Sen. Stack was elected to a second term in the state Senate in November 2004 by more votes than any Democrat in the history of the 5th Senatorial District. His district includes Northeast Philadelphia, Port Richmond, Bridesburg and Kensington. He has been a relentless advocate for senior citizens, education, health care and jobs.

Sen. Stack is Democratic Chairman of the Senate Banking & Insurance Committee and serves as a committee member of: Aging & Youth, Appropriations, Judiciary, Law & Justice and Veterans Affairs & Emergency Preparedness.

Sen. Stack serves in our military as an officer in the U.S. Army Judge Advocate General Corps (Pennsylvania National Guard 28th Infantry Battalion). He completed basic officer leadership courses at Fort Benning, GA and Fort Lee, VA, and the U.S. Army Judge Advocate General School at Charlottesville, VA.

He earned his law degree from Villanova University Law School in 1992. He is a graduate of LaSalle College High School and of LaSalle University.

During the Administration of Gov. Robert P. Casey, Sen. Stack was Executive Deputy Director of the Pennsylvania Medical Professional Liability Catastrophic Loss Fund.