[3] He is the executive director of Metanexus Institute, an organization which worked closely with the John Templeton Foundation to promote "dialogue and interactive syntheses between religion and the sciences internationally".
[5] Grassie was arrested in several non-violent civil disobedience actions and was a symbolic war tax resister.
[6] Grassie and David Falls, another employee of the Religious Society of Friends, a Quaker organization, refused to pay federal taxes on the grounds that it would support nuclear war, but a judge ruled, in a civil suit by the Internal Revenue Service in 1990, that the church was obliged to enforce levies against the salaries of the two employees.
"[7] In 1987 and 1988, Grassie worked as a community organizer in southwest Germantown, Philadelphia, and organized the "Three Hundred Anniversary Celebration of the Germantown Protest Against Slavery" in commemoration of the first European protest against slavery in the New World (1688).
[9] Grassie earned a Ph.D. in comparative religion from Temple University in 1994 and was an assistant professor in its "Intellectual Heritage Program".