## Selected Presentations & Appearances

Bad Conformal Field Theories
· April 18, 2016
Invited Talk
Physics Department, University of Pennsylvania,

Discriminants and Mirror Symmetry
- Homological Mirror Symmetry
· March 9, 2016
Invited Talk
BIRS ,
Banff, Canada

Discriminants and Mirror Symmetry
- F Theory at 20
· February 25, 2016
Invited Talk
CalTech,

Massless D-branes and Discriminants
· December 21, 2015
Invited Talk
Stanford University,
Physics Department, Stanford

The Kahler Moduli Space of Calabi-Yau Manifolds
· December 22, 2013
Lecture
Hamburg University

Bad Conformal Field Theories
· April 18, 2016
Invited Talk
Physics Department, University of Pennsylvania,

Discriminants and Mirror Symmetry
- Homological Mirror Symmetry
· March 9, 2016
Invited Talk
BIRS ,
Banff, Canada

Discriminants and Mirror Symmetry
- F Theory at 20
· February 25, 2016
Invited Talk
CalTech,

Massless D-branes and Discriminants
· December 21, 2015
Invited Talk
Stanford University,
Physics Department, Stanford

The Kahler Moduli Space of Calabi-Yau Manifolds
· December 22, 2013
Lecture
Hamburg University

Exoflops and Extremal Transitions
· December 17, 2013
Lecture
Stanford

Monodromy and Collapsing del Pezzo Surfaces
· June 11, 2013
Lecture
CRM Montreal

The topological B-model and superpotentials
· August 14, 2012
Lecture
BIRS Banff

D-Branes on Calabi-Yau Threefolds
· July 9, 2012
Lecture
Warwick University

D-Branes on Calabi-Yau Threefolds
· July 3, 2012
Lecture
Bonn University

Linear sigma models and (0,2) models
· May 14, 2012
Lecture
Simons Center for Geometry and Physics, Stony Brook

A (0,2) McKay Correspondence
· December 12, 2011
Lecture
Simons Center for Geometry and Physics

A (0,2) McKay Correspondence
· November 5, 2011
Lecture
Mirror Symmetry Conference, Kansas State U

A Study of (0,2) Deformations of (2,2) Theories
· June 9, 2011
Lecture
String-Math conference, Penn

Quivers and Matrix Factorizations
· May 18, 2011
Lecture
Simons Center for Geometry and Physics

A Study of (0,2) Deformations of (2,2) Theories
· May 9, 2011
Lecture
Simons Center for Geometry and Physics

D-Branes, Toric Geometry and Matrix Factorizations
· March 18, 2011
Lecture
Commutative Algebra Conference, Univ of South Carolina

Can Instantons Kill H1(End(T)) Singlets?
· December 20, 2010
Lecture
Stanford University

String Theory and the McKay Correspondence
· June 15, 2009
Lecture
University of Pennsylvania

Probing Calabi-Yau Geometry with D-Branes
· March 30, 2009
Lecture
University of Michigan

Geometry and String Theory
· February 6, 2009
Lecture
University of Central Florida

Probing Calabi-Yau Geometry with D-Branes
· January 14, 2009
Lecture
Stony Brook University

Probing Calabi-Yau Geometry with D-Branes
· November 6, 2008
Lecture
Texas A&M University

Probing Calabi-Yau Geometry with D-Branes
· October 20, 2008
Lecture
Virginia Tech

B-Type D-Branes on Calabi-Yau Manifolds
· July 21, 2008
Lecture
KITP, Santa Barbara

Non-Commutative Resolutions and Toric Geometry
· May 12, 2008
Lecture
BIRS, Banff

Computations in String Theory with Macaulay 2
· March 17, 2008
Lecture
Cornell University

## Service to the Profession

NSF Proposal Review
·
December 2013
Committee Service

NSF Panel
·
February 2013
Committee Service

Coorganizer : String Theory for Mathematicians 5/14/12 – 5/18/12
·
December 14, 2012
Event/Organization Administration
Simons Center, Stony Brook

NSF and other proposals reviewed
·
November 2011
Committee Service

Proposal Review NSF
·
December 15, 2010
Committee Service