Meet your Global Health Center team
CHOP's Global Health Center offers programs in the Dominican Republic and Africa, with opportunities for clinicians and other staff to also get involved here in the U.S.
Medical Director
![Andrew Steenhoff, MBBCh, DCH](/sites/default/files/styles/search_image_192x256/public/providers-new-steenhoff-andrew.jpg?itok=WjYKzWjt)
Andrew Steenhoff, MBBCh, DCH
Global Health Faculty
![Savvas Andronikou, MBBch (Wits), PhD, FCRad (Diag)](/sites/default/files/styles/search_image_192x256/public/providers-new-andronikou-savvas.jpg?itok=eX9WaYl0)
Savvas Andronikou, MBBch (Wits), PhD, FCRad (Diag)
![Adelaide Elise Barnes, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-barnes-adelaide.jpg?itok=VhzwgE0K)
Adelaide Elise Barnes, MD
![Scott P. Bartlett, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-bartlett-scott.jpg?itok=Zmew3gPN)
Scott P. Bartlett, MD
![Tricia Bhatti, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-bhatt-tricia.jpg?itok=7P28DcHH)
Tricia Bhatti, MD
![Toni M. Biskup, MD, MPH, FAAP, FACP](/sites/default/files/styles/search_image_192x256/public/providers-new-biskup-toni.jpg?itok=RpkMwaup)
Toni M. Biskup, MD, MPH, FAAP, FACP
![Merrian Jacqueline Brooks, DO](/sites/default/files/styles/search_image_192x256/public/providers-new-brooks-merrian-j.jpg?itok=tHbp_mY1)
Merrian Jacqueline Brooks, DO
![James M. Callahan, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-callahan-james.jpg?itok=G2HycltQ)
James M. Callahan, MD
![Jonathan M. Chen, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-chen-jonathan.jpg?itok=x3cWeoA7)
Jonathan M. Chen, MD
![christian-cindy.jpg](/sites/default/files/styles/search_image_192x256/public/2024-08/Christian%2C%20Cindy%20%20RGB-22.jpg?itok=HGvWboaY)
Cindy W. Christian, MD
![Susan E. Coffin, MD, MPH](/sites/default/files/styles/search_image_192x256/public/providers-new-coffin-susan.jpg?itok=9Db4vurt)
Susan E. Coffin, MD, MPH
![Meryl S. Cohen, MD, MSEd](/sites/default/files/styles/search_image_192x256/public/providers-new-cohen-meryl-s.gif?itok=Nf-JKAAj)
Meryl S. Cohen, MD, MSEd
![Keri A. Cohn, MD, MPH, DTM&H](/sites/default/files/styles/search_image_192x256/public/providers-new-cohn-keri.jpg?itok=AkXJluuS)
Keri A. Cohn, MD, MPH, DTM&H
![Morgan Congdon, MD, MPH, MSEd](/sites/default/files/styles/search_image_192x256/public/providers-new-congdon-morgan.jpg?itok=_rNQcw_W)
Morgan Congdon, MD, MPH, MSEd
![Sansanee Craig, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-craig-sansanee.jpg?itok=YMlhiDp4)
Sansanee Craig, MD
![Kassa Darge, MD, PhD, DTM&P, FSAR, FAIUM](/sites/default/files/styles/search_image_192x256/public/providers-new-darge-kassa.jpg?itok=Dneccp3h)
Kassa Darge, MD, PhD, DTM&P, FSAR, FAIUM
![Edward J. Doolin, MD, FACS, FAAP](/sites/default/files/styles/search_image_192x256/public/providers-new-doolin-edward.jpg?itok=xQyURCuY)
Edward J. Doolin, MD, FACS, FAAP
![Elizabeth T. Drum, MD, FAAP, FCPP, FASA](/sites/default/files/styles/search_image_192x256/public/providers-new-drum-elizabeth.jpg?itok=S-rFgBrj)
Elizabeth T. Drum, MD, FAAP, FCPP, FASA
![Maria Dunn, DO](/sites/default/files/styles/search_image_192x256/public/providers-new-dunn-maria.jpg?itok=0F8TkmeF)
Maria Dunn, DO
![Kristen A. Feemster, MD, MPH, MSHPR, FAAP](/sites/default/files/styles/search_image_192x256/public/providers-new-feemster-kristen.jpg?itok=1BSMNrGS)
Kristen A. Feemster, MD, MPH, MSHPR, FAAP
![Brian T. Fisher, DO, MPH, MSCE](/sites/default/files/styles/search_image_192x256/public/providers-new-fisher-brian.jpg?itok=VN3ALZgJ)
Brian T. Fisher, DO, MPH, MSCE
![Selasie Goka, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-goka-selasie.jpg?itok=qLPjxfGk)
Selasie Goka, MD
![Beryl M. Greywoode, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-greywoode-beryl.jpg?itok=ZirKKWil)
Beryl M. Greywoode, MD
![James Guevara, MD, MPH](/sites/default/files/styles/search_image_192x256/public/providers-new-guevara_james.gif?itok=QpKs1kj6)
James Guevara, MD, MPH
![Stephen P. Hunger, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-hunger-stephen.jpg?itok=TGAZFf6R)
Stephen P. Hunger, MD
![Eimear Kitt, MD, FAAP](/sites/default/files/styles/search_image_192x256/public/providers-new-kitt-eimear.jpg?itok=gKsg-zSe)
Eimear Kitt, MD, FAAP
![Anthony A. Luberti, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-luberti-anthony.jpg?itok=fMVP3Qj8)
Anthony A. Luberti, MD
![Carolyn McGann, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-carolyn-mize.jpg?itok=9ikvlrhQ)
Carolyn McGann, MD
![Vinay Nadkarni, MD, MS](/sites/default/files/styles/search_image_192x256/public/providers-new-nadkarni-vinay.jpg?itok=FmoRaDNu)
Vinay Nadkarni, MD, MS
![Audrey R. Odom John, MD, PhD](/sites/default/files/styles/search_image_192x256/public/providers-new-john-audrey.jpg?itok=knWOSYuZ)
Audrey R. Odom John, MD, PhD
![Kevin Osterhoudt, MD, MSCE, FAAP, FAACT, FACMT](/sites/default/files/styles/search_image_192x256/public/providers-new-osterhoudt-kevin.jpg?itok=1uGLG0Gd)
Kevin Osterhoudt, MD, MSCE, FAAP, FAACT, FACMT
![Hansel J. Otero, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-otero-hansel.jpg?itok=s4NO9QgV)
Hansel J. Otero, MD
![Paul J. Planet, MD, PhD](/sites/default/files/styles/search_image_192x256/public/providers-new-planet-paul.jpg?itok=pMTmYqv5)
Paul J. Planet, MD, PhD
![Sally Poliwoda, MPH, BSN](/sites/default/files/styles/search_image_192x256/public/providers-new-poliwoda-sally.jpg?itok=2N97BQR0)
Sally Poliwoda, MPH, BSN
![Graham E. Quinn, MD, MSCE](/sites/default/files/styles/search_image_192x256/public/providers-new-quinn-graham.jpg?itok=Z5wN7uvb)
Graham E. Quinn, MD, MSCE
![Madiha Raees, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-raees-madiha.jpg?itok=A1iNxohK)
Madiha Raees, MD
![Chitra Ravishankar, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-ravishankar-chitra.jpg?itok=uXeYJWk2)
Chitra Ravishankar, MD
![Jessie Reynoso Santos, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-reynoso-santos-jessie.jpg?itok=PsHbyn9o)
Jessie Reynoso Santos, MD
![Joseph Rossano, MD, MS, FAAP, FACC](/sites/default/files/styles/search_image_192x256/public/providers-new-rossano-joseph.jpg?itok=NYO0AM_n)
Joseph Rossano, MD, MS, FAAP, FACC
![Pierre A. Russo, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-russo-pierre.jpg?itok=Cg4HmZ_e)
Pierre A. Russo, MD
![Elizabeth Sanseau, MD, MS, FAAP, DTM&H](/sites/default/files/styles/search_image_192x256/public/providers-new-sanseau-elizabeth.jpg?itok=c1Ad8KHQ)
Elizabeth Sanseau, MD, MS, FAAP, DTM&H
![Aseem R. Shukla, MD, MHCI](/sites/default/files/styles/search_image_192x256/public/providers-new-shukla-aseem.jpg?itok=d3v0asMA)
Aseem R. Shukla, MD, MHCI
![Diane L. Spatz, PhD, RN-BC, FAAN](/sites/default/files/styles/search_image_192x256/public/providers-new-spatz-diane.jpg?itok=lSjRdwek)
Diane L. Spatz, PhD, RN-BC, FAAN
![David A. Spiegel, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-spiegel-david.jpg?itok=5kxmjfiu)
David A. Spiegel, MD
![Virginia A. Stallings, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-stallings-virginia.jpg?itok=W1Z73ptJ)
Virginia A. Stallings, MD
![Jonathan P. Strysko, MD, MSc, IBCLC](/sites/default/files/styles/search_image_192x256/public/providers-new-strysko-jonathan.jpg?itok=kNl_KP28)
Jonathan P. Strysko, MD, MSc, IBCLC
Sesh A. Sundararaman
![Jordan W. Swanson, MD, MSc](/sites/default/files/styles/search_image_192x256/public/providers-new-swanson-jordan.jpg?itok=1ibMcwXc)
Jordan W. Swanson, MD, MSc
![Leonel Toledo, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-toledo-leonel.jpg?itok=zhgnp54c)
Leonel Toledo, MD
![Alexandra M. Vinograd, MD, MSHP, DTM&H](/sites/default/files/styles/search_image_192x256/public/providers-new-vinograd-alexandra.jpg?itok=US1E_WmU)
Alexandra M. Vinograd, MD, MSHP, DTM&H
![Kate E. Wallis, MD, MPH](/sites/default/files/styles/search_image_192x256/public/providers-new-wallis-kate.jpg?itok=Z3lpcKz_)
Kate E. Wallis, MD, MPH
![Flaura K. Winston, MD, PhD](/sites/default/files/styles/search_image_192x256/public/providers-new-winston-flaura-koplin.jpg?itok=RL7DI06R)
Flaura K. Winston, MD, PhD
![Sarah M. Wood, MD, MSHP](/sites/default/files/styles/search_image_192x256/public/providers-new-wood-sarah.jpg?itok=GBSmU9O4)
Sarah M. Wood, MD, MSHP
![Katherine Yun, MD, MHS](/sites/default/files/styles/search_image_192x256/public/providers-new-yun-kate.jpg?itok=186LiXU9)
Katherine Yun, MD, MHS
![Huayan Zhang, MD](/sites/default/files/styles/search_image_192x256/public/providers-new-zhang-huayan.jpg?itok=KLkw7KRx)
Huayan Zhang, MD
Nurse Practitioners
Cheryl Brenneman, MSN, BSN, CRNP
Katherine R. Buhikire, FNP-BC, CRNP, FNP-C
![Melissa Duran, MSN, CRNP, NNP-BC](/sites/default/files/styles/search_image_192x256/public/providers-new-duran-melissa.jpg?itok=4p_GRpSX)
Melissa Duran, RN, MSN, CRNP
![Nancy K. Etzel, RN, ACNP-BC](/sites/default/files/styles/search_image_192x256/public/providers-new-etzel-nancy.jpg?itok=AhbvcUd9)
Nancy K. Etzel, RN, ACNP-BC
![Geraldine O'Hare, MSN, CRNP](/sites/default/files/styles/search_image_192x256/public/providers-new-ohare-geraldine.jpg?itok=8WSlHSCr)
Geraldine O'Hare, MSN, CRNP
Global Health Grants and Program Manager
![Mazvita Rankin, MPH](/sites/default/files/styles/search_image_192x256/public/providers-new-rankin-mazvita.jpg?itok=Cy3Xzy6k)
Mazvita Rankin
Global Health Program Manager
![Anabel Fernández, MPH](/sites/default/files/styles/search_image_192x256/public/providers-new-fernandez-anabel.jpg?itok=tzBOgOS1)
Anabel Fernández, MPH
Research
![Elizabeth D. Lowenthal, MD, MSCE](/sites/default/files/styles/search_image_192x256/public/providers-new-lowenthal-elizabeth.jpg?itok=AFzrQu7l)
Elizabeth D. Lowenthal, MD, MSCE, FAAP, AAHIVS
Project Coordinator
![Marissa Olson](/sites/default/files/styles/search_image_192x256/public/providers-new-olson-marissa.jpg?itok=mStsI8um)
Marissa Olson
Executive Secretary
![Aimee Ortega](/sites/default/files/styles/search_image_192x256/public/providers-new-aimee-ortega.jpg?itok=b2zoQTb2)