Marty  Glennon is a partner in the Long Island law firm of Archer, Byington, Glennon & Levine LLP, where he practices labor, employee benefits and employment law. He began his career as a third-generation member of the International Brotherhood of Electrical Workers, and remains a card-carrying union member.

Glennon attended the City University of New York School of Law through a scholarship and assistance from the union's Education and Cultural Fund.

While in law school, Glennon helped establish the Joe Doherty Civil Rights Fellowship with Sean Crowley, providing scholarships for CUNY law students interested in civil rights issues. (Doherty, a former member of the IRA, was a political prisoner in both Ireland and the U.S.)

Glennon is also a founding member and past president of the Brehon Law Society for Nassau County, and a member of the Brehon Council.  He has visited Ireland a number of times and has played the bagpipes in the Dublin Millennium Parade.

Glennon's family maintains a farm in Shangarry, Gurtymadden, Co. Galway.

He is married to Jennifer with two daughters, Caroline and Isabelle.

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