SLAC conference: Physics Opportunities at a Lepton Collider in the Fully Nonperturbative QED Regime, August 2019

"The Physics of Divergence”, Physics Colloquium, University of Seoul, South Korea, January 17, 2019

"Introduction to Resurgence and Non-perturbative Physics", lectures at the Kavli Asian Winter School on Strings, Particles and Cosmology, Seoul, January 7-17, 2019.

“Resurgent Extrapolation and Summation: Painleve I”, Ohio State Math, Analysis and Operator Theory Seminar, Dec 18, 2018.

“Introduction to Resurgence and Non-perturbative Physics”, Lectures at Winter School: Formal Developments in Quantum Field Theory, CP3-Origins, Odense, Nov 12-16, 2018.

"The Physics of Divergence: Resurgence and Non-Perturbative Physics”, Physics Colloquium, University of Wisconsin, Madison, October 19, 2018.

“Resurgence and Non-Perturbative Physics”, MITP, Mainz, Germany, September 28, 2018

“Resurgence and Phase Transitions”, CSSM Seminar, Adelaide University Physics, August 1, 2018.

“Stephen Hawking: His Life and His Physics”, Public Lecture, U3A Adelaide, July 30, 2018.

“Cosmic Collisions: Gravity Waves and Colliding Neutron Stars”, Public Lecture, U3A Adelaide, July 9, 2018.

“Resurgence and Perturbative/Non-perturbative Relations”, Les Houches Summer School: Structure of Local Quantum Fields, June 4-15, 2018.

“Resurgence, Large N and Phase Transitions”, Gauge Topology Workshop, ECT* Trento, May 29, 2018.

“Stephen Hawking: His Life and His Physics”, UConn Sigma Pi Sigma Colloquium, April 27, 2018

“Quantum Geometry of Perturbative/Non-perturbative relations”, Math Seminar, Rutgers, April 12, 2018

“Introduction to Resurgence and Non-perturbative Physics”, Lattice Field Theory Conference, ETH Zurich, March 8, 2018

"The Search for the Schwinger Effect: Non-perturbative Particle Production from Vacuum", Julian Schwinger Centennial Conference, Singapore, Feb 7-12, 2018.

“Introduction to Resurgence and Non-perturbative Physics“, 3 lectures at ICTS (Bangalore) Program: “Nonperturbative and Numerical Approaches to Quantum Gravity, String Theory and Holography”, January 27-February 5, 2018

Lead Coordinator: Resurgent Asymptotics in Physics and Mathematics, research program at KITP Santa Barbara, Oct. 9 - Dec. 15, 2017.

Colloquium: "Much Ado About Nothing: Creating Particles from Vacuum", Washington Univ. St. Louis, Sep. 13, 2017

"Quantum Geometry of Resurgent Perturbative/Non-perturbative Relations", RIMS-iTHEMS Resurgence Conference, Kobe, Sep. 2017

recorded lecture: Quantum Geometry of Resurgent Perturbative/Non-perturbative Relations, CARMA Conference, CIRM Luminy, June 2017

Conference co-organizer: Resurgence at Kavli-IPMU, University of Tokyo, Dec. 12-16, 2016

"Quantum Geometry of Resurgent Perturbative/Non-perturbative Relations", Kavli IPMU, Univ. of Tokyo, Dec. 14, 2016

Colloquium: "Much Ado About Nothing: Creating Particles from Vacuum", Emory Univ, November 15, 2016

Lecture Course: "Introduction to Resurgence and Semiclassical Physics", VIII Parma International School of Theoretical Physics, Parma, September 3-10, 2016

"Gravity Waves and Merging Black Holes'', public lecture U3A Adelaide, July 11, 2016

"Resurgence and Large-N": Continuous Advances in QCD, University of Minnesota, May 14, 2016.

SPS colloquium: "Much Ado About Nothing: Creating Particles from Vacuum", Bard College, April 29, 2016

lecture course: "Decoding the Path Integral", Gothenburg Centre for Advanced Studies, Chalmers University, April 7-22, 2016

seminar: "Resurgence relations in quantum spectral problems'', Analysis and Operator Theory Seminar , Ohio State Math, March 23, 2016

2 lectures: "Beginners' guide to resurgence and trans-series in quantum theory", UMass ACFI workshop "Recent Developments in Semiclassical Probes of Quantum Field Theories", March 17, 2016

seminar: "Resurgence and Non-perturbative physics: decoding the path integral'',

Brown Univ, April 19, 2017

UConn Physics, October 31, 2016

Univ of Adelaide, June 22, 2016

Ohio Univ, March 22, 2016

Rutgers, March 1, 2016

Brandeis, Jan 25, 2016

Kavli IMPU, Tokyo, Nov 30, 2015

seminar: "Nonlinear QED and Intense Lasers", Univ. Michigan, Dec 8, 2015

review talk: "Resurgence and Non-perturbative physics'', KEK Theory Workshop, Tsukuba, Dec 3, 2015

2/3/14-2/7/14: CERN 2014 Lectures on "Resurgence and Non-perturbative Physics''. Lecture course (4 lectures) at 2014 CERN Winter School: Supergravity, Strings, and Gauge Theory.

3/1/15 - 3/6/15: Schladming 2015 Lectures on "Resurgence, trans-series and quantum theory''. Lecture course (4 lectures) at 2015 Schladming Winter School: Intersection Between QCD and Condensed Matter, Austria.

3/16/15 - 3/20/15: co-organizer of workshop:

Resurgence and localization in string theory and quantum field theory, Simons Center for Geometry and Physics, Stony Brook

8/19/15: review talk: "Overview of the resurgence program'', workshop Gauge Field Topology: From Lattice Simulations and Solvable Models to Experiment, Simons Center, Stony Brook