A look at the backgrounds of the candidates running in the April 26 primary for the Democratic and Republican nominations for U.S. Senate:

Joe Sestak

AGE: 64 (Dec. 12, 1951)

PARTY: Democrat

EDUCATION: B.S., U.S. Naval Academy (1974); master’s degree, Harvard University (1981); Ph.D., Harvard (1984).

EXPERIENCE: Officer (vice admiral), U.S. Navy, (1974-2006); White House director for defense policy (1994-97); U.S. representative, Pennsylvania’s 7th District (2007-2011); unsuccessful candidate for U.S. Senate (2010); recipient, General Omar N. Bradley Chair in Strategic Leadership (2013-14).

FAMILY: Sestak and his wife, Susan, live in Edgmont, Delaware County. They have one child.

WEBSITE: joesestak.com

Katie McGinty

AGE: 52 (May 11, 1963)

PARTY: Democrat

EDUCATION: B.S., St. Joseph’s University (1985); J.D., Columbia University Law School (1988).

EXPERIENCE: Legislative assistant to U.S. Sen. Al Gore (1989-1993); chairwoman, White House Council on Environmental Quality (1993-1998); adviser to Gore presidential campaign (2000); vice president, Natsource LLC (2001-2003); secretary, Pennsylvania Department of Environmental Protection (2003-2008); senior vice president, Weston Solutions (2010-2013); unsuccessful candidate for governor (2014); chairwoman, Campaign for a Fresh Start (2014); chief of staff, Gov. Tom Wolf’s administration (2015).

FAMILY: McGinty and her husband, Karl Hausker, live in Wayne, Chester County. They have three daughters.

WEBSITE: katiemcginty.com

John Fetterman

AGE: 46 (Aug. 15, 1969)

PARTY: Democrat

EDUCATION: B.S., Albright College (1991); master’s, University of Connecticut (1993); master’s, Harvard University (1999).

EXPERIENCE: Member, AmeriCorps (1995-1997); program coordinator, Braddock Out of School Youth Program (2001-2006); founder, Braddock Redux (2003-present); mayor, Braddock Borough (2005-present).

FAMILY: Fetterman and his wife, Gisele, live in Braddock, Allegheny County. They have three children.

WEBSITE: johnfetterman.com

Pat Toomey

AGE: 54 (Nov. 17, 1961)

PARTY: Republican

EDUCATION: B.S., Harvard University (1984).

EXPERIENCE: Investment banker, Chemical Bank (1984-86), Morgan Grenfell Co. (1986-90); financial consultant, Springfield Limited (1990-91); restaurateur (1990-2001); U.S. representative, Pennsylvania’s 15th District (1999-2005); unsuccessful candidate for U.S. Senate (2004); president, Club for Growth (2005-09); co-chairman, Team Capital Bank (2005-09); U.S. senator, Pennsylvania (2011-present).

FAMILY: Toomey and his wife, Kris, live in Zionsville, Lehigh County. They have three children.

WEBSITE: toomeyforsenate.com