Conferences and seminars organized:

• Topologie
  (with Ruth Charney, Soren Galatius, and Andras Stipsicz)
  Oberwolfach, 2022
  report
• Online Midwest Topology Seminars (with Robert Bruner, Paul Goerss, Dan Isaksen, and Vesna Stojanoska)
  Spring 2020, Fall 2020, Spring 2021, Fall 2021
• Midwest Topology Seminar (with Robert Bruner, Paul Goerss, Dan Isaksen, and Vesna Stojanoska)
  Online, 2020
  webpage
• Topologie
  (with Ruth Charney, Soren Galatius, and Michael Weiss)
  Oberwolfach, 2020
  report
• Derived algebraic geometry and chromatic homotopy theory (with David Gepner, Paul Goerss, Michael Hopkins, and Tyler Lawson)
  Newton Institute, 2018
  webpage
• Topologie
  (with Ruth Charney, Peter Teichner, and Michael Weiss)
  Oberwolfach, 2018
  report
• Directed reading program workshop
  (with Moon Duchin, Katie Mann, Candice Price, Felipe Ramirez, Gigliola Staffilani, and Bena Tshishiku)
  MIT, 2018
• Winter 2017 Midwest Topology Seminar
  (with the Notre Dame topology group)
  University of Notre Dame, Feb 11, 2017
  webpage
• Topologie
  (with Peter Teichner, Nathalie Wahl, and Michael Weiss)
  Oberwolfach, 2016
  report
• Fall 2015 Midwest Topology Seminar
  (with Dan Isaksen and Sean Tilson)
  Conference honoring Robert Bruner on the occasion of his 65th birthday
  Wayne State University, Oct 10-11, 2015
  webpage
• Reimagining the foundations of algebraic topology
  (with Vigleik Angeltveit and Andrew Blumberg)
  MSRI, April 7-11, 2014
  webpage
• Quillen Memorial Conference
  (with Clark Barwick, Joachim Cuntz, Eric Friedlander, Michael Hopkins, Jean-Louis Loday, Haynes Miller, Andrew Ranicki, Graeme Segal, Isadore Singer)
  Conference remembering the legacy of Daniel Quillen, Oct 6-8, 2012
  webpage
• Special session and satellite conference on Homotopy Theory
  (with Mark Johnson, Haynes Miller, James Turner, and Donald Yau)
  2012 Joint meetings of the AMS, Fri-Sat, Jan 6-7 (satellite conference: Thurs Jan 5)
  webpage
• Mayday 2009
  (with Maria Basterra, Andrew Blumberg, Mike Mandell, and Jim McClure)
  Conference honoring Peter May on the occation of his 70th birthday, Oct 16-18 2009
  webpage My lecture notes (Hopkins colloquium courtesy of Martin Frankland)
• K-theory lunch seminar
  (with Clark Barwick and Kiran Kedlaya)
  Spring 2009
  webpage
• Special session on Homotopy Theory and Algebraic Topology
  (with Mike Hill)
  2008 Fall Southeastern Meeting of the AMS
  Huntsville, AL, October 24-26, 2008
  program