how do they get to that position?
Simple the Governor who is Ed Rendell appoints them like he did 3 of them below here.
Ronald D. Castille (Chief Justice)
March 16, 1944 (1944-03-16) (age 66) in Miami, Florida 1993 (retained in 2003) 2013 March 16, 2014 Private Practice (1991–1993); District Attorney, Philadelphia County (1986–1991); Deputy District Attorney, Philadelphia County (1971–1985); J.D., University of Virginia School of Law (1971); B.S., Auburn University (1966).
Thomas G. Saylor
December 14, 1946 (1946-12-14) (age 63) in Somerset County, Pennsylvania 1997 (retained in 2007) None - final term December 12, 2016 Judge, Superior Court of Pennsylvania (1993–1997); Private Practice (1987–1993); First Deputy Attorney General, Commonwealth of Pennsylvania (1983–1987); Director, Pennsylvania Bureau of Consumer Protection (1982–1983); First Assistant District Attorney, Somerset County (1973–1976); Private Practice (1972–1982); J.D., Columbia Law School (1972); B.A., University of Virginia (1969).
J. Michael Eakin
November 18, 1948 (1948-11-18) (age 61) in Mechanicsburg, Pennsylvania 2001 2011 November 18, 2018 Judge, Superior Court of Pennsylvania (1995–2001); District Attorney, Cumberland County (1984–1995); Private Practice (1980–1989); Assistant District Attorney, Cumberland County (1975–1983); J.D., Dickinson School of Law (1975); B.A., Franklin & Marshall College (1970).
Max Baer
December 24, 1947 (1947-12-24) (age 62) in Pittsburgh, Pennsylvania 2003 2013 December 24, 2017 Judge, Allegheny County Court of Common Pleas (1989–2003); Private Practice (1980–1989); Deputy Attorney General, Commonwealth of Pennsylvania (1975–1979); J.D., Duquesne University School of Law (1975); B.A., University of Pittsburgh (1971).
Debra Todd
October 15, 1957 (1957-10-15) (age 52) in Ellwood City, Pennsylvania 2007 2017 October 15, 2027 Judge, Superior Court of Pennsylvania (2000–2007); Private Practice (1982–1999); J.D., University of Pittsburgh School of Law (1982); B.A., Chatham College (1979).
Seamus P. McCaffery
June 3, 1950 (1950-06-03) (age 59) in Belfast, Northern Ireland 2007 2017 June 3, 2020 Judge, Superior Court of Pennsylvania (2003–2008); Judge, Philadelphia Municipal Court (1993–2003); J.D., Temple University School of Law (1989); B.A., La Salle University (1977); Police Officer, Philadelphia Police Department (1970–1989).
Joan Orie Melvin
April 6, 1956 (1956-04-06) (age 54) in Pittsburgh, Pennsylvania 2009 2019 April 6, 2026 Judge, Superior Court of Pennsylvania (1998–2009); Judge, Allegheny County Court of Common Pleas (1990–1998); Magistrate and Chief Magistrate, Pittsburgh Municipal Courts (1985–1990); Private Practice (1981–1985); J.D., Duquesne University School of Law (1981); B.A., Notre Dame University (1978).
That should help