Stephanie Weiner began investing while in college at the age of 19, serving as a founding member of student-to-student firm Dorm Room Fund at the University of Pennsylvania.

ON THE LIST: WOMEN MILLENNIALS IN VENTURE CAPITAL 2015

Now 22, Weiner looks at financial technology, retail technology and compliance startups for Bain Capital Ventures. She founded an ecommerce site in middle school and has tried her hand at founding several startups.

Fund's investment verticals: infrastructure software, application software, FinTech and healthcare.