Why Marriage Matters Ohio, the four-month old campaign by a coalition of civil and human rights groups, has brought on PR counsel and a political strategist to lead its campaign to repeal a state constitutional amendment and legalize same-sex marriage in the Buckeye State.

ohioPaul Werth Associates of Columbus was tapped for strategic communications. Senior VP Kimber Perfect, who was Ohio's chief marketing officer, leads the account with support from A/S Amanda Wurst, former press secretary for ex-Gov. Ted Strickland.

WMMO, backed by the Equality Ohio Education Fund, the American Civil Liberties Union Foundation of Ohio and the Human Rights Campaign Foundation, among others, has also hired strategist Michael Premo to manage the campaign. Premo is fresh off a successful legal campaign for marriage equality in New Jersey.

Sixteen states and the District of Columbia have legalized same-sex marriage, an effort that gained steam in the wake of the Supreme Court's U.S. v. Windsor decision in June.

Ohio voters in 2004 amended the state constitution to define marriage as between one man and one woman and forbid civil unions and domestic partnerships. The WMMO campaign seeks to repeal the amendment, likely through a via ballot initiative in 2014.

Polls have Ohio residents evenly split on the issue.