Organizing Conferences:

Graduate Mini-Conference in Discrete Mathematics, March 8, 2023 co-organizer: Éva Czabarka
Chair of the organizing committee of the NSF-CBMS Conference on Additive Combinatorics from a Geometric Viewpoint May 21-25, 2018, University of South Carolina, co-organizers: Éva Czabarka and Frank Thorne
Chair of the Biplanar Crossing Numbers and Random Graphs workshop, February 22-25, 2018, University of South Carolina, co-organizers: John Asplund and Éva Czabarka
Co-organizer of the Mathematics Research Communities Program workshop Beyond Planarity: Crossing Numbers of Graphs in Snowbird, Utah, June 11-18, 2017, co organizers: Éva Czabarka, Silvia Fernández-Merchant, Gelasio Salazar, Marcus Schaefer
Minisymposium on Structures in Trees in June 6-10, 2016, at the biennial SIAM Discrete Mathematics Conference, Minneapolis MN, co-organizer: Éva Czabarka
Co-organizer of the Minisymposium on Modeling Networks under Exact and Soft Conditions in June 16, 2014, at the biennial SIAM Discrete Mathematics Conference, Minneapolis MN, co-organizer: Eva Czabarka
Organizer of the Network Science Summer School at USC in May 2013, supported by the Provost's Office, co-organizers: Qi Wang, Lincoln Lu
Co-organizer of the Special Session on Graphs, Hypergraphs, and Counting in April 2013, at the AMS Sectional Meeting in Ames, Iowa, co-organizer: Eva Czabarka
Co-organizer of the workshop Crossing numbers turn useful, Banff International Research Station, August 21-26, 2011 (11w5144, with G. Salazar and D. Archdeacon)
Co-organizer of the Special Session Applied Combinatorics at the AMS #1068 Southeastern Sectional Meeting, Georgia Southern University, Statesboro, GA, March 12-13, 2011 (with Miklós Bóna and Hua Wang)
Chair of the organizing committee of the "33rd SIAM Southeastern-Atlantic Section Conference" April 4-5 2009, University of South Carolina
Member of the Scientific Committee of "Fifth International Conference of Applied Mathematics and Computing" Plovdiv, Bulgaria, August 12 - 18, 2008
Organizer of an invited minisymposium at the SIAM 2008 Conference on Discrete Mathematics, June 2008, Burlington, Vermont
Co-organizer of the "Mini-conference on Applied Combinatorics with an emphasis on Search Theory" at the University of South Carolina, October 15-16, 2007
Co-organizes with G. Hetyei a special session on "Algebraic and Extremal Combinatorics" at the AMS Southeastern Sectional Meeting, March 5-6, 2007, Davidson College, NC
Co-organized with É. Czabarka and I. Vrto the "Ondrej Sykora Memorial Theory Day" at the Loughborough University, June 9, 2006
Member of the Organizing Committee of the SIAM Conference on Discrete Mathematics, June 25-28, 2006, Victoria, British Columbia, Canada
Member of the Program Committee of the 12th Graph Drawing Symposium, September 2004, New York
Co-organized with F. Shahrokhi an invited double minisymposium at the SIAM 2004 Conference on Discrete Mathematics, June 2004, Nasville, Tennessee
Member of the Organizing Committee of the NSF/CBMS Regional Research Conference in Mathematical Sciences on Geometric Graph Theory , May 2002, Denton, Texas
Co-Organized with F. Shahrokhi a Special Session on Discrete and Computational Geometry and Graph Drawing at the #963 Sectional Meeting of the American Mathematical Society, March 2001, Columbia, South Carolina
Organized the poster session of the conference ``Paul Erdos and His Mathematics'', 1999, Budapest, Hungary
Organized a session on ``Mathematical Methods in Molecular Biology'' at the International Conference on Combinatorics and Graph Theory, 1996, Balatonlelle, Hungary