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Michael Joseph Stack III (born June 5, 1963) is an American politician serving as the 33rd and current Lieutenant Governor of Pennsylvania. A member of the Democratic Party, he was a member of the Pennsylvania State Senate, representing the 5th district, from 2001 to 2015.

Mike Stack
Liet. Gov. Michael Stack.jpg
33rd Lieutenant Governor of Pennsylvania
Assumed office
January 20, 2015
Governor Tom Wolf
Preceded by Jim Cawley
Member of the Pennsylvania Senate
from the 5th district
In office
January 2, 2001 – January 20, 2015
Preceded by Frank Salvatore
Succeeded by John Sabatina, Jr.
Personal details
Born (1963-06-05) June 5, 1963 (age 54)
Washington, D.C., U.S.
Political party Democratic
Spouse(s) Tonya Stack
Education La Salle University (BA)
Villanova University (JD)
Military service
Allegiance  United States
Service/branch  United States Army
Years of service 2008–present
Unit Judge Advocate General's Corps[1]



Stack is a graduate of La Salle College High School in the suburbs of Philadelphia and La Salle University in Philadelphia.[citation needed] He received a law degree from Villanova University.

Political careerEdit

He was the Democratic nominee for lieutenant governor of Pennsylvania in the 2014 election, running with Democratic gubernatorial nominee Tom Wolf.[2] The Wolf/Stack ticket defeated the Republican Tom Corbett/Jim Cawley ticket in the 2014 gubernatorial election. Stack took the oath of office January 20, 2015.[3][4]

Stack is ward leader of the 58th ward Democratic executive committee.[5]

Personal lifeEdit

Stack's grandfather, the first Michael J. Stack, was a U.S congressman, from 1935 to 1939.

In 2002, he was named to the PoliticsPA list of best dressed legislators.[6]

Electoral historyEdit

Pennsylvania State Senate 5th District Election, 2000
Party Candidate Votes %
Democratic Michael Stack, III 46,980 52.55
Republican Frank Salvatore (Incumbent) 42,416 47.45
Pennsylvania State Senate 5th District Election, 2004
Party Candidate Votes %
Democratic Michael Stack, III (inc.) 66,844 65.74
Republican Sam Mirarchi 34,829 34.26
Pennsylvania State Senate 5th District Election, 2008
Party Candidate Votes %
Democratic Michael Stack, III (inc.) 71,141 71.97
Republican John Farley 27,702 28.03
Pennsylvania State Senate 5th District Election, 2012
Party Candidate Votes %
Democratic Michael Stack, III (inc.) 65,587 71.65
Republican Michael Tomlinson 25,954 28.35
Pennsylvania Lieutenant Governor Democratic Primary Election, 2014
Party Candidate Votes %
Democratic Michael Stack, III 351,627 46.79
Democratic Mark Critz 119,334 15.88
Democratic Mark Smith, Jr. 109,519 14.57
Democratic Brad Koplinski 89,524 11.91
Democratic Brandon Neuman 81,438 10.84


  1. ^ "Training Ground" (PDF). The Philadelphia Lawyer. Summer 2008. 
  2. ^ Foster, Brittany (20 May 2014). "Lt. Gov.: Stack Wins Big". PoliticsPA. Retrieved 21 May 2014. 
  3. ^ Lavender, Paige (4 November 2014). "Pennsylvania Governor Election Results: Tom Wolf Defeats Incumbent Tom Corbett". Huffington Post. Retrieved 5 November 2014. 
  4. ^ "NBC News Projects: PA's Corbett Ousted by Democrat Tom Wolf". NBC News. 4 November 2014. Retrieved 5 November 2014. 
  5. ^ Committee of Seventy (2009-12-21). "2009 Citizen's Guide" (PDF). 2009 Citizen's Guide. The Committee of Seventy, Philadelphia, PA 19103. Archived from the original (PDF) on 2009-04-19. Retrieved 2009-12-21. 
  6. ^ "Sy Snyder's Best Dressed Legislators". PoliticsPA. The Publius Group. 2002. Archived from the original on 2002-08-03. 

External linksEdit

Party political offices
Preceded by
Scott Conklin
Democratic nominee for Lieutenant Governor of Pennsylvania
Most recent
Political offices
Preceded by
Jim Cawley
Lieutenant Governor of Pennsylvania