AMS Special Session: Geometric Combinatorics. Spring 2010 Western Section Meeting of the American Mathematical Society. University of New Mexico. Albuquerque, NM (USA). April 17-18, 2010. [Invited speaker]
CWI 3rd SDP day: Applications of semidefinite programming. Centrum Wiskunde en Informatica. Amsterdam, Noord-Holland (The Netherlands). July 1, 2011. [Invited speaker at Lectures by young researchers satellite program]
EuroComb'11: European Conference on Combinatorics, Graph Theory and Applications. Rényi Institute. Budapest (Hungary). August 29-September 2, 2011. [Contributing speaker]
Conference on Discrete Geometry and Optimization: 2011 Thematic Program on Discrete Geometry and Applications. Fields Institute. Toronto, Ontario (Canada). September 19-23, 2011. [Contributing speaker]
49th KPPY Combinatorics Workshop: combinatorics meeting sponsored by BK21 and Kyungpook National University. Kyungpook National University. Daegu (South Korea). December 3, 2011. [Invited speaker]
Korea-Japan Workshop on Algebra and Combinatorics. Pohang University of Science and Technology. Pohang (South Korea). January 26-28, 2012. [Invited speaker]
Discrete Geometry Day. Korea Advanced Institute of Science and Technology. Daejeon (South Korea). February 1, 2012. [Invited speaker]
50th KPPY Combinatorics Seminar. Pusan National University. Busan (South Korea). February 28, 2012. [Invited speaker]
Symposium on Discrete Mathematics. The biannual meeting of Fachgruppe Diskrete Mathematik of the DMV. Technische Universität Berlin. Berlin (Germany). August 17-18, 2012.
ISMP 2012. The 21st International Symposium on Mathematical Programming. Technische Universität Berlin. Berlin (Germany). August 19-24, 2012.
Fall 2013 NExT Conference: conference sponsored by Project NExT Wisconsin. University of Wisconsin-Baraboo/Sauk County. Baraboo, WI (USA). October 5-6, 2013.
MAA MathFest 2014. Hilton Portland and Executive Tower. Portland, OR (USA). August 7-8, 2014.
Fall 2014 NExT Conference: conference sponsored by Project NExT Wisconsin. University of Wisconsin-Baraboo/Sauk County. Baraboo, WI (USA). October 4-5, 2014. [Invited speaker]
2015 Joint Mathematics Meetings. Henry B. González Convention Center. San Antonio, TX (USA). January 10-13, 2015. [Contributing speaker]