October 17  — 22: I will be at the workshop on Liaison Theory and its Connections to Algebra and Geometry at Banff, Canada.

August 16 — 20: I am organizing a topical workshop on Singularities and Syzygies of Algebraic Varieties at ICERM, Brown University.

January 25 — February 19: I will be at the AxIOM program on Commutative Algebra, Representation Theory, and Other Interactions at SLMath, Berkeley.

January 12 — 15: I am organizing an AMS Special Session on Homological Methods, Syzygies, and Resolutions in Commutative Algebra at the Joint Mathematics Meetings in Chicago.

December 9: I will be speaking at the Algebraic Geometry Seminar at Purdue University.

November 7 — 8: I will be speaking at the AMS Special Session on  Recent Advances in Commutative Algebra at Arizona State University.

October 20: I will be speaking at the Symbolic Computation Seminar at North Carolina State University.

August 24 — 28: Together with Greg Smith, I am organizing a workshop on Geometric properties of Hilbert schemes at AIM, Caltech.

May 11 — May 12: I spoke at KOALA 2026 at the University of Kentucky.

April 6: I spoke in the Algebraic Geometry Seminar at the University of Illinois Chicago.

March 28 — 29: I spoke at the AMS Special Session on Recent Developments in Algebraic Geometry and Commutative Algebra at Boston College.

October 3 — 5: Together with Michael Perlman and Jiamin Li, I am organizing an AMS Special Session on Syzygies and Local Cohomology in Commutative Algebra at Tulane University.

July 14 — 18: I was at the Summer Research Institute in Algebraic Geometry at Colorado State University.

May 15 — 17: I spoke at the 50th Spring Lecture Series at the University of Arkansas.

May 12: I spoke at the Algebraic Geometry Seminar at the University of Maryland.

April 5 — 6: I spoke at the AMS Special Session on Commutative Algebra and Interactions with Combinatorics at Fairfield University.

March 11: I gave an Undergraduate Colloquium at Nevada State University.

March 7: I gave a Colloquium at the University of Hawaiʻi at Mānoa.

March 7: I spoke at the Algebra seminar at the University of Hawaiʻi at Mānoa.

February 12: I gave a Colloquium at Rutgers University.

January 23: I gave a Colloquium at the University of Notre Dame.

December 2: I gave a Colloquium at Washington University.

November 2: Together with Irena Peeva and Mike Stillman, I organized the Route 81 conference at Cornell University.

October 19 — 20: I spoke at the AMS Special Session on Singularities in Commutative Algebra at the University at Albany - SUNY.

October 16: I spoke at the Algebra & Combinatorics Seminar at North Carolina State University.

September 23 — 28: I spoke at Syzygies and Hilbert Schemes in Kraków, Poland.

August 20: I spoke at the Algebra seminar at Auburn University. 

June 7: I spoke at the Algebraic Geometry seminar at Politecnico di Milano.

May 23 — 25: I gave a lecture series on the Combinatorics of Hilbert Schemes at the University of Warsaw. 

May 6 — 10: I spoke at Geometry of the Hilbert Scheme of points in Levico Terme, Italy. 

May 4 — 5: Together with Michael Perlman and Ola Sobieska, I organized an AMS Special Session on Homological Methods in Commutative Algebra & Algebraic Geometry at San Francisco State University.

April 15: I spoke at the Geometry Seminar at Texas A&M University.

January 3: I spoke at Combinatorial Insights into Algebraic Geometry at the Joint Mathematics Meetings in San Francisco.

January 3: I spoke at Commutative Algebra and Algebraic Geometry at the Joint Mathematics Meetings in San Francisco.

November 23: I spoke at the Algebra and Algebraic Geometry Seminar at McMaster University.

March 30: I spoke at the Algebra and Algebraic Geometry Seminar at McMaster University.

February 17:  I spoke at the Algebraic Geometry Seminar at Columbia University.

January 11: I spoke at the Algebraic Geometry Seminar at the Università di Genova.

January 16: I spoke at the Algebraic Geometry Seminar at Politecnico di Milano.

December 5 — 9: I spoke at the Deformation Theory Workshop at IMPAN in Warsaw, Poland.

November 28: I spoke at the Algebraic Geometry Seminar at the University of Illinois Chicago

October 1: I spoke at the AMS Special Session on Combinatorial Algebraic Geometry at the University of Massachusetts Amherst.

September 19:  I spoke at the Algebraic Geometry Seminar at Cornell University.

March 27:  I spoke at the AMS Special Session on Commutative Algebra and Connections with Algebraic Geometry at Purdue University.

February 25:  I spoke at the Algebraic Geometry Seminar at the University of Kansas.

February 15:  I spoke at the Fellowship of the Ring at SLMath (previously known as MSRI).

November 19:  I spoke at the Algebraic Geometry Seminar at the University of Wisconsin-Madison.

November 13:  I spoke at the Route 81 Conference at Cornell University.

November 11:  I spoke at the Commutative Algebra Seminar at the University of Minnesota.

November 3:  I spoke at the Commutative Algebra Seminar at Purdue University.

October 15:  I spoke at the Virtual Commutative Algebra Seminar at IIT Bombay.

September 29:  I spoke at the Algebraic Geometry Seminar at the University of Michigan.

September 27:  I spoke at the Algebraic Geometry Seminar at the University of Illinois Chicago.

September 21:  I spoke at the Commutative Algebra and Algebraic Geometry Seminar at the University of Notre Dame.

August 6:  I spoke at the Algebraic Geometry Seminar at Stanford University.

 June 20 — 26:  I spoke at the Classical Algebraic Geometry at Oberwolfach.

May 1:  I spoke at the AMS Special Session on Commutative Algebra at San Francisco State University.

March 5, 2020: I spoke at Moduli on Chestnut Hill at Boston College.

December 5, 2018: I spoke at the Commutative Algebra and Algebraic Geometry Seminar at the University of Notre Dame.