Our Alumni
![](https://www.gsas.cuimc.columbia.edu/sites/default/files/styles/cola_media_200_16_9/public/media/images/2022-10/graduate.jpg?itok=va6KsCjH 200w, https://www.gsas.cuimc.columbia.edu/sites/default/files/styles/cola_media_260_16_9/public/media/images/2022-10/graduate.jpg?itok=11jx17yj 260w, https://www.gsas.cuimc.columbia.edu/sites/default/files/styles/cola_media_320_16_9/public/media/images/2022-10/graduate.jpg?itok=pOUaripF 320w, https://www.gsas.cuimc.columbia.edu/sites/default/files/styles/cola_media_400_16_9/public/media/images/2022-10/graduate.jpg?itok=Vqx3V5Z7 400w, https://www.gsas.cuimc.columbia.edu/sites/default/files/styles/cola_media_520_16_9/public/media/images/2022-10/graduate.jpg?itok=wtUgpsdS 520w, https://www.gsas.cuimc.columbia.edu/sites/default/files/styles/cola_media_640_16_9/public/media/images/2022-10/graduate.jpg?itok=rmEC8WfS 640w, https://www.gsas.cuimc.columbia.edu/sites/default/files/styles/cola_media_800_16_9/public/media/images/2022-10/graduate.jpg?itok=wxzGhRBS 800w, https://www.gsas.cuimc.columbia.edu/sites/default/files/styles/cola_media_1040_16_9/public/media/images/2022-10/graduate.jpg?itok=lv7MJCaC 1040w, https://www.gsas.cuimc.columbia.edu/sites/default/files/styles/cola_media_1280_16_9/public/media/images/2022-10/graduate.jpg?itok=keoO8oOA 1280w, https://www.gsas.cuimc.columbia.edu/sites/default/files/styles/cola_media_1600_16_9/public/media/images/2022-10/graduate.jpg?itok=HnfvHjpO 1600w)
Crystal Colón Ortiz, PhD, Class of 2022
Current position: Postdoctoral Researcher, Duke University
Chelsea Dieck Edwin, PhD, Class of 2019
Current position: Principal Scientist I, Novartis Institute for Biomedical Research
Ravi Sheth, PhD, Class of 2019
Current position: Co-Founder and Chief Scientific Officer, Kingdom Supercultures
Edward Twomey, PhD, Class of 2018
Current position: Assistant Professor of Biophysics and Biophysical Chemistry, Assistant Professor of Neuroscience, and Director of the Beckman Center for Cryo-EM , Johns Hopkins University School of Medicine