Our Team

Willem Grimminck

Founder & Partner

Seasoned impact investment professional with proven expertise in solar investments & renewable energy.

Established Energy Service Companies (ESCO) in Nepal & Bangladesh and invested in over 40 solar projects totalling 10 MW.

Director at One True Value impact investors.

Jamie Rusby

Founder & Partner

Strong track record of delivering decarbonisation in corporate value chains, including IKEA and Velux Group.

Most recently Group Director for Sustainability at VELUX Group where he was responsible for developing and driving implementation of the Group’s 2030 sustainability strategy, including commitments to halve value chain emissions and to capture the Group’s historical emissions (scope 1 and 2).

Saskia Dieleman-Jamin

Founder & Partner

Decades on-the-ground experience in global supply chains, working with procurement teams, suppliers, workers, and communities to improve sustainability impacts.

Ex sustainability leader at IKEA and Hema.