Rochelle Vayntrub '22 


Rochelle (she/her) is a rising senior at Barnard College majoring in Neuroscience and Behavior. She has an insatiable sweet tooth and so conducts research on sugar and artificial sweeteners under Professor John Glendinning. In her free time, she enjoys jogging and listening to Science Vs podcasts, usually simultaneously.

Rochelle (she/her) smiles in front of a background of trees and grass. She is wearing a green and white rugby-style shirt. 


Introducing Grey Matters CU's 2021 E-Board! Hover on each photo to learn more about our members and how they contribute to the scientific community outside of GMCU.


Rebecca Yeh '22


Rebecca is a senior at Barnard from New Jersey studying Neuroscience and Behavior with a cellular concentration. Her passion for discussing her research to non-STEM peers inspired her to co-found GMCU! She wants to encourage the curiosity of the brain and mitigate the daunting nature that comes with neuroscience. You can find her working on pediatric brain tumors and immunotherapy at the medical center or going on long walks in the city with an americano in hand.

Rebecca (she/her) wears a lilac tank top and rests her chin on her hand and smiles towards the camera. 

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Blue Morris '22

Senior Editor: Generative Editing

Blue is a junior in Columbia College studying psychology. He works in the Higgins Lab at Columbia University investigating aspects of regulatory mode in the field of social psychology. He is from and currently resides in Savannah, Georgia, and his interests are in neuropsychology and foreign language/linguistics. He hopes to become a clinical neuropsychologist in the future and is excited to serve as a senior editor for Grey Matters CU! 

Blue (he/him) smiles with his arms crossed. He wears a plain grey shirt in front of a white stone wall.

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Marcus Cooley '23

Senior Editor: Revision Division

Marcus Cooley is a Junior in Columbia College majoring in English and Comparative Literature and concentrating in Hispanic Studies. He is passionate about creating literature and media that is accessible for all people, especially when it blends the academic and the popular. When he's not reading or helping a friend with a writing project, you can find him taking long strolls about the city. 

Elynn Chang '23

Editing Coordinator

Elynn is a junior in Columbia College from New Jersey. She is majoring in Neuroscience and is also studying Clarinet Performance through the Columbia-Juilliard Exchange Program. Outside of GMCU, you can find her giving tours through the Undergraduate Recruitment Committee, singing with Columbia Nonsequitur, or hunting down the best carrot cake in the city.  

Elynn (she/her) smiles in a black shirt, leaning against a brick wall with some trees and a basketball hoop in the background. ​

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Sylvester Benson '23

Senior Editor: Scientific Review

Sylvester (he/him) is a junior pre-med majoring in Neuroscience and Behavior. He is Research Fellow at Columbia Neurosurgery investigating glioblastomas (GBM), the most aggressive malignant brain tumor. As a neuroscience enthusiast, he is passionate about making medical breakthroughs and scientific innovations in the field more accessible to the public. In addition to GMCU,  he is also involved with Columbia BOLD and Globe-Med. During vacations and breaks, Sylvester enjoys traveling with friends to explore the country and beyond.


Vika Kulchyckyj '23 

Design Director

Vika (she/her) is a rising junior at Barnard College studying Cellular and Molecular Biology. Outside of school and GM, she works as a photographer and graphic designer, and loves spending time with her dog, Rocky.


Vika (she/her) wears a white shirt and tan coat while standing outside in a market on a sunny day. 

Ashley Chung '24

Design Director

​Ashley (she/her) is a sophomore at Columbia College from New Jersey planning to major in Neuroscience and Behavior. She is passionate about the accessibility of neuroscience and believes that scientific presentation is just as valuable as the content itself. When she's not laying out GMCU articles or doing neuro research, you can find her tutoring local students, listening to the 99% Invisible podcast, or bullet-journaling at Blue Bottle.

Ashley (she/her) looks to her right and smiles wearing a plaid trench coat in front of the NYC skyline. 

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Mariana Mohsen '23

Social Media Director

Mariana is a junior at Barnard majoring in Chemistry and minoring in Math. Outside of GMCU, she is a peer tutor and an active member of the Muslim Student Association. She is also involved in chemistry research at NYU. In her free time, she likes trying new food, spending time with friends, and playing badminton.

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Sam Hutchinson '23

Outreach Director

Sam is a junior in Columbia College majoring in computer science and psychology. He is passionate about the underlying connections between neuroscience and other disciplines, particularly in regards to language and symbolic representation. Outside of GMCU, Sam spends his days as a TA for linguistics courses and hunting down the best slice of pizza in NYC.

Gabby Griffith '23

Diversity Director

Gabby is a junior at Barnard College majoring in Neuroscience & Behaviors with a possible minor in Science & Public Policy. She loves the complexity of the brain and all that neuroscience has to offer. Gabby is passionate about college access for underrepresented students, and healthcare equity. In her free time, she enjoys spending time with her dog, and reading at cafés.

Lila Baer '23

Podcast Director

Lila Baer (she/her) is a junior at Barnard from Memphis, TN majoring in Neuroscience. She is a podcast enthusiast - her top recommendations are How I Built This, Ologies, and of course, the Grey Matters Podcast (first episode just released!). In her free time you'll probably find her chilling outside to get all the sun she can! 

Wadzi Mayiseni '23

Accessibility Director

Wadzi is a junior in Columbia College majoring in Neuroscience & Behavior with a special concentration in Public Health. She works as an assistant in the Abdus-Saboor lab at Zuckerman Institute researching acute and chronic pain behavior. When free, you will find her listening to Afro-jazz, hanging out with friends, or exploring restaurants and museums in the city.

Wadzi (she/her) smiles in a white shirt and pink coat with some withered trees in the background. 


Hailey Kopp '25

Interim Art Director

Hailey (she/her) is a freshman at Barnard College from California. She plans to major in Neuroscience and Behavior. While she is passionate about science, she also loves the arts, whether that be visual or performing. When she is not onstage performing in Shakespeare plays, she loves to explore her creativity in digital art and writing. She is excited to serve as Interim Art Director for Grey Matters CU!

Hailey (she/her) smiles in a burnt orange shirt in front of a plain white background.