Chet Tchozewski is an environmental activist, social entrepreneur and founder of the RTC Impact Fund and the Global Greengrants Fund. He has served on the boards of the Chino Cienega Foundation, the Voqal Fund, the Environmental Grantmakers Association, and many others.

Chet was an activist and organizer in the peace and environmental movements in Boulder, Colorado from 1978-1987. He was affiliated with many organizations: Rocky Flats Truth Force (1978), Rocky Flats Coalition (1979), American Friends Service Committee (1980-83), Rocky Mountain Peace Center (1983-87), Eco, Cycle (1984-87), and Boulder Shelter for the Homeless (1986).