David Fitch (1969-1973), Natalie Preuss (1974-1978), John Fielden (1979-1983), Jose Morales (1986-1990), Miranda Begay (1983-1987), Marian Graves (1977-1981)
Northern Biogas president Dave Fitch said they saw the Middleton project as an opportunity to use their experience with digesters to support EnTech Solutions, an organization that shares a similar goal.