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Our Team

Lab Staff

William A. Baumgartner, M.D., Director: Baumgartner spent 17 years as chief of the Division of Cardiac Surgery at The Johns Hopkins Hospital. He helped found the heart-lung transplantation program and grew the heart transplantation program into one of the nation’s leading centers for the surgical treatment of heart failure. His early research focused on organ transplantation and preservation. For the past two decades, he has had continuous National Institutes of Health support for his research into neurological protection during cardiac surgery.

Melissa Jones, Lab Manager: Melissa’s administrative responsibilities include purchasing, planning, organizing and scheduling the lab’s experiments, training classes and meetings. She also helps the surgical residents write budgets, protocols and grant proposals. Her lab duties include helping set up experiments, run the surgical equipment, and collect, record and maintain data. Melissa has been with the lab since 1987 and serves as its contact person.

Jeff Brawn, Research Specialist: Jeff came to the research lab in 1983 as a surgical technician after a short stint in the hospital’s general surgery operating room. Jeff helped build up the Cardiac Surgery Research Lab’s surgical area from four blank walls. His daily duties include preparing and maintaining the surgical lab area and equipment, setting up and preparing the surgical instruments and supplies, and performing or assisting with the surgeries, anesthesia, pre- and postop care, and recovery. He also helps acquire and maintain surgery records and equipment inventory, and he advises the surgical fellows on how to set up their surgical protocols.

Jeff has the special task of caring for the Blalock violet.

Meet Our Cardiac Surgery Faculty Researchers

Photo of Dr. Marc Steven Sussman, M.D.

Sussman, Marc Steven, M.D.

Assistant Professor of Surgery
Cardiovascular Surgical ICU
Photo of Dr. Glenn Joseph Robert Whitman, M.D.

Whitman, Glenn Joseph Robert, M.D.

Professor of Surgery
Director of Cardiovascular Surgical Intensive Care Unit


Cardiac Surgery Faculty: Past and Present

The approximate start dates for the attending surgeons are in parentheses.

  • Dr. Alfred Blalock, M.D. (1941)
  • Dr. Vincent Gott, M.D. (1965)
  • Dr. Timothy Gardner, M.D.(1970)
  • Dr. Levi Watkins, M.D. (1977)
  • Dr. Bruce Reitz, M.D. (1982)
  • Dr. William Baumgartner, M.D. (1982)

Surgery Residents: Past and Present

The approximate start dates for the surgery residents involved in the Cardiac Surgery Research Lab are in parentheses.

  • Dr. George J. Magovern Jr., M.D. (1982)
  • Dr. Steven F. Bolling, M.D. (1983)
  • Dr. Alfred S. Casale, M.D. (1983)
  • Dr. Sara J. Shumway, M.D. (1984)
  • Dr. Stuart R. Scott, M.D. (1984)
  • Dr. Duke E. Cameron, M.D. (1985)
  • Dr. Bruce R. Rosengard, M.D. (1986)
  • Dr. Timothy S. Hall, M.D. (1986)
  • Dr. Charles D. Fraser, M.D. (1987)
  • Dr. Wen Cheng, M.D. (1987)
  • Dr. Peter S. Greene, M.D. (1988)
  • Dr. Peter J. Horneffer, M.D. (1988)
  • Dr. Patrick Devaleria, M.D. (1989)\
  • Dr. R.C. Stewart Finney, M.D. (1989)
  • Dr. Michael A. Acker, M.D. (1990)
  • Dr. A. Marc Gillinov, M.D. (1991)
  • Dr. William Curtis, M.D. (1991)
  • Dr. Peter W. Cho, M.D. (1991)
  • Dr. Mark J. Redmond, , M.D. (1991)
  • Dr. Kirk J. Fleischer, M.D. (1992)
  • Dr. Malcolm V. Brock, M.D. (1992)
  • Dr. Elaine Tseng, M.D. (1994)
  • Dr. Jorge Salazar, M.D. (1997)
  • Dr. John Doty, M.D. (1997)
  • Dr. Peter Walinsky, M.D. (1999)
  • Dr. Jay Shake, M.D. (2000)
  • Dr. Eric Peck, M.D. (2000)
  • Dr. Stephen Cattaneo, M.D. (2001)
  • Dr. David Caparrelli, M.D. (2001)
  • Dr. Torin Fitton, , M.D. (2002)
  • Dr. Chris Barreiro, M.D. (2004)
  • Dr. Jason Williams, M.D. (2005)
  • Dr. Lois Nwakanma, M.D. (2006)
  • Dr. Eric Weiss, M.D. (2007)
  • Dr. Geoff Allen, M.D. (2008)
  • Dr. George Arnaoutakis, M.D. (2009)
  • Dr. Tim George, M.D. (2010)
  • Dr. Claude Beaty, M.D. (2011)
  • Dr. Joshua C. Grimm, M.D. (2013)
  • Dr. J. Trent Magruder, M.D. (2014)
  • Dr. Todd Crawford, M.D. (2015)
  • Dr. Cecilia Lui (2017)
  • Dr. Xun Zhou (2017)
  • Dr. Charles Fraser (2017) 
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