John Matthew Sullivan (born February 25, 1963) is an American mathematician who works in Germany as a professor at Technische Universität Berlin.
His research includes work on knot theory, constant-mean-curvature surfaces, mathematical foams, scientific visualization, and mesh generation.
[1] Sullivan was born in Princeton, New Jersey, and graduated summa cum laude from Harvard University in 1985.
He earned a master's degree from the University of Cambridge in 1986, and a doctorate from Princeton University in 1990 under the supervision of Frederick J. Almgren, Jr.[1][2] After postdoctoral studies at The Geometry Center and the Mathematical Sciences Research Institute, Sullivan joined the faculty of the University of Illinois at Urbana–Champaign in 1997.
[1] In 2012, he became one of the inaugural Fellows of the American Mathematical Society.