About
Stephanie O'Brien represents Morningside Ventures and has extensive experience working with venture-backed technology companies. She focuses on early-stage companies, working with CEOs on building the management team and developing business plans. She has served on numerous private company boards, including ViOptiox, Inc., I-Behavior, Inc., Natural Polymer International Corp., Serica Technology, Inc., Alacer Biomedical, Inc., Inimex Pharmaceuticals, Inc. and BiddingForGood, Inc. She received her A.B., cum laude, from Harvard College and her J.D. from New York University School of Law. Prior to attending law school, Stephanie worked for Chase Manhattan Bank, N.A, where she completed the loan officer credit training program and then worked in international portfolio analysis. After law school, Stephanie spent nine years as a corporate lawyer with Hale and Dorr in the Boston and Washington, D.C. offices, working primarily with venture capital finance and start-up companies.
Position in the VCSift Database
- • 6 investors at Morningside are tracked.
- • 2,531 investors hold the Partner role in VCSift. Stephanie O'Brien is one of them.
Data sourced from 410,343 investor profiles. Updated July 2026.
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