Complex sentence: William Stein (born February 21,1974 in Santa Barbara, California) is a associate professor of mathematics at the University of Washington and the lead developer of Software for Algebra and Geometry Experimentation.
Split into simpler sentences: William Stein (born February 21,1974 in Santa Barbara, California) is a associate professor of mathematics at the University of Washington. Stein is the lead developer of Software for Algebra and Geometry Experimentation.