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B.Sc., 1972, McGill University. Part III, Mathematics Tripos, University of Cambridge, 1973. Ph.D., 1978, Stanford University. Research Associate, Stanford Linear Accelerator Center, 1978. Research Associate, Laboratory of Nuclear Studies, Cornell University, 1978-80. Assistant Professor, Physics, Cornell University, 1980-84. Associate Professor, Physics, Cornell University, 1984-89. Professor, Physics, Cornell University, 1989-present. Chair, Physics, Cornell University, 1999-2003. Acting Dean, College of Arts and Sciences, Cornell University, 2003-2004. Harold Tanner Dean, College of Arts and Sciences, Cornell University, 2004-present. Visiting appointments at: The Institute for Advanced Study, Princeton; Department of Applied Mathematics and Theoretical Physics, Cambridge; Institute for Theoretical Physics, Santa Barbara; Fermi National Accelerator Center; Institute for Nuclear Theory, Seattle. Alfred P. Sloan Fellow, 1983-85. John Simon Guggenheim Fellow, 1996-97. Fellow, American Physical Society. Fellow, American Academy of Arts and Sciences.

Research Areas
Quantum field theory; renormalization techniques and effective field theory, with applications in particle physics, condensed matter physics, and nuclear physics; numerical quantum field theory and lattice QCD; Standard Model physics; heavy-quark physics; high-precision atomic physics and QED; computational physics and physics pedagogy

Current Research
QCD is the fundamental theory of quarks and gluons that explains the internal structure and interactions of protons, neutrons and other strongly interacting particles. A full solution of this theory relies upon numerical simulations. I am developing new techniques that have already made such simulations literally thousands of times faster, greatly extending the range of problems that can be studied. I am particularly interested in applications to the physics of hadrons containing heavy quarks. These advances rely upon renormalization techniques, especially effective field theories, that have many applications in physics. I am pursuing new applications in high-precision atomic physics (QED), heavy-quark physics, nuclear physics, condensed-matter physics, and physics pedagogy.