Hospital Division Emergency Departments

Ashley Pavlic, MD, MA
Assistant Professor; Co-Chief, Division of Global and Population Health; Course Co-Director, Population Health in the ED, Fourth Year Medical Student Elective; Course Co-Director, Continuing Professional Development; Faculty Co-Lead, GME Global Health Scholars

Mary Beth Phelan, MD, RDMS
Professor; Vice Chair for Faculty Development and Advancement; Division Chief, Ultrasound; Director, Emergency Ultrasonography Fellowship Program

Jonathan Rubin, MD
Professor; Division Chief, System Informatics and Analytics

Taylor Sonnenberg, MD, MSGH
Assistant Professor; Co-Chief, Division of Global and Population Health; Course Co-Director, Population Health in the ED, Fourth Year Medical Student Elective

Mike Uihlein, MD, CAQ Sports Medicine
Assistant Professor

Amy Zosel, MD, MSCS
Associate Professor; Interim Division Chief, Medical Toxicology; Director of Research Operations and Mentorship
Faculty

Erik Amoroso, MD
Assistant Professor; Associate Medical Director, Froedtert Menomonee Falls Hospital Emergency Department; Chest Pain Center Medical Director, Froedtert West Bend Hospital

Jamie Aranda, MD
Assistant Professor; Medical Director, Physician Associate Studies; Medical Director, Froedtert Hospital Emergency Department; System Director, Advanced Practice Providers

Tom P. Aufderheide, MD, MS, FACEP, FACC, FAHA
Professor; Director, Resuscitation Research Center; PCIR Director, CTSI Southeast WI

Jessica Badwards, MD
Assistant Professor


Sarah M. Balgord, MD
Assistant Professor



Matt Chinn, MD
Associate Professor; Senior Medical Director, Froedtert Emergency Department; Medical Director, Froedtert Observation Unit


Samuel Corbo, MD
Assistant Professor; Co-Director, MS-4 Clerkship; Assistant Director, Residency Program



Bradley J. Davis, DO
Assistant Professor



Aaron Dora-Laskey, MD, MS
Assistant Professor and Director of Research Training and Education


Andrew Farkas, MD
Assistant Professor; Course Director, Toxicology Elective




Thomas Grawey, DO
Assistant Professor; Associate Program Director, EMS Fellowship; Course Director, EMS Elective


Stephen Hargarten, MD, MPH
Professor; Founding Director, Comprehensive Injury Center; Senior Science and Policy Advisor

Elyse Hartleben, MD
Assistant Professor; Emergency Medicine Physician Lead for Scheduling; GME Patient Safety & Quality Officer; Assistant Medical Director, West Bend Emergency Department



Nancy Jacobson, MD
Assistant Professor; System Director, Quality, Safety, and Experience ; Medical Director, Emergency Medicine; Patient Safety and Quality Officer, Emergency Medicine

Laura Johns, MD
Assistant Professor




Timothy Lenz, MD, MPH, EMT-P
Associate Professor; Medical Director, Flight For Life


Jason Liu, MD, MPH, FAEMS
Professor; Medical Director, EMS Disaster/Emergency Preparedness



Sean Mackman, MD
Assistant Professor; Assistant Medical Director, Froedtert Community Hospitals

Kevin J. Mcgurk, MD
Assistant Professor




Julie Owen, MD
Assistant Professor







Katherine (Kate) J. Savage, MD
Assistant Professor


Bill Scheels, MD
Assistant Professor; Course Director, Ultrasound Elective

Mark Semrad, DO
Assistant Professor; Medical Director, Froedtert West Bend Emergency Department

Dennis Shepherd, MD
Assistant Professor; Medical Director for Emergency Medicine and Critical Care Services at Froedtert Menomonee Falls Hospital


Stephen Spencer, MD, FACEP
Assistant Professor; Medical Director, Froedtert Community Hospitals; Medical Staff President, Froedtert Community Hospitals

Bridget R. Sullivan, MD
Assistant Professor


Jillian Theobald, MD, PhD
Associate Professor; Associate Medical Director, Wisconsin Poison Center

Joshua Timpe, MD
Assistant Professor; Director, Wilderness and Environmental Medicine; Assistant Director, Residency Program; Course Director, Wilderness Medicine Elective

Christopher G. Torkilsen, DO
Assistant Professor

Ben Weston, MD, MPH
Associate Professor; Associate Fellowship Director, EMS Fellowship


Morgan Wilbanks, MD, FACEP
Assistant Professor; Interim Director, Undergraduate Medical Education; Director, MS-3 Clerkship

Kathleen Williams, MD
Assistant Professor; Residency Program Director

Rachel E. Wilson, MD
Assistant Professor



Thomas Yang, MD
Assistant Professor; Assistant Residency Program Director; Co-Director Simulation – Scholarship and Research; Medical Director, Froedtert Hospital Simulation Center
Secondary Faculty

Lorin Robert Browne, DO
Associate Professor

Arthur R. Derse, MD, JD, FACEP
Director, Center for Bioethics and Medical Humanities; Julia and David Uihlein Chair in Medical Humanities, and Professor of Bioethics and Emergency Medicine

Renee Annette Foutz, MD
Assistant Professor

Marlene D. Melzer-Lange, MD
Adjunct Professor

Matt Stanton, PharmD, BCPS, DABAT, CSPI
Clinical Assistant Professor

Robert Treat, PhD
Associate Professor; Director of Measurement and Evaluation in the Office of Academic Affairs
All of our Emergency Medicine clinical members are board-certified or board-eligible in Emergency Medicine.
Pediatric Emergency Medicine Faculty