Preventing human waste from polluting waterways
Arksen is a purpose-driven company creating adventure vessels, vehicles, and experiences that inspire exploration while supporting ocean conservation, scientific research, and environmental action.
ClientEarth is an environmental law organisation that uses the power of the law to protect nature, tackle climate change, and hold governments and businesses accountable for environmental action.
Earth Law Center works to transform legal systems by recognising the inherent rights of nature, helping ecosystems thrive through legal advocacy, policy development, and education.
Michael Rosen has experience at a partner and co-founder level in private equity and venture capital funds. He has evaluated, executed and managed investments across many sectors and stages, raised capital, managed teams and worked closely with portfolio companies. He was the COO of a listed investment vehicle, and most recently the CIO of Ocean Born Impact where he oversaw investment strategies focused on companies that positively impact planetary health, emphasizing areas such as the energy transition, clean transportation, sustainable production, and enabling technologies.
Earlier in his career, Michael served as a Partner at Pamplona Capital Management, where he was responsible for identifying and managing investment opportunities across various sectors. His career began as an Analyst in the Financial Sponsors Group at Merrill Lynch in London.
Michael continues to make and support impactful investments that combine environmental sustainability with technological innovation, leveraging his extensive experience in finance and investment management. His investments include impact-focused businesses such as Olio (food waste), Skin Analytics (Al for skin cancer detection), Bramble Energy (hydrogen fuel cells), and CHOOOSE (carbon-offsetting and mitigation).
Michael graduated from Oxford University in 2001 with a first class degree in PPE (Philosophy, Politics and Economics), and in 2024 he published his first novel, The Consciousness Company, about a start-up company.
Michael is currently a venture partner for the impact fund, Mustard Seed Maze, and is happy to talk about private equity, venture capital and impact investing.
