Mark Phillips – Startup Investor Profile

Mark Phillips is the Managing Partner at 11 Tribes Ventures, a venture capital firm based in Chicago, Illinois. The firm’s investment thesis focuses on promoting human flourishing by catalyzing the potential of purpose-driven entrepreneurs. Mark Phillips oversees a portfolio of 33 companies with a 2.7X MOIC and a 62.7% IRR in Fund 1. Their geographical preference includes the United States; primarily investing in Enterprise Applications and High Tech sectors. The stage of investment at 11 Tribes Ventures is early-stage, with a special focus on seed rounds. Mark Phillips has led investments in companies like Breshna and Season Share. The check size is around $250,000, with a unique initiative to support founder’s mental well-being. Mark Phillips has a track record of operational and industry experience, positioning him as a skilled investor. Collaboration and partnership styles at 11 Tribes Ventures are not specified in the available data.

Location: Chicago, Illinois

Country: United States of America

Investment Regions:

Investment Stages: pre-seed, seed

Website: https://www.11tribes.vc/team/mark-phillips/

AI Reasoning: Search found a recent 11 Tribes Ventures investment: CommanderAI on Sep 30, 2025. That is less than 6 months before the reference date, and Mark Phillips is listed as Managing Partner at 11 Tribes Ventures and part of the team that leads investments (examples include Season Share Oct 03, 2023 and Breshna Jun 06, 2022). The most recent firm investment (CommanderAI, Sep 30, 2025) indicates activity within the last 6 months; therefore classify as very-active.

Low Activity – Only known angel investments more than 12 months ago.

Active – Known angel investments between the last 12 and 6 months.

Very Active – Known angel investments in the last 6 months.