"Monstrous Moonshine", BYU Physics and Astronomy Colloquium, BYU, 1 April 2019
"Convergence of the Jensen polynomials for the Riemann zeta-function." AMS Sectional meeting, Honolulu, 22 Mar 2019
"Polya's program for the Riemann Hypothosis and related problems", 4th EU/US Buildiing Bridges conference on automorphic forms and related topics, Alfred Renyi Institute of Mathematics, Budapest, 16 July 2018
"The Modular Parameterization of Elliptic curves", Conference on Modular Forms and Related Topics, American University of Beirut, Beirut, 29 May 2018
"The Modular Parameterization of Elliptic curves", AMS Sectional Meeting, Portland State University, Portland, 15 Apr 2018
"Polya's program for the Riemann Hypothosis and related problems", 32nd Automorphic Forms Workshop, Tufts University, Boston, 21 Mar 2018
"Polya's program for the Riemann Hypothosis and related problems", MPS Conferences on Number Theory , Geometry & Strings II, Simons Foundation, New York, 15 Mar 2018
"Umbral Moonshine." Indefinite theta functions and applications in physcis and geometry, Trinity College. Dublin, 7 June 2017
"Moonshine." School and Workshop on Modular Forms and Black Holes, NISER. Bhubaneswar India, 12 Jan. 2017
"Thompson Moonshine." plenary talk, U. CONN. conference on elliptic curves, modular forms and related topics. Storrs CT, 13 Aug. 2016
"Moonshine, Moonshine and mock modular forms, Umbral moonshine" KIAS number theory seminars. Seoul, 2-5 Feb. 2016
"Moonshine." Princeton number theory working seminar. Princeton NJ, 8 Oct. 2015
"Moonshine." Purdue automorphic forms and representation theory seminar. West Lafayette IN, 16 April 2015
"Umbral moonshine." Automorphic forms workshop. Ann Arbor MI, 5 Mar. 2015
"On the distribution of moonshine and umbral moonshine." UNC-Duke Number Theory Seminar. Durham NC, 21 Jan. 2015
"Weierstrass mock modular forms and elliptic curves." Joint math
meetings. San Antonio TX, 13 Jan. 2015
"Algebraic units arising from a framework of Rogers-Ramanujan identities." Joint math
meetings. San Antonio TX, 11 Jan. 2015
"Weierstrass mock modular forms and elliptic curves." SASTRA Prize Conference. Kumbakonam India, 21 Dec. 2014
"On the distribution of moonshine and other theorems at the interface of number theory and
representation theory." Texas A&M Number Theory Seminar. College Station TX, 3 Dec. 2014
"On the distribution of moonshine and other theorems at the interface of number theory and
representation theory." BYU Number Theory Seminar. Provo UT, 18 Nov. 2014
"Theorems at the interface of number theory and representation theory." University of Tennessee
Algebra and Number Theory Seminar. Knoxville TN, 3 Nov. 2014
"Theorems at the interface of number theory and representation theory." Penn State Number
Theory Seminar. University Park PA, 27 Oct. 2014
"Theorems at the interface of number theory and representation theory." University of FLorida
Number Theory Seminar. Gainesville, 20 Oct. 2014
"On the distribution of moonshine." Emory algebra and number theory seminar. Atlanta GA, 16 Sept. 2014
"A framework of Rogers-Ramanujan identities and their arithmetic properties." 28th Automorphic forms workshop. Moab UT, 12 May 2014.
"A framework of Rogers-Ramanujan identities and their arithmetic properties." AMS spring sectional meeting, Texas Tech University. Lubbock TX, 12 April 2014.
"Weierstrass mock modular forms and elliptic curves." AMS spring sectional meeting, Texas Tech University. Lubbock TX, 11 April 2014.
"A framework of Rogers-Ramanujan identities." University of South Carolina Number Theory Seminar. Clemson SC, 23 Oct. 2013.
"Weierstrass mock modular forms and elliptic curves." Clemson number theory seminar. Clemson SC, 23 Oct. 2013.
"Mock modular forms." TIFR number theory seminar. Mumbai India, 1 Aug. 2013.
"Mock modular forms." IMSc number theory colloquium. Chennai India, 22-23 July. 2013.
"Ramanujan's mock-theta runctions." BYU number theory seminar. Provo UT, 8 Jan. 2013.
"SU(2) Donaldson invariants of the projective plane." Ramanujan 125 Conference. Gainesville FL, 6 Nov. 2012.
"Properties of class polynomials for non-holomorphic modular functions." AMS Sectional Meeting. Honolulu HI, 3 Mar. 2012.
"U_p congruences modulo powers of primes." 25th Automorphic Forms Workshop. Corvalis OR, 24 Mar. 2011.
"Divisibility properties of coefficients of weight 0 weakly holomorphic Modular Forms." 24th Automorphic Forms Workshop. Honolulu HI, 23 Mar. 2010.
"A new perspective on some non-simple periodic orbits." Spring Research conference, Brigham Young University College of Physical and Mathematical Sciences. Provo UT, 21 Mar. 2009.