Our Faculty
Showing 221 - 230 of 510
![Gregory Karelas, MSC Profile Headshot](https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_200/public/cups-profile/headshot/8cd52170-7a25-11ed-8205-85bafa621649.jpg?itok=SoZ7keJM 200w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_260/public/cups-profile/headshot/8cd52170-7a25-11ed-8205-85bafa621649.jpg?itok=eBVLwaXn 260w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_320/public/cups-profile/headshot/8cd52170-7a25-11ed-8205-85bafa621649.jpg?itok=bJRLSQu1 320w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_400/public/cups-profile/headshot/8cd52170-7a25-11ed-8205-85bafa621649.jpg?itok=3TCFEpcq 400w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_520/public/cups-profile/headshot/8cd52170-7a25-11ed-8205-85bafa621649.jpg?itok=zTeiJJyW 520w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_640/public/cups-profile/headshot/8cd52170-7a25-11ed-8205-85bafa621649.jpg?itok=lCxmslUy 640w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_800/public/cups-profile/headshot/8cd52170-7a25-11ed-8205-85bafa621649.jpg?itok=4DqJs5gs 800w)
Departments/Divisions
Department of Health Policy and Management
Research Interests
Community Health, Global Health, Healthcare Policy, Public Health Education
Academic Appointments
- Lecturer in the Department of Health Policy and Management
- Instructor, Program in Global and Population Health, Vagelos College of Physicians and Surgeons
![Steven Katz Profile Headshot](https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_200/public/cups-profile/headshot/4d7d0360-7bbc-11ed-ac31-95331ecef93f.jpg?itok=jZspusVp 200w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_260/public/cups-profile/headshot/4d7d0360-7bbc-11ed-ac31-95331ecef93f.jpg?itok=R_nSP1fT 260w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_320/public/cups-profile/headshot/4d7d0360-7bbc-11ed-ac31-95331ecef93f.jpg?itok=UxCW4jue 320w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_400/public/cups-profile/headshot/4d7d0360-7bbc-11ed-ac31-95331ecef93f.jpg?itok=D6C1Z6J- 400w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_520/public/cups-profile/headshot/4d7d0360-7bbc-11ed-ac31-95331ecef93f.jpg?itok=a8lLwMXy 520w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_640/public/cups-profile/headshot/4d7d0360-7bbc-11ed-ac31-95331ecef93f.jpg?itok=Cj317RWW 640w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_800/public/cups-profile/headshot/4d7d0360-7bbc-11ed-ac31-95331ecef93f.jpg?itok=RCzHaqdu 800w)
Departments/Divisions
Department of Health Policy and Management
Research Interests
Aging, Healthcare Policy
Academic Appointments
- Adjunct Assistant Professor of Health Policy and Management
![Katherine M Keyes, PhD, MPH Profile Headshot](https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_200/public/cups-profile/headshot/f5c00f50-d48f-11ed-b74f-a5fa223057d4.png?itok=Dx9jwMm6 200w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_260/public/cups-profile/headshot/f5c00f50-d48f-11ed-b74f-a5fa223057d4.png?itok=5E4oqPA8 260w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_320/public/cups-profile/headshot/f5c00f50-d48f-11ed-b74f-a5fa223057d4.png?itok=iXNDoMc2 320w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_400/public/cups-profile/headshot/f5c00f50-d48f-11ed-b74f-a5fa223057d4.png?itok=52U2ZSgU 400w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_520/public/cups-profile/headshot/f5c00f50-d48f-11ed-b74f-a5fa223057d4.png?itok=abN1omQA 520w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_640/public/cups-profile/headshot/f5c00f50-d48f-11ed-b74f-a5fa223057d4.png?itok=jBMF9RbC 640w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_800/public/cups-profile/headshot/f5c00f50-d48f-11ed-b74f-a5fa223057d4.png?itok=O-I1dZy4 800w)
Departments/Divisions
Department of Epidemiology, Department of Psychiatry
Research Interests
Biostatistical Methods, Child and Adolescent Health, Chronic disease, Community Health, Food Policy and Obesity, Global Health, LGBT health, Mental Health, Public Health Education, Substance Use
Academic Appointments
- Professor of Epidemiology
![Marianthi-Anna Kioumourtzoglou Profile Headshot](https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_200/public/cups-profile/headshot/0399d620-becd-11ed-bec5-931a3e52a5eb.jpg?itok=vPAyMo7s 200w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_260/public/cups-profile/headshot/0399d620-becd-11ed-bec5-931a3e52a5eb.jpg?itok=zq7k1Mwm 260w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_320/public/cups-profile/headshot/0399d620-becd-11ed-bec5-931a3e52a5eb.jpg?itok=2HuJ2DeB 320w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_400/public/cups-profile/headshot/0399d620-becd-11ed-bec5-931a3e52a5eb.jpg?itok=iC44D2vR 400w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_520/public/cups-profile/headshot/0399d620-becd-11ed-bec5-931a3e52a5eb.jpg?itok=SEyhRsH9 520w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_640/public/cups-profile/headshot/0399d620-becd-11ed-bec5-931a3e52a5eb.jpg?itok=lGz0evh9 640w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_800/public/cups-profile/headshot/0399d620-becd-11ed-bec5-931a3e52a5eb.jpg?itok=jRO7Jk4W 800w)
Departments/Divisions
Department of Environmental Health Sciences
Research Interests
Biostatistical Methods, Chronic disease, Community Health, Environmental Health, Maternal and Reproductive Health, Mental Health, Urban Health
Academic Appointments
- Associate Professor of Environmental Health Sciences
![Pokala Ravi Kiran, MD Profile Headshot](https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_200/public/cups-profile/headshot/6a861e60-e4a6-11ea-9739-29851ef36139.jpg?itok=kdQKZ_-z 200w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_260/public/cups-profile/headshot/6a861e60-e4a6-11ea-9739-29851ef36139.jpg?itok=RWBk9Vmo 260w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_320/public/cups-profile/headshot/6a861e60-e4a6-11ea-9739-29851ef36139.jpg?itok=tRm2vTzx 320w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_400/public/cups-profile/headshot/6a861e60-e4a6-11ea-9739-29851ef36139.jpg?itok=20QAR5BL 400w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_520/public/cups-profile/headshot/6a861e60-e4a6-11ea-9739-29851ef36139.jpg?itok=bTrc2p0N 520w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_640/public/cups-profile/headshot/6a861e60-e4a6-11ea-9739-29851ef36139.jpg?itok=rxmvwR4C 640w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_800/public/cups-profile/headshot/6a861e60-e4a6-11ea-9739-29851ef36139.jpg?itok=evrb0KdD 800w)
Departments/Divisions
Department of Epidemiology, Department of Surgery, Division of Colorectal Surgery
Accepting New Patients
Virtual Visits/Telehealth
Specialties
Colon and Rectal Surgery, Surgery, Cancer Care
Research Interests
Inflammatory bowel disease, clinical quality and patient outcomes
Academic Appointments
- Kenneth A. Forde Professor of Surgery (in Epidemiology)
Primary Location
CUIMC/Herbert Irving Pavilion
161 Fort Washington Avenue
New York, NY 10032
Schedule an Appointment
New and Existing Patients:
![Norman Kleiman, PhD, MS Profile Headshot](https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_200/public/cups-profile/headshot/35e4de40-5eb0-11ed-baab-0581bad8ff37.jpg?itok=5QGUBaVG 200w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_260/public/cups-profile/headshot/35e4de40-5eb0-11ed-baab-0581bad8ff37.jpg?itok=uMmrz7RP 260w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_320/public/cups-profile/headshot/35e4de40-5eb0-11ed-baab-0581bad8ff37.jpg?itok=Qsacp6qL 320w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_400/public/cups-profile/headshot/35e4de40-5eb0-11ed-baab-0581bad8ff37.jpg?itok=fHzYeHLF 400w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_520/public/cups-profile/headshot/35e4de40-5eb0-11ed-baab-0581bad8ff37.jpg?itok=XBNwtWrr 520w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_640/public/cups-profile/headshot/35e4de40-5eb0-11ed-baab-0581bad8ff37.jpg?itok=JqZdPRoO 640w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_800/public/cups-profile/headshot/35e4de40-5eb0-11ed-baab-0581bad8ff37.jpg?itok=ifN4479V 800w)
Departments/Divisions
Department of Environmental Health Sciences
Research Interests
Aging, Environmental Health, Genetics, Public Health Education
Academic Appointments
- Associate Professor of Environmental Health Sciences at CUMC
![Jennie Kline, PhD Profile Headshot](https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_200/public/cups-profile/headshot/7d4ba3c0-764a-11ed-b474-d9f0bbd2febe.jpg?itok=6il6Orw4 200w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_260/public/cups-profile/headshot/7d4ba3c0-764a-11ed-b474-d9f0bbd2febe.jpg?itok=vtldA-0m 260w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_320/public/cups-profile/headshot/7d4ba3c0-764a-11ed-b474-d9f0bbd2febe.jpg?itok=LMrY_Do4 320w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_400/public/cups-profile/headshot/7d4ba3c0-764a-11ed-b474-d9f0bbd2febe.jpg?itok=jI8npZhe 400w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_520/public/cups-profile/headshot/7d4ba3c0-764a-11ed-b474-d9f0bbd2febe.jpg?itok=KavD3b6h 520w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_640/public/cups-profile/headshot/7d4ba3c0-764a-11ed-b474-d9f0bbd2febe.jpg?itok=SgImE3oP 640w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_800/public/cups-profile/headshot/7d4ba3c0-764a-11ed-b474-d9f0bbd2febe.jpg?itok=wm5lQPss 800w)
Departments/Divisions
Department of Epidemiology
Academic Appointments
- Adjunct Professor of Epidemiology in the Gertrude H. Sergievsky Center
![Robert Klitzman, MD Profile Headshot](https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_200/public/cups-profile/headshot/b13a5640-c433-11ed-98b5-5dfb006386a7.jpg?itok=8bqrnomo 200w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_260/public/cups-profile/headshot/b13a5640-c433-11ed-98b5-5dfb006386a7.jpg?itok=CNCNyKPt 260w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_320/public/cups-profile/headshot/b13a5640-c433-11ed-98b5-5dfb006386a7.jpg?itok=6bR0uHAG 320w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_400/public/cups-profile/headshot/b13a5640-c433-11ed-98b5-5dfb006386a7.jpg?itok=RqZH4JTo 400w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_520/public/cups-profile/headshot/b13a5640-c433-11ed-98b5-5dfb006386a7.jpg?itok=l2AEaBYZ 520w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_640/public/cups-profile/headshot/b13a5640-c433-11ed-98b5-5dfb006386a7.jpg?itok=OrOlDggZ 640w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_800/public/cups-profile/headshot/b13a5640-c433-11ed-98b5-5dfb006386a7.jpg?itok=XMb_wLJD 800w)
Departments/Divisions
Department of Psychiatry, Division of Gender, Sexuality, and Health, Department of Sociomedical Sciences
Research Interests
Genetics, Global Health, Healthcare Policy, HIV/AIDS, Infectious Diseases, Maternal and Reproductive Health, Mental Health, Palliative and end of life care, Public Health Education, Religious/Spiritual Cognition
Academic Appointments
- Professor of Psychiatry (in Sociomedical Sciences) at CUMC
![Kim Knowlton, DrPH Profile Headshot](https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_200/public/cups-profile/headshot/491fb3a0-bd6e-11ed-8043-23d0dfddb863.jpeg?itok=8UC8heKi 200w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_260/public/cups-profile/headshot/491fb3a0-bd6e-11ed-8043-23d0dfddb863.jpeg?itok=FlivgrEv 260w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_320/public/cups-profile/headshot/491fb3a0-bd6e-11ed-8043-23d0dfddb863.jpeg?itok=QLTd9YlL 320w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_400/public/cups-profile/headshot/491fb3a0-bd6e-11ed-8043-23d0dfddb863.jpeg?itok=D8n14bZE 400w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_520/public/cups-profile/headshot/491fb3a0-bd6e-11ed-8043-23d0dfddb863.jpeg?itok=iXGQ03LX 520w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_640/public/cups-profile/headshot/491fb3a0-bd6e-11ed-8043-23d0dfddb863.jpeg?itok=EopdBJwZ 640w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_800/public/cups-profile/headshot/491fb3a0-bd6e-11ed-8043-23d0dfddb863.jpeg?itok=WXICJBlp 800w)
Departments/Divisions
Department of Environmental Health Sciences
Research Interests
Environmental Health
Academic Appointments
- Assistant Clinical Professor of Environmental Health Sciences
![Justin Knox Profile Headshot](https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_200/public/cups-profile/headshot/6f6f7250-62ed-11ee-aff1-d1ff263f6b94.jpg?itok=koaImOXn 200w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_260/public/cups-profile/headshot/6f6f7250-62ed-11ee-aff1-d1ff263f6b94.jpg?itok=evzBgrPu 260w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_320/public/cups-profile/headshot/6f6f7250-62ed-11ee-aff1-d1ff263f6b94.jpg?itok=yDP6bR0m 320w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_400/public/cups-profile/headshot/6f6f7250-62ed-11ee-aff1-d1ff263f6b94.jpg?itok=FXSyFokE 400w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_520/public/cups-profile/headshot/6f6f7250-62ed-11ee-aff1-d1ff263f6b94.jpg?itok=kp68DcTG 520w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_640/public/cups-profile/headshot/6f6f7250-62ed-11ee-aff1-d1ff263f6b94.jpg?itok=p-oD5edC 640w, https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_800/public/cups-profile/headshot/6f6f7250-62ed-11ee-aff1-d1ff263f6b94.jpg?itok=e4ASRcc9 800w)
Departments/Divisions
Department of Sociomedical Sciences
Academic Appointments
- Assistant Professor of Clinical Implementation Science and Intervention (in Psychiatry and Sociomedical Sciences)