One of the best things you can do to dive into entrepreneurship is to start meeting people in the community! Here are some places to start.
Undergraduate clubs
Columbia Organization for Rising Entrepreneurs
Graduate clubs: The school that supports each group is listed below, but membership is not always limited to that school (particularly those formed around a particular interest or industry).
Columbia Entrepreneurs Organization (CBS)
Columbia Social Enterprise Club (CBS)
Columbia Healthcare Ventures (MPH)
Columbia Impact Investing Initiative, Ci3 (SIPA)
Columbia Social Entrepreneurship Group (SIPA)
Environmental Entrepreneurs (Earth Institute)
Health Tech Assembly (MPH, CUIMC, SEAS)
Law and Entrepreneurship Society (LAW)
Alumni