Mr. Flaherty joined Keches Law Group, P.C. in 2004 with a background in the construction industry. He is a former member of the Local 7 Steel and Ironworkers Union. Attorney Flaherty represents injured workers in all phases of workers' compensation litigation including Conciliations, Conferences and Hearings before Administrative Law Judges at the Department of Industrial Accidents. He also handles Social Security Disability claims, as well as, cases involving employment discrimination, sexual harassment and wrongful termination. Before joining Keches Law Group, P.C., Mr. Flaherty interned with the Norfolk County District Attorney's Office.

Since 2012, Mr. Flaherty has been the Co-Chair of the Workers' Compensation Section of the Massachusetts Academy of Trial Attorneys. He has been on the Board of Directors of the Bristol County Bar Association since 2011 and has been President of the Taunton Bar Association since 2011. Sean was the recipient of Massachusetts Lawyers Weekly Excellence in The Law Award in 2011 and in 2012 was named in Boston Magazine's Super Lawyers edition as one of Massachusetts' "Rising Stars". Sean has also been selected to the Massachusetts Super Lawyers List for Workers' Compensation in 2017, 2018 and 2019.

Attorney Flaherty received his bachelor's degree summa cum laude from Quinnipiac University. While at Quinnipiac University, Mr. Flaherty was named to the Phi Beta Kapa International Honor Society. He earned his law degree from New England School of Law and is admitted to practice law in Massachusetts