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Meet Our Residents


Residents with The Johns Hopkins Department of Plastic and Reconstructive Surgery are trained to exemplify excellence in their patient care, innovative treatment procedures and cutting-edge research. Learn more about our residents.


Chief Residents

Karan Chopra, MD (Integrated)
Hometown: Ellicott City, MD
Undergraduate Education: Washington University in St. Louis
Medical School: University of Maryland
Interests: Karan enjoys cooking, traveling and family.


George Kokosis

Georgios Kokosis, MD (Independent)
Athens, Greece
Medical School: University of Athens
Primary Surgical Training: Duke University
Interests: George enjoys snowboarding, swimming, running and traveling.


Raghu Nandan, MD, MPH (Independent)
New Delhi, India
Medical School: All India Institute of Medical Sciences, New Delhi
Masters Degree: Johns Hopkins Bloomberg School of Public Health
Primary Surgical Training: General Surgery, University of Arizona, Tucson
Interests: Raghu's interests include soccer, hiking, traveling and reading.


Postgraduate Year Five

keli kolegraf

Keli Kolegraff, MD, PhD (Integrated)
Milford, IA
Undergraduate Education: Johns Hopkins University
Medical School: Emory University
Graduate School: Emory University
Interests: Keli's interests include traveling, cooking, gardening, snowboarding and sailing.

joseph lopez

Joseph Lopez, MD, MBA (Integrated)
Sacramento, CA
Undergraduate Education: Stanford University
Medical School: Harvard Medical School
Master's Degree: Harvard Business School
Interests: Joey's interests include VCA, Tissue & Nerve Regeneration, Craniomaxillofacial Surgery, Head & Neck Oncology, Family and Soccer.


Melissa Mastroianni, MD (Independent)
Hometown: Whitefish Bay, WI
Undergraduate Education: University of Wisconsin-Madison
Medical School: University of Wisconsin-Madison School of Medicine and Public Health
Primary Surgical Training: General Surgery, University of Rochester and Brigham and Women's Hospital
Interests: Melissa's career interests include novel agents for wound healing that minimize donor site morbidity. Outside of medicine, she enjoys cooking, fitness and trying trendy restaurants around Baltimore. She has a two year old daughter and enjoys spending time with family.

John Rose

John Rose, MD, MPH (independent)
Hometown: Nashville, TN
Medical School: UC California Irvine School of Medicine
Primary General Surgery Training: Brigham and Women’s Hospital
Interests: John enjoys travel, music, college football, sports/fitness. He is interested in health services research and global health.


howard wang

Howard Wang, MD (Integrated)
Baltimore, MD
Undergraduate Education: Washington University in St. Louis
Medical School: University of Maryland
Interests: Howard is interested in pursuing a career in craniofacial surgery. Outside of work, he enjoys playing basketball, running, traveling, eating and sometimes cooking.

Postgraduate Year Four

akash chandwarkar

Akash Chandwarkar, MD (Integrated)
Marlboro, NJ
Undergraduate Education: Massachusetts Institute of Technology
Medical School: Harvard Medical School, Harvard-MIT Health Sciences and Technology (HST)
Fellowship: Biodesign Innovation Fellowship, Stanford Byers Center for Biodesign
Interests: Akash enjoys learning about all aspects of plastic surgery, and has a passion for medical device innovation and technology development in surgery. In his spare time, he enjoys playing guitar, Baltimore social sports leagues, New York Yankees baseball and unsuccessfully training two crazy dogs.

brian cho

Brian Cho, MD (Integrated)
Martinez, CA
Undergraduate Education: University of California, Riverside
Medical School: Virginia Commonwealth University
Interests: Brian's educational interests include oncologic reconstruction and tissue engineering. In his spare time, he enjoys fishing and working on cars in his garage.

 angelo leto

Angelo Leto Barone, MD (Integrated)
Santo Stefano Quisquina, Italy
Medical School: University of Palermo, Italy
Interests: Angelo has a strong interest in the fields of microsurgery, complex ear and nose  reconstruction, as well as reconstructive transplantation. In his free time, he is an avid traveler and enjoys photography, music, cooking, and weight lifting.

colton mcnichols

Colton McNichols, MD (Integrated)
Metropolis, IL
Undergraduate Education: Southern Illinois University, Carbondale
Medical School: Rush Medical School
Interests: Colton enjoys traveling and living in the city, where there are plenty of things to do and places to explore. In his free time, he works on cultivating “foodie” interests by trying new restaurants or looking for different local festivals to attend. He is quite outgoing and looks forward to meeting new people, often by playing in Baltimore social league events. When at work, he tries to absorb as much as he can to better understand his interests in the broad field of plastic surgery.

Mansher Singh

Mansher Singh, MD (Independent)
New Delhi, India
Medical School: All India Institute of Medical Sciences, New Delhi, India
Fellowship:  Postdoctoral surgical research fellowship at Yale University School of Medicine; Plastic surgery research fellowship at Brigham & Women’s Hospital, Harvard Medical School
Residency: General Surgery Residency at Beth Israel Deaconess Medical Center, Harvard Medical School
Interests: Mansher enjoys all aspects of plastic surgery and has a keen interest in bench to bedside translational research and biomedical startups. He is an avid traveler and cherishes experiencing the cultural differences across the world. He has been to more than 40 countries across 6 continents. He also enjoys boxing, exploring different cuisines and is a seafood addict.  ​

Postgraduate Year Three

Mohammad Al-Rakan

Mohammad Al-Rakan, MD (Integrated)
Riyadh, Saudi Arabia 
Medical School: King Saud University 
Fellowship:  Postdoctoral research fellowship in Vascularized Composite Allo- transplantation at Johns Hopkins.
Master's Degree: Johns Hopkins Paul H. Nitze School of Advanced International Studies (SAIS). 
Interests: Mohammed’s clinical interests include Transplant ImmunologyHand and Face Transplant, Hand Surgery, and Body Countering. Mohammed also has a strong interest in international relations and public policy. Outside of work, he enjoys horse back riding and traveling. 

Adekunle Elegbede, MD, PhD

Adekunle Elegbede, MD, PhD (Integrated)
Lagos, Nigeria
Undergraduate Education: University of Lagos
Medical School: Cleveland Clinic Lerner College of Medicine
Interests: In his leisure time, Kunle enjoys playing basketball, dancing and watching movies.

Philip Hanwright, MD

Philip Hanwright, MD (Integrated)
Auckland, New Zealand
Undergraduate Education: Miami University
Medical School: Northwestern University Feinberg School of Medicine
Interests: Phil enjoys soccer, running, hiking, snowboarding, traveling, and exploring new restaurants​.

Bart Kachniarz

Bart Kachniarz, MD, MBA (Integrated)
Warsaw, Poland
Undergraduate Education: Columbia University
Medical School: Harvard Medical School
Master's Degree: Harvard Business School
Interests: Bart's interests include travel, playing tennis and sailing.

Research Year

chris frost

Chris Frost, MD (Integrated)
Grand Rapids, Mich.
Undergraduate Education: University of Michigan
Medical School: University of Michigan
Interests: Professionally, Chris is interested in hand surgery and bioengineering. In his leisure time he enjoys running, travel, cooking and college football.

Nima Khavanin

Nima Khavanin, MD (Integrated)
Davie, Fla.
Undergraduate Education: Harvard University
Medical School: Northwestern University Feinberg School of Medicine
Interests: In his free time, Nima enjoys playing and watching sports, traveling, reading about random topics in history or one of his favorite authors, including George Orwell, Haruki Murakami or Kurt Vonnegut. He is interested in a career in academic plastic surgery and particularly drawn to microsurgery and facial aesthetics.

franca kraenzlin

Franca Kraenzlin, MD (Integrated)
Rye, N.Y.
Undergraduate Education: Johns Hopkins University
Medical School: University of Rochester School of Medicine
Interests: Franca enjoys sailing, biking, skiing and traveling.

wilmina landford

Wilmina N. Landford, MD (Integrated)
Springfield, Mass.
Undergraduate Education: Mount Holyoke College 
Medical School: Stony Brook University School of Medicine
Interests: Photojournalism, international cuisines, DIY projects, basketball, golf and deep sea/surf fishing are among Wilmina's interests.

Postgraduate Year Two

Nicholas Calotta

Nicholas Calotta, MD (Integrated)
Randolph, NJ
Undergraduate Education: University of Pennsylvania
Medical School: Johns Hopkins University School of Medicine
Interests: Nick enjoys spending time with family and friends. He's also a big time New York sports fans (Yankees and Jets) but really like playing/watching pretty much any sport-he's process of picking up golf with very mixed results. Beyond that, he's always told himself he'd try any food at least once.

Hillary Jenny

Hillary Jenny, MD (Integrated)

Hometown: Chapel Hill, NC
Undergraduate Education: MIT Medical School: Icahn School of Medicine at Mount Sinai
Master of Public Health: Icahn School of Medicine at Mount Sinai
Interests: Hillary enjoys travel, global health, yoga, spin, music, and trying any and all new foods/restaurants

Melanie Major

Melanie Major, MD (Integrated) Hometown: Carlsbad, CA
Undergraduate Education: Stanford University
Medical School: Johns Hopkins School of Medicine
Interests: Melanie enjoys traveling, hiking, scuba diving, swimming, spinning, cooking and trying new restaurants in Baltimore.

Amy Quan

Amy Quan, MD (Integrated)
Hometown: Cupertino, CA
Undergraduate Education: Dartmouth College
Master of Public Health: Johns Hopkins Bloomberg School of Public Health
Medical School: Johns Hopkins School of Medicine
Interests: Amy's interests include live music and theater, trying new restaurants, sampling documentaries and podcasts and travel.

Postgraduate Year One

Chao long

Chao Long, MD (Integrated)
Hometown: Pittsburgh, PA
Undergraduate Education: Princeton University
Medical School: Stanford University School of Medicine
Interests: Chao's professional interests include tissue engineering and global health research. In her free time, she enjoys travel, yoga, hiking, and exploring new neighborhoods, all preferably in the company of friends and family.

Matthew lewis

Matthew Louis, MD (Integrated)
Wichita, KS
Undergraduate Education: Baylor University, Waco, TX
Medical School: Baylor College of Medicine, Houston, TX
Interests: Matthew's interests include spending time with his wife and dog, working on home improvement projects, reading, and exercising. 


John luck

John (JD) Luck, MD (Integrated)
Hometown: Appleton, WI
Undergrad: Johns Hopkins University
Medical School: Johns Hopkins School of Medicine
Interests: JD’s interests include watching and rooting for the Green Bay Packers, working on home renovation and construction projects, and spending time with his wife and family. 

Alex Sun

Alexander Sun, MD (Integrated)
Hometown: Ellicott City, MD
Undergraduate Education: Duke University
Medical School: Yale School of Medicine
Interests: Alex's academic interests include plastic surgery, biomedical/tissue engineering and global health. Outside of medicine, he enjoys working out, road trips, hiking, photography, cooking, and dessert. 


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