- Visiting Texas A&M University, College Station,
TX,February 3- 14, 2020

- Visiting Zhejiang University, June 2 - June 18, 2019
- Number Theory Seminar, Oregon state University, OR, March 11,
2019

- Colloquium,
University of Idaho, Moscow, ID, October 25, 2018

- Number/Representation Theory Seminar, University of Toronto,
October 17, 2018

- Institute of Mathematics, Academia Sinica, July 5-9, 2018

- AIM SQuaRE, November 13 - 17, 2017

- Visiting Texas A&M University, College Station, TX, August 7 - 12, 2017
- Xi'an Jiaotong University, Xi'an, China, May 29 - June 9, 2017
- Captial Normal University, Beijing, China, May 22 - 26
- Morningside Center of Mathematics, Beijing, China, May 12 - 21, 2017
- Recent developments in Analytic Number Theory, MSRI, Berkeley, May 1 - 5, 2017
- AMS sectional meeting, Washington State University, Pullman WA, April 22-23, 2017
- Number Theory Seminar, NCTS, Taiwan, December 21, 2016
- National Center for Theoretical Science, Taipei, Taiwan, December 18-23, 2016
- Colloquium, National Tsing Hua University, Hsinchu, Taiwan, December 19, 2016
- AIM SQuaRE, October 3 - 7, 2016
- Colloquium, University of Idaho, Moscow, ID, September 29, 2016
- Morningside Center of Mathematics, Beijing, China, June 2-7, 2016
- Ohio State University, Spring 2016 (on leave)
- Number Thoery Seminar, The Ohio State University, Columbus, OH, February 15, 2016
- Number Theory Seminar, Simon Fraser University, BC, Canada, November 26, 2015
- Computational Aspect of L-functions, ICERM, Brown University, November 9-13, 2015
- Visiting Texas A&M University, June 8 - June 12, 2015
- Number Theory Seminar, Stanford University, Stanford, CA, May 11, 2015
- Analysis, Spectra, and Number Theory, Princeton, NJ, December 15-19, 2014
- Visiting Texas A&M University, June 29 - July 11, 2014

- Automorphic Forms Workshop, Moab Arts and Recreation Center, Moab, Utah, May 12-16, 2014
- Applications of Automorphic Forms in Number Theory and Combinatorics, Louisiana State University, LA, April 12-15, 2014
- Colloquium, University of Idaho, Moscow, ID, October 24, 2013
- Combinatorics, Multiple Dirichlet Series and Analytic Number Theory, ICERM, Brown University, April 15-19, 2013
- Colloquium, Washington State University, April 15, 2013
- Number Theory Seminar, Yale University, April 1, 2013
- TORA IV, University of North Texas, Denton, Texas, March 23-24, 2013
- Colloquium, Oklahoma State University, Stillwater, OK, January 25, 2013
- AMS joint meeting, Special Session on Arithmetic Statistics, San Diego, CA, January 9-12, 2013
- Number Theory - Representation Theory Seminar, University of Wisconsin–Madison, Madison, WI, December 6, 2012
- Analysis Seminar, SUNY at Buffalo, Buffalo, NY, October 17, 2012
- TORA III, University of Oklahoma, Norman, Oklahoma, September 28-30, 2012
- Noncommutative Geometry: Multiple Connections, The Ohio State University, Columbus, Ohio, May 7-18, 2012
- 26th
Automorphic Forms workshop, University of British
Columbia, Vancouver, Canada, April 26-29, 2012