Jonathan Tyler is a Green Party activist and academic.Tyler was an early arliamentary candidate for the Ecology Party, in the Walsall North by-election, 1976, at a time when he was a transport lecturer at the University of Birmingham. He was the Ecology Party's Chairman for some years from 1976.Tyler would later go on to stand as a candidate in local elections. During the 1980s he was associated with attempts by the 'Maingreen' group to streamline the Green Party's internal workings. He subsequently left the Green Party, but rejoined some years later.He is now a member of York Green Party and has been Chair of York Environment Forum whilst also working as a transport consultant