Reuben is an award-winning entrepreneur with over 20 years’ experience founding and growing startups. His smart home energy spinout, Joulo, won the British Gas Connected Homes award and was acquired by Quby. Reuben was a leading figure in entrepreneurship, founding the Future Worlds accelerator, through which he mentored over 250 entrepreneurs across 50 companies. He has a degree in Electronics, a PhD in integrated circuit design, is a named author on over 45 academic papers and has five patents. He is currently Head of Ventures at Blackfinch where he has led over 80 investments worth more than £60m into a portfolio of high-tech high-growth Seed and Series-A stage companies. He sits on the boards of many of these, actively supporting founders and their teams through different stages of growth. Reuben is also a bord director of the publicly listed Blackfinch Spring Venture Capital Trust.

Tim brings extensive experience in renewable energy finance, development, and technology deployment. He holds an MSc in Sustainability and Corporate Responsibility and has led large-scale energy projects, managing departments and generating significant revenue. Prior to joining Blackfinch, Tim founded a consultancy firm advising energy companies and investors, supporting Blackfinch's Energy and Ventures teams, and currently serves on the investment committee for the group’s listed infrastructure fund.