William L. Schleifer practices in Rivkin Radler’s Professional Liability Practice Group where he defends claims against attorneys, insurance brokers and agents, and officers and directors in state and federal courts.

Prior to joining Rivkin Radler, William defended cases involving professional malpractice, mass tort litigation, construction accidents implicating the Labor Law, contractual indemnification, and insurance coverage disputes. He also has appellate experience and has successfully argued appeals in both state court and the Second Circuit Court of Appeals.

While in law school, William was an intern for the Honorable Harold Baer Jr. in the Southern District of New York and worked as a law clerk in a large national insurance firm’s office of general counsel.

From 2017 to 2023, William has been named to the Super Lawyers New York Metro Rising Stars l, which recognizes only 2.5% of the lawyers in New York in practice for 10 years or less.

William is an active member of the Nassau County Bar Association and has judged the Nassau County Bar Association’s Moot Court competition every year since 2017.