Peer Advising

GS Peer Advisors are students who wish to provide support and advice about the opportunities and challenges at Columbia. Peer advisors are available to discuss academics, campus resources, personal concerns, and the transition to GS at either in-person walk-in hours or by scheduling an appointment.


Undergraduate Peer Advisors
[email protected]

Spring 2024 GS Peter J. Awn Lounge Walk-In Hours

Mondays: 10 – 11 a.m., 12 – 1 p.m., and 2:30 – 3:30 p.m.

Tuesdays: 10 – 11 a.m.

Wednesdays: 10 – 11 a.m., 1 – 2 p.m., and 4 – 6 p.m.

Thursdays: 11:30 a.m. – 1 p.m.

Spring 2024 Virtual Walk-In Hours

Mondays: 5:30 – 6:30 p.m. 

Wednesdays: 5:30 – 6:30 p.m. 

Fridays: 5:30 – 6:30 p.m. 

Peer Advisors

Liam McGrane
Philosophy/Computer Science
Originally from UK, Liam moved to NYC in 2019. Returning to further education after six years in retail. Looking to double major in Philosophy and Computer Science. Since joining GS, Liam has worked on GSSC as Vice President of Campus Life and contributed to The Columbia Spectator as a cartoonist.

Caleb Bowen
Caleb is a Coast Guard Veteran from Peachtree City, GA. After high school Caleb served as a helicopter mechanic in the U.S. Coast Guard for 5 years. Stationed in Miami, FL and New Orleans, LA. After his service, Caleb decided to go to college and pursue a B.A. in English. Caleb has served on the executive board for MilVets, performed with Columbia SHARP, and currently serves as the Vice-chair on the Student Governing Board.

Eliana Aiken
Neuroscience and Behavior / Political Science
Eliana is a fourth-year student in GS and starting her first year at SIPA as part of the Five-Year Joint Degree Program, pursuing a Master in International Affairs. At Columbia, Eliana is a Peer Advisor, Saltzman Student Scholar, and member of Pi Sigma Alpha. Eliana is from the Bay Area and enjoys spending time in nature, barre workouts, and painting.

Ana Valeria Vázquez Navas
Sustainable Development
Born and raised in Puerto Rico. She is part of the Dual BA between Sciences Po and Columbia University with a major in Economics and Sustainable Development. She forms parts of various associations including CU Boricuas, and AXO Columbia.

Montana Roesch
Montana is a native New Yorker raised in San Francisco. Life circumstances resulted in her being unable to attend college right out of high school. Instead, she moved to Los Angeles and continued to pursue her childhood dream, working as an actress. Her credits include shows on HBO, Netflix, and the independent film circuit; she has produced plays and live events in Los Angeles and London. Pivoting from the industry shutdown during COVID, Montana began her pursuit of a bachelor's degree with Santa Monica College (where she earned two associate degrees) from which she transferred with highest honors into Columbia University in the fall of 2022. When Montana is not completing her B.A. as an English Department major she can be found working as a mentor with Read Ahead, exploring New York city's vast arts offerings, sipping coffee at Blue Bottle, traveling abroad, or volunteering at her cousin's Long Island based animal sanctuary, Critterville Farms.

Aditya Krishna
Financial Economics
Born in India, growing up in Singapore, Aditya is a rising senior studying Financial Economics. Prior to joining Columbia, he spent 2 years in Singapore's Armed Forces as a Combat Engineer.