Mr. Walsh was admitted to the Connecticut Bar in 1987 and the New York Bar in 1988. He is also admitted to practice in the Federal District Court of Connecticut, the Eastern District Court of New York, the Southern District Court of New York and the Second Circuit Court of Appeals.

From 1988 through 1989, Mr. Walsh served as a federal law clerk to the Honorable Ellen Bree Burns, who at the time was the Chief Judge, and now serves as Senior Judge, for the District of Connecticut.

Mr. Walsh is an active member of the Connecticut Trial Lawyers Association. He has been an officer of the Association since 2007, and currently holds the position of Treasurer. He currently serves on the Association's Executive Committee and Board of Governors.  He also is a member of the Continuing Legal Education Committee, Legislative Committee and Medical Malpractice Committee.

Mr. Walsh is board certified as a Civil Trial Advocate by the National Board of Trial Advocacy. Additionally, Mr. Walsh is an Advocate Member of the American Board of Trial Advocates (ABOTA).

In 2007 and then again in 2008, Mr. Walsh was selected by his peers as one of the Top 50 Connecticut Super Lawyers, as was published in Connecticut Magazine's Super Lawyer Section. In 2009, Mr. Walsh was selected as one of the top 10 Connecticut Super Lawyers and was further recognized as the third highest vote recipient in the statewide poll.

Mr. Walsh has extensive trial experience handling plaintiff's personal injury actions in Connecticut's state and federal courts. Mr. Walsh is listed as attorney of record in several reported Connecticut Supreme Court and Appellate Court decisions, including Suarez v. Sordo, Chylinski v. Walmart, Inc., Meek v. Walmart Stores, Inc., Rumbin v. Utical Mutual, Filippi v. State of Connecticut, Weigold v. Patel, and Falls Church v. Tyler, Cooper & Alcorn.

Additionally, Mr. Walsh has served as an adjunct professor at the University of Connecticut School of Law. He is a member of the Hartford County Bar Association, the American Bar Association and the American Association of Justice.

Mr. Walsh was educated at Stonehill College where he graduated with high honors in 1984, with a Bachelor of Science degree in Mathematics and Computer Science. He received his law degree from University of Connecticut in 1987, where he served on the editorial board of the Connecticut Law Review.