Tim Warren

Vice President R&D and Quality

Tim is an Unreasonable Mentor. Tim was part of Unreasonable Food 2026, and has advised over 13 Unreasonable companies.

Tim Warren is a global R&D and innovation executive currently driving research, product development, and venture initiatives at Mars. Originally from Africa, Tim combines corporate leadership at scale—with senior roles at Mars and Unilever—with an entrepreneurial drive as the founder of Collective Cow. An enthusiastic lifelong learner passionate about emerging technologies and sustainable food innovation, Tim grounds his high-performance routine through daily meditation and open-water swimming.