Roger Anthony Barton

Puhdas Energia Oy develops and markets biomass gasifiers. It offers automated biomass gasification-based solutions for industrial applications and heat & power generation copmpanies. It was founded in 2001 and is headquartered in Tampere, Finland.

The Ontario Teachers' Pension Plan Board (OTPPB) is the Province of Ontario’s pension fund manager headquartered in Toronto, Canada. Founded in 1990, OTPPB administers a defined benefit pension plan to active and retired teachers in Ontario. The firm manages investment portfolios for the benefit of present and future plan members and their survivors. OTPPB is a signatory to the UN Principles for Responsible Investment (UNPRI).