William H. Mack

William H Mack


Bill Mack is a Partner at Phillips & Paolicelli, LLP, where he concentrates in complex mass tort, consumer fraud, and financial fraud litigation.  Bill presently serves as counsel for hundreds of Western New Yorkers suffering both personal injury and property damage as a result of toxic contamination from a nearby landfill.  Bill also represents hundreds of offshore investors in financial litigation pending in the Southern District of New York against numerous defendants, including a major international bank and a credit rating agency.  He also is presently prosecuting several product liability lawsuits, and is active in the Firm’s class action and qui tam practice areas.

Prior to joining Phillips & Paolicelli at the Firm’s inception, he spent eight years practicing in the mass tort litigation division of a major international law firm, where he managed all aspects of complex litigation.

Admitted to practice law in New York, Bill is also licensed to appear before the United States Court of Appeals for the Second Circuit, as well as the United States District Courts for the Southern, Eastern, and Western Districts of New York.  He is a member of the American Bar Association and the Association of the Bar of the City of New York.

Graduating from the University of Pennsylvania in 2000, Bill earned his Bachelor of Arts degree magna cum laude in United States history. He received his Juris Doctor degree from the Columbia University School of Law in 2003, where he was a Harlan Fiske Stone Scholar and Executive Director of the First Year Moot Court Program.