Suslovic, born in Methuen, Massachusetts in 1959, attended Phillips Academy and proceeded to earn a bachelor's degree from Wesleyan University, where he majored in government.
In a competitive, four-way race in 2008, former Ocean Properties employee Dory Waxman defeated Suslovic's bid to return to the City Council.
During his term on the City Council, Suslovic has worked on a variety of issues, including improving public transportation in Portland, increasing environmentally sustainable practices in area schools and businesses, and advocating for gun control laws that keep firearms from falling in the wrong hands.
[6] Suslovic has also led the efforts to encourage composting in Portland's public schools and chairs the Green Packaging Working Group, which is tasked with developing an ordinance to ban the use of containers made from polystyrene foam and to identify ways to reduce the use of plastic bags.
[9] A board member of Maine Citizens Against Handgun Violence, Suslovic has advocated for local municipalities to have the flexibility to craft gun laws that are more strict than state statutes.