Our Faculty
Showing 381 - 390 of 519
![Amit Ranjan, PhD Profile Headshot](https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_200/public/cups-profile/headshot/86c91a60-0d3c-11ef-9789-2fcccf50bcd5.jpg?itok=9MBNRRni 200w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_260/public/cups-profile/headshot/86c91a60-0d3c-11ef-9789-2fcccf50bcd5.jpg?itok=urjXhqng 260w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_320/public/cups-profile/headshot/86c91a60-0d3c-11ef-9789-2fcccf50bcd5.jpg?itok=5MuiOzKP 320w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_400/public/cups-profile/headshot/86c91a60-0d3c-11ef-9789-2fcccf50bcd5.jpg?itok=rkVTS5_E 400w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_520/public/cups-profile/headshot/86c91a60-0d3c-11ef-9789-2fcccf50bcd5.jpg?itok=sTY2lLxS 520w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_640/public/cups-profile/headshot/86c91a60-0d3c-11ef-9789-2fcccf50bcd5.jpg?itok=ybB3j-HI 640w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_800/public/cups-profile/headshot/86c91a60-0d3c-11ef-9789-2fcccf50bcd5.jpg?itok=KNwvwxMu 800w)
Research Interests
Antimicrobial resistance, Chronic disease, Epidemiology, Infectious Diseases, Microbiome
Academic Appointments
- Associate Research Scientist in the Center for Infection and Immunity
![Scott Ratzan, MD Profile Headshot](https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_200/public/cups-profile/headshot/a7a86910-7bc1-11ed-9ae3-bdc2b8664d8b.jpg?itok=houtIXUX 200w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_260/public/cups-profile/headshot/a7a86910-7bc1-11ed-9ae3-bdc2b8664d8b.jpg?itok=t1OeFsun 260w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_320/public/cups-profile/headshot/a7a86910-7bc1-11ed-9ae3-bdc2b8664d8b.jpg?itok=wj3Vo42d 320w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_400/public/cups-profile/headshot/a7a86910-7bc1-11ed-9ae3-bdc2b8664d8b.jpg?itok=Cltuu2IK 400w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_520/public/cups-profile/headshot/a7a86910-7bc1-11ed-9ae3-bdc2b8664d8b.jpg?itok=vS8wAd2b 520w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_640/public/cups-profile/headshot/a7a86910-7bc1-11ed-9ae3-bdc2b8664d8b.jpg?itok=b2IBpfue 640w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_800/public/cups-profile/headshot/a7a86910-7bc1-11ed-9ae3-bdc2b8664d8b.jpg?itok=uwdvPZne 800w)
Departments/Divisions
Department of Sociomedical Sciences
Academic Appointments
- Adjunct Professor of Sociomedical Sciences
![Virginia A Rauh, ScD, MSW Profile Headshot](https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_200/public/cups-profile/headshot/96671ae0-b53f-11ed-9fbf-719f62257369.jpg?itok=oL0KfcO9 200w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_260/public/cups-profile/headshot/96671ae0-b53f-11ed-9fbf-719f62257369.jpg?itok=EqfdW34k 260w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_320/public/cups-profile/headshot/96671ae0-b53f-11ed-9fbf-719f62257369.jpg?itok=NHwcMYGn 320w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_400/public/cups-profile/headshot/96671ae0-b53f-11ed-9fbf-719f62257369.jpg?itok=XsNTa6x6 400w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_520/public/cups-profile/headshot/96671ae0-b53f-11ed-9fbf-719f62257369.jpg?itok=08xIwfcn 520w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_640/public/cups-profile/headshot/96671ae0-b53f-11ed-9fbf-719f62257369.jpg?itok=nIyPneHO 640w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_800/public/cups-profile/headshot/96671ae0-b53f-11ed-9fbf-719f62257369.jpg?itok=c2AAp2DU 800w)
Departments/Divisions
Department of Population and Family Health
Research Interests
Child and Adolescent Health, Community Health, Environmental Health, Maternal and Reproductive Health
Academic Appointments
- Jane and Alan Batkin Professor of Population and Family Health at CUMC
![John C. Rausch, MD, MPH Profile Headshot](https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_200/public/cups-profile/headshot/ab749c30-e3c5-11ea-a5eb-31ac4e8474e4.jpg?itok=-EysH1Ax 200w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_260/public/cups-profile/headshot/ab749c30-e3c5-11ea-a5eb-31ac4e8474e4.jpg?itok=LApcq9N8 260w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_320/public/cups-profile/headshot/ab749c30-e3c5-11ea-a5eb-31ac4e8474e4.jpg?itok=4Umze1z6 320w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_400/public/cups-profile/headshot/ab749c30-e3c5-11ea-a5eb-31ac4e8474e4.jpg?itok=sehjZ9VT 400w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_520/public/cups-profile/headshot/ab749c30-e3c5-11ea-a5eb-31ac4e8474e4.jpg?itok=mTyXPUEM 520w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_640/public/cups-profile/headshot/ab749c30-e3c5-11ea-a5eb-31ac4e8474e4.jpg?itok=b4a4Ef7O 640w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_800/public/cups-profile/headshot/ab749c30-e3c5-11ea-a5eb-31ac4e8474e4.jpg?itok=1f3_Vb46 800w)
Departments/Divisions
Department of Pediatrics, Division of Pediatric Child and Adolescent Medicine, Department of Population and Family Health
Accepting New Patients
Treats Children
Specialties
Pediatrics, Pediatrician (General Pediatrics), Primary Care
Research Interests
obesity mangement, obesity prevention, population health
Academic Appointments
- Associate Professor of Pediatrics at CUMC
Schedule an Appointment
Existing Patients:
![Philippe Ravaud Profile Headshot](https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_200/public/cups-profile/headshot/635ae5a0-c4cb-11ed-bcf7-6b9214713ef7.jpg?itok=zBpfQAke 200w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_260/public/cups-profile/headshot/635ae5a0-c4cb-11ed-bcf7-6b9214713ef7.jpg?itok=6E5n1cui 260w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_320/public/cups-profile/headshot/635ae5a0-c4cb-11ed-bcf7-6b9214713ef7.jpg?itok=nnzw9CpG 320w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_400/public/cups-profile/headshot/635ae5a0-c4cb-11ed-bcf7-6b9214713ef7.jpg?itok=qeqGw-FN 400w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_520/public/cups-profile/headshot/635ae5a0-c4cb-11ed-bcf7-6b9214713ef7.jpg?itok=2O0NGxa6 520w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_640/public/cups-profile/headshot/635ae5a0-c4cb-11ed-bcf7-6b9214713ef7.jpg?itok=Y18RXVGs 640w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_800/public/cups-profile/headshot/635ae5a0-c4cb-11ed-bcf7-6b9214713ef7.jpg?itok=BRkIJt1s 800w)
Departments/Divisions
Department of Epidemiology
Academic Appointments
- Adjunct Professor of Epidemiology
![William Reidy, PhD, MPH Profile Headshot](https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_200/public/cups-profile/headshot/2ea291c0-7c99-11ed-aebf-39b53e8cc335.jpeg?itok=PtrkM-0z 200w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_260/public/cups-profile/headshot/2ea291c0-7c99-11ed-aebf-39b53e8cc335.jpeg?itok=MGMTDzX7 260w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_320/public/cups-profile/headshot/2ea291c0-7c99-11ed-aebf-39b53e8cc335.jpeg?itok=ygZXCnSW 320w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_400/public/cups-profile/headshot/2ea291c0-7c99-11ed-aebf-39b53e8cc335.jpeg?itok=kHH6rtbm 400w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_520/public/cups-profile/headshot/2ea291c0-7c99-11ed-aebf-39b53e8cc335.jpeg?itok=_wIJjtjN 520w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_640/public/cups-profile/headshot/2ea291c0-7c99-11ed-aebf-39b53e8cc335.jpeg?itok=qozUS1vf 640w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_800/public/cups-profile/headshot/2ea291c0-7c99-11ed-aebf-39b53e8cc335.jpeg?itok=wTRtX38c 800w)
Departments/Divisions
Department of Epidemiology
Academic Appointments
- Assistant Professor of Epidemiology (in ICAP) at the Columbia University Medical Center
![Christiane Reitz, MD, PhD Profile Headshot](https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_200/public/cups-profile/headshot/2b462230-e38a-11ea-a22f-d385b4d8c094.jpg?itok=1nZwEVLW 200w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_260/public/cups-profile/headshot/2b462230-e38a-11ea-a22f-d385b4d8c094.jpg?itok=QSQrw8tJ 260w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_320/public/cups-profile/headshot/2b462230-e38a-11ea-a22f-d385b4d8c094.jpg?itok=HDs2cW_D 320w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_400/public/cups-profile/headshot/2b462230-e38a-11ea-a22f-d385b4d8c094.jpg?itok=3yrsxdXz 400w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_520/public/cups-profile/headshot/2b462230-e38a-11ea-a22f-d385b4d8c094.jpg?itok=hMRBV6Wm 520w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_640/public/cups-profile/headshot/2b462230-e38a-11ea-a22f-d385b4d8c094.jpg?itok=d7mJUIZu 640w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_800/public/cups-profile/headshot/2b462230-e38a-11ea-a22f-d385b4d8c094.jpg?itok=q6YWmvqO 800w)
Departments/Divisions
Department of Epidemiology, Department of Neurology, Division of Aging and Dementia
Academic Appointments
- Associate Professor of Neurology and Epidemiology (in the Gertrude H. Sergievsky Center and the Taub Institute for Research on Alzheimer's Disease and the Aging Brain)
![Todd Richter Profile Headshot](https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_200/public/cups-profile/headshot/6ab1fea0-77fb-11ed-8d68-dd5203fad892.jpg?itok=fhAAvY3n 200w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_260/public/cups-profile/headshot/6ab1fea0-77fb-11ed-8d68-dd5203fad892.jpg?itok=TF6NiVMV 260w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_320/public/cups-profile/headshot/6ab1fea0-77fb-11ed-8d68-dd5203fad892.jpg?itok=CkIcfG3N 320w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_400/public/cups-profile/headshot/6ab1fea0-77fb-11ed-8d68-dd5203fad892.jpg?itok=ZHe4BtzG 400w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_520/public/cups-profile/headshot/6ab1fea0-77fb-11ed-8d68-dd5203fad892.jpg?itok=f6ZW7_9t 520w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_640/public/cups-profile/headshot/6ab1fea0-77fb-11ed-8d68-dd5203fad892.jpg?itok=UYubM2Tf 640w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_800/public/cups-profile/headshot/6ab1fea0-77fb-11ed-8d68-dd5203fad892.jpg?itok=kONhELk2 800w)
Departments/Divisions
Department of Health Policy and Management
Academic Appointments
- Associate in Health Policy and Management
![](https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_200/public/default_images/default-headshot-cumc-crown.png?itok=kNzPiu6- 200w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_260/public/default_images/default-headshot-cumc-crown.png?itok=LoHBhOpT 260w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_320/public/default_images/default-headshot-cumc-crown.png?itok=CxKBn_PF 320w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_400/public/default_images/default-headshot-cumc-crown.png?itok=K4WWhXZa 400w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_520/public/default_images/default-headshot-cumc-crown.png?itok=nkhBsI0D 520w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_640/public/default_images/default-headshot-cumc-crown.png?itok=F3uNDQa4 640w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_800/public/default_images/default-headshot-cumc-crown.png?itok=GFwRChqM 800w)
Departments/Divisions
Department of Population and Family Health
Academic Appointments
- Adjunct Assistant Professor of Population and Family Health
![Leslie Roberts, PhD Profile Headshot](https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_200/public/cups-profile/headshot/1211b150-77ec-11ed-857e-53bad8135885.jpg?itok=vZ9nJyJm 200w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_260/public/cups-profile/headshot/1211b150-77ec-11ed-857e-53bad8135885.jpg?itok=fkqezns7 260w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_320/public/cups-profile/headshot/1211b150-77ec-11ed-857e-53bad8135885.jpg?itok=HYfCcyej 320w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_400/public/cups-profile/headshot/1211b150-77ec-11ed-857e-53bad8135885.jpg?itok=jtU9yAQR 400w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_520/public/cups-profile/headshot/1211b150-77ec-11ed-857e-53bad8135885.jpg?itok=SYDHsNy7 520w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_640/public/cups-profile/headshot/1211b150-77ec-11ed-857e-53bad8135885.jpg?itok=tr1jm-8O 640w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_800/public/cups-profile/headshot/1211b150-77ec-11ed-857e-53bad8135885.jpg?itok=V1tlAhiZ 800w)
Departments/Divisions
Department of Population and Family Health
Academic Appointments
- Professor Emeritus of Population and Family Health at CUMC
- Special Lecturer in Population and Family Health