Complex sentence: He earned a PhD from the University of Wisconsin-Madison in 1967 and has been on the faculties of Stony Brook University (1967--77), New Mexico State University, (1977--2000), and Arizona State University (2000--10).
Split into simpler sentences: He earned a PhD from the University of Wisconsin-Madison in 1967. He served on the faculties of Stony Brook University (1967-1977), New Mexico State University, (1977-2000), and Arizona State University (2000-2010).