- 2024 Elected Honorary Member of University of Chicago's Phi Beta Kappa Chapter.
- 2024 Elected Honorary Fellow of the Indian Academy of Sciences
- 2023 U Chicago Alumni Award for Professional Achievement
- 2023 Effie Award Silver Medal (Miller beer commercial)
- 2022-present Marvin Rosenblum Professor of Mathematics
- 2021 University of Virginia, Distinguished Researcher Award
- 2021-present Honorary Professor, Indian Inst. of Tech., Guwahati
- 2020-21 Phi Beta Kappa Visiting Scholar
- 2019 University of Virginia, Research Award
- 2019-22 Thomas Jefferson Professor of Mathematics, UVa
- 2019 Rhodes Trust Inspirational Educator Award.
- 2019 Jubilee Chair Professor, Indian Academy of Sciences.
- 2018 Prose Award, Assoc. of Amer. Publishers.
- 2017 AMS-NZMS Distinguished Maclaurin Lecturer.
- 2017 DST International Film Festival, Best Film Prize.
- 2017 Eleanor Main Graduate Mentoring Award (Emory U).
- 2017 National Science Film Festival, Technical Excellence Award.
- 2016-2017 MAA George Polya Distinguished Lecturer.
- 2015 MAA Invited Address, Joint AMS-MAA Meeting.
- 2014 Alfred E. Levy Award for Scientific Research.
- 2012 Named Fellow of the American Mathematical Society.
- 2012 AMS Erdos Memorial Lecture.
- 2011 DMV National Address, U. Cologne.
- 2010-20 Asa Griggs Candler Professor of Mathematics, Emory U.
- 2009 AMS Invited Address, Joint AMS-MAA National Meeting.
- 2008 Harvard-MIT Current Developments in Mathematics.
- 2008-2011 Hilldale Professor of Mathematics, UW Madison.
- 2007, 09 Favorite Instructor Award, UW Madison Housing.
- 2005 NSF Director's Distinguished Teaching Scholar Award.
- 2004-2011 Manasse Prof. of Letters and Science, UW Madison.
- 2003 John S. Guggenheim Foundation Fellowship.
- 2003 NSF-CBMS Conference Lecturer.
- 2002 H. I. Romnes Fellowship.
- 1999 Presidential Early Career Award (awarded by Pres. Clinton).
- 1999 David and Lucile Packard Research Fellowship.
- 1999 Louis A. Martarano Professorship, Penn State University
- 1999 Alfred P. Sloan Foundation Research Fellowship
- 1998 National Science Foundation CAREER Award
- 1997 National Security Agency Young Investigator