Degree in mathematics, Hebrew University, Jerusalem, 1968.
Teacher, researcher Hebrew University, from 1955, professor mathematics, from 1972, professor emeritus, from 1995. Visiting professor Princeton University, 1961—1963, City University of New York, 1966—1967, Stanford University, 1972, Rice University, 1972, Cornell University, 1984, University of California at Los Angeles, 1985, University British Columbia, 1989, Northwestern University, 1990, University of California at Los Angeles, 1990, University Virginia, Charlottesville, 2000—2004. Officer Israel Defence Army, 1948-1949, Israel.
Education The State of Israel and other organizations, Israel, 2000.
Married Hanna Steiner. Children: Yael Maschler Inbar, Amir Bahir Maschler, Gideon Bahir Maschler, Dorit Bahir Maschler(deceased).