Attorney Profiles

Matthew J. Mierzwa, Jr.

Matthew J. Mierzwa, Jr., is the principal of Mierzwa & Floyd, P.A., which represents labor organizations, employee benefit plans, and union members in the areas of labor law, employee benefit law, election law, and individual employment rights throughout the State of Florida. Matt's involvement in the labor movement began at an early age, as his father served as an IAM steward for decades, and continued through the academic study of unions at Harvard College and Cornell University. Since then, Matt has been involved in the representation of labor unions and employee benefit funds for almost 30 years. Matt represents both public and private sector labor organizations in negotiations, in grievance-arbitrations, in administrative proceedings before PERC and the NLRB, and in state and federal court. Matt also represents public employee and ERISA benefit funds including pension, health and welfare, retiree insurance, and joint apprenticeship training funds.

Matt graduated from Harvard College in 1977, cum laude, in Economics; did graduate work at Cornell University's New York State School of Industrial and Labor Relations; and received his Juris Doctor, magna cum laude, from the University of Miami School of Law. Matt was admitted to The Florida Bar on October 5, 1987, and is a member in good standing. He is also admitted to practice in the United States Court of Appeals for the Eleventh Circuit and for the United States District Courts for the Southern and Middle Districts of Florida. He is a member of the AFL-CIO Lawyers' Coordinating Committee, The Florida Bar's Labor and Employment Law Section, the International Foundation of Employee Benefit Plans, and the Florida Public Pension Trustees Association. He is a frequent speaker on employee benefits and labor-management issues and has taught college-level courses at Cornell University, Hobart & William Smith College, and Florida International University.

Mark W. Floyd

Mark W. Floyd is a shareholder with Mierzwa & Floyd, P.A., which represents labor organizations, employee benefit plans, and union members in the areas of labor law, employee benefit law, election law, and individual employment rights throughout the State of Florida. Mark represents both public and private sector labor organizations in negotiations, in grievance-arbitrations, in administrative proceedings before PERC and the NLRB, and in state court. Mark also represents public employee and ERISA benefit funds including pension, health and welfare, retiree insurance, and joint apprenticeship training funds. Prior to joining Mierzwa & Associates, P.A., Mark was an associate attorney with Previant, Goldberg, Uelmen, Gratz, Miller & Brueggeman, S.C., in Milwaukee, WI, where Mark represented private sector unions including the Teamsters, Carpenters, Sheetmetal Workers, Ironworkers, Bricklayers, Painters and Masons.

Mark graduated from Texas A&M University in 1998 with a Bachelor of Arts degree in Speech Communications. Mark received his Juris Doctor from the College of William and Mary's Marshall-Wythe School of Law where he was a member of the school's Moot Court team. Mark was admitted to The Florida Bar in 2003 and is a member in good standing. He is also admitted to The Wisconsin Bar and the United States District Courts for the Southern District of Florida and the Eastern and Western Districts of Wisconsin. He is a member of the AFL-CIO Lawyers' Coordinating Committee, The Florida Bar's Labor and Employment Law Section, the International Foundation of Employee Benefit Plans, and the Florida Public Pension Trustees Association.

Erin F. Medeiros

Erin F. Medeiros is an associate attorney of Mierzwa & Floyd, P.A., which represents labor organizations, employee benefit plans, and union members in the areas of labor law, employee benefit law, and election law throughout the State of Florida.  Erin represents both public and private sector labor organizations and public employee and ERISA benefit funds.  Prior to joining Mierzwa & Floyd, P.A. in 2018, Erin worked for more than 3.5 years as an associate attorney with the Previant Law Firm, S.C. in Milwaukee, Wisconsin where she represented public and private sector unions, including Carpenters, Machinists, Steamfitters, Steelworkers, and Painters.  Prior to attending law school, Erin began her career in the union-side labor and employee benefits law field as a paralegal in Boston, Massachusetts with Feinberg, Campbell & Zack, P.C., which represents public and private sector unions and their affiliated ERISA benefit funds, including Bricklayers, Painters, and Teamsters.  After four years in this position, she resigned in order to attend law school in Washington, D.C.

Erin graduated from Providence College in 2006 with a Bachelor of Arts degree, majoring in Sociology and minoring in Political Science and Black Studies. In 2013, she received her Juris Doctor from Howard University School of Law.  While at Howard Law, Erin was awarded a Peggy Browning Fellowship at AFSCME's Office of the General Counsel for Summer 2012.  During law school, she also interned as a student mediator in the Alternate Dispute Resolution Unit of the EEOC - Washington Field Office.  Erin is licensed to practice in Florida (2018) and maintains an inactive membership in the Wisconsin Bar (2014).  She is admitted to the United States Court of Appeals for the Seventh Circuit and the United States District Courts for the MIddle and Southern Districts of Florida, the Eastern and Western Districts of Wisconsin, and the Northern District of Illinois.  Erin is a member of the Florida Bar Labor and Employment Law Section.  She is also an elected Member to the Wisconsin Bar Labor & Employment Section Board for the term July 1, 2017 through June 30, 2020.  In addition to her bar memberships, she holds memberships with the AFL-CIO Lawyer's Coordinating Committee, the International Foundation of Employee Benefit Plans, and the Florida Public Pension Trustees Association.