People

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Top row (L-R): Risa Burr, He Gu, Sara Clasen, Rita Brookheart, Peter Espenshade, Rocky Cheung.
Bottom row (L-R): Shan Zhao, Sumana Raychaudhuri, Diedre Ribbens, Meredith McGuire, Wei Shao

Current Lab Members

Peter J. Espenshade, Ph.D.
Professor
peter.espenshade@jhmi.edu

Phone: (443) 287-5026
Fax: (410) 502-7826
Curriculum Vitae

Jiwon Hwang, Ph.D.
Postdoctoral fellow
jhwang38@jhmi.edu

Jiwon graduated in 2011 from the University of Wisconsin-Madison with a PhD in oncology. In her PhD work she studied the ubiquitin-proteasome system as it relates to viral pathogenesis. After completion of her degree, she became a postdoc in Ron Kopito’s lab at Stanford University studying protein quality control systems with a focus on the endoplasmic reticulum-associated protein degradation (ERAD) pathway. Jiwon is now investigating SREBP cleavage in the Espenshade lab.

Wei Shao, Ph.D.
Postdoctoral fellow
wshao6@jhmi.edu

Sumana Raychaudhuri, Ph.D.
Postdoctoral fellow
sraycha1@jhmi.edu

Shan Zhao
Research Technician
szhao6@jhmi.edu

He Gu
Graduate student, BCMB program
hgu1@jhmi.edu

He (鹤) graduated from Tsinghua University in Beijing, China with a Bachelor of Science in Biology. There, in the lab of Dr. Yigong Shi, she worked on solving the crystal structure of a transporter in E.coli that can regulate the pH inside the bacteria. He (鹤) is now a second year BCMB student in the Espenshade lab working on the regulation of SREBP.

Sara Clasen
Graduate student, BCMB program
sclasen2@jhmi.edu

Risa Burr
Graduate student, BCMB program
rburr4@jhmi.edu

Risa graduated in 2011 from Brown University with a Bachelor of Science in Biochemistry and Molecular Biology. During her time at Brown she worked in the lab of Dr. Alexander Brodsky where she studied RNA nuclear export and polysome loading in breast cancer cell lines. Risa is now examining the role of the essential AAA ATPase Cdc48 in Dsc E3 ligase activity and SREBP cleavage.

Meredith McGuire
Graduate student, BCMB program
mmcgui17@jhmi.edu

Past Lab Members

Adam Hughes, Ph.D. (2003-2008)
Lab position: Graduate student
Current position: Assistant Professor, Department of Biochemistry, University of Utah, Salt Lake City, UT
Alfica Sehgal, Ph.D. (2004-2008)
Lab position: Postdoctoral fellow
Current position: Scientist, Alnylam Pharmaceuticals, Cambridge, MA
Anu Gokhale, J.D. (2003-2005)
Lab position: Research Technician
Current position: Associate, Intellectual Property Practice Group, King & Spalding, New York, NY
Bridget Todd Hughes, Ph.D. (2003-2008)
Lab position: Graduate student
Current position: Associate Director of Research Program Development, University of Utah School of Medicine Dean’s Office Research Unit, Salt Lake City, UT
Chih-Yung Lee, Ph.D. (2006-2011)
Lab position: Graduate student
Current position: Postdoctoral fellow, Seydoux Lab, Johns Hopkins University, Baltimore, MD
Christine Nwosu, (2007-2010)
Lab position: Graduate student
Current position: Graduate student, University of Toronto, Ontario
Clara Bien Peek, Ph.D. (2005-2010)
Lab position: Graduate student
Current position: Postdoctoral fellow, Bass Lab, Northwestern University, Evanston, IL
Diedre Ribbens, Ph.D. (2010-2013)
Lab position: Graduate student
Current position: Medical Writer and Clinical Trial Associate, Frestedt Inc, Minneapolis, MN; Freelance Science Writer
Emerson Stewart, Ph.D. (2004-2011)
Lab position: Graduate student
Current position: Postdoctoral fellow, Shen Lab, Stanford University, Stanford, CA
John Burg, Ph.D. (2004-2011)
Lab position: Graduate student
Current position: Postdoctoral fellow, Garcia Lab, Stanford University, Stanford, CA
Raymond Chai, M.D. (2003-2004)
Lab position: Research Technician
Current position: Fellow, Department of Otorhinolaryngology – Head and Neck Surgery, University of Pennsylvania Health System
Rita Brookheart, Ph.D.
Lab position: Postdoctoral fellow
Current position: Postdoctoral Fellow, Duncan Lab, Department of Pediatrics, Washington University School of Medicine in St. Louis, St. Louis, MO
Rocky Cheung, Ph.D. (2009-2013)
Lab position: Graduate student
Current position: Postdoctoral fellow, Kosuri Lab, University of California, Los Angeles, CA
S. Julie-Ann Lloyd, M.D.-Ph.D. (2009-2013)
Lab position: Graduate student
Current position: Resident, Cleveland Clinic, Cleveland, OH
Zongtian Tong, Ph.D. (2009-2013)
Lab position: Postdoctoral fellow
Current position: New mother
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