Officers and members of CVC's Global Board volunteer their time for a minimum of two years. They organize and execute monthly events; provide on-demand assistance to members and chapter leads around the world; and liaise and develop partnerships with regional alumni clubs. They're the "glue" that keeps our community up and running.

GLOBAL BOARD 2018-2019


Ryan MacCarrigan
Global President


Ryan is a San Francisco-based Lean Startup coach, consultant, and university instructor with senior leadership experience at technology startups in New York City, San Francisco, and Silicon Valley. Prior to founding his consulting practice LeanStudio, he was the head of marketing at Advsor and Lean Startup Machine. Ryan has been a speaker and facilitator at Singularity University, Lean Startup Week, the Startup Marketing Conference, and numerous other events. He was the recipient of Xero’s "Marketing Innovation Award" in 2013. Ryan previously served as West Coast President of CVC (2016-2017) after incorporating the San Francisco chapter in 2013. He is a 2008 graduate of Columbia College, where he served as a Senior Editor for two undergraduate literary magazines: Quarto and The Columbia Review.

Courtland Thomas
Global Vice-President & New York City Chapter Lead


Courtland is a NYC-based digital marketer and consumer insights consultant who has held leadership and budget-owning roles within consumer brands and tech startups for the past 5 years. By blending his experiences at F1000 companies and early stage startups, he has crafted strategies with which teams can leverage their digital investment for maximal ROI. Courtland previously served as the CVC-NYC Chapter Vice President since 2016, and the Incubation Lead since 2015. While at Columbia, he started a campus digital publication, 292 Magazine, that received recognition as NYC's “best cultural conglomerate” and led the infamous campus blog, College Advice.


Manish Sinha
San Francisco Chapter Lead


Manish is a Bay Area-based full stack engineer. He has consulted for numerous clients including Kleiner Perkins, UBS, Credit Suisse, and TIAA. Before that, he was a co-founder of an equipment sharing startup, a technology associate at Morgan Stanley and a staff assistant at the White House during the Obama administration. In his spare time, he likes to teach high school students how to code and play basketball. He has an M.S. in Computer Engineering from Columbia University.


Leigh-Ann Heidelberg
Content Strategy & Community Engagement


Leigh Ann is a New York City based hospitality professional and B.A. candidate in Economics at Columbia. Originally from Arkansas, she relocated to New York to attend The American Musical and Dramatic Academy then pursuing a career as an actress and singer, but found that she loved the production side of the industry far more. Eventually finding a passion for the food and beverage industry she changed routes and decided to attend Columbia. She is currently building a mezcal brand as a partner and brand ambassador alongside bar management and her Columbia degree.


Graham Carney
Venture Engagement


Graham has a background in finance and is a seasoned operator with a passion for inclusion in tech. He leads CVC's venture engagement and investor network initiatives and is a 2011 graduate of Columbia College. If you are a Columbia founder or entrepreneur, please feel free to reach out!


2016-2017 Global board


Kevin W. Tung — 2016-2017 Global President

Ryan MacCarrigan — 2016-2017 West Coast President

Dawn Quaker — 2016-2017 East Coast President

Amanda Gutterman — 2016-2017 Communications Chair

Keeth Smart — 2016-2017 University Liaison Chair

Michael Kraslow — 2016-2017 Student Liaison Chair