Ralph N. Sianni

Of Counsel


Ralph N. Sianni focuses on representing investors in shareholder litigation, including class actions, corporate governance matters, and derivative litigation. He is experienced in all phases of litigation including discovery, depositions, injunction motions, settlement negotiations, mediation, and court hearings.

Prior to joining Labaton Sucharow, Ralph was the managing partner for the U.S. offices of a large London-based litigation firm. He also previously served as Senior Counsel at a national litigation firm focusing on class action litigation involving securities, mergers and acquisitions, general corporate law, antitrust, and breach of fiduciary duties.

Ralph received his J.D. from the Boston University School of Law where he was a Note Editor of the Boston University Public Interest Law Journal. He earned his M.A. from Yale University and his B.A. from the University of Pennsylvania.


Boston University School of Law
J.D., 1995

Yale University
M.A., 1991

University of Pennsylvania
B.A., 1990


1996, Pennsylvania
2001, Delaware
2002, District of Columbia
2011, New York

1999, U.S. Supreme Court

U.S. Court of Appeals
1999, Third Circuit

U.S. District Court
1999, Eastern District of Pennsylvania
2002, District of Delaware
2011, Southern District of New York