\subsection*{Invited}
\begin{itemize}[leftmargin=*]
	\item Periodic words, common subsequences and frogs. \textit{MIT Combinatorics Seminar}. Cambridge, MA, Oct.\ 2019.
	\item Periodic words, common subsequences and frogs. \textit{Warwick University Combinatorics Seminar}. Coventry, UK, Sep.\ 2019.
	\item Algorithmic re-proofs of some Ramsey numbers. \textit{Iowa State University Discrete Mathematics Seminar}. Ames, IA, Mar.\ 2019.
	\item Small antipodal spherical codes. \textit{Carnegie Mellon University CS Theory Seminar}. Pittsburgh, PA, Oct.\ 2018.
	\item A fractional version of Haemers' bound. \textit{AMS Special Session on Graph Theory}. Newark, DE, Sep.\ 2018.
	\item Inverting the Tur\'an problem. \textit{Iowa State University Discrete Mathematics Seminar.} Ames, IA, Jul.\ 2018.
	\item Nearly orthogonal vectors. \textit{Technion Combinatorics Seminar.} Haifa, Israel, Jun.\ 2018.
	\item Nearly orthogonal vectors. \textit{Hebrew University of Jerusalem Combinatorics Seminar.} Jerusalem, Israel, Jun.\ 2018.
	\item A fractional version of Haemers' bound. \textit{Ben-Gurion University Combinatorics Seminar.} Be'er Sheva, Israel, Jun.\ 2018.
	\item Nearly orthogonal vectors. \textit{Iowa State University Discrete Mathematics Seminar.} Ames, IA, Mar.\ 2018.
	\item Ramsey numbers on the Boolean lattice. \textit{AMS Special Session on Structural and Computational Graph Theory}. Raleigh, NC, Nov.\ 2016.
	\item Ramsey numbers for partially-ordered sets. \textit{Carnegie Mellon University ACO Seminar}. Pittsburgh, PA, Feb.\ 2016.
	\item Ramsey numbers of ordered hypergraphs. \textit{AMS Special Session on Extremal and Stuctural Graph Theory}. Las Vegas, NV, Apr.\ 2015.
	\item Ramsey numbers of ordered hypergraphs. \textit{University of Colorado Denver Discrete Mathematics Seminar}. Denver, CO, Mar.\ 2015.
	\item Ordered Ramsey numbers of loose paths and $k$-uniform matchings. \textit{Iowa State University Discrete Mathematics Seminar}. Ames, IA, Oct.\ 2014.
\end{itemize}
\subsection*{Contributed}
\begin{itemize}[leftmargin=*]
	\item Nearly orthogonal vectors and small antipodal spherical codes. \textit{European Combinatorics Conference}. Bratislava, Slovakia, Aug.\ 2019.
	\item Nearly orthogonal vectors. \textit{Finite Geometry and Extremal Combinatorics}. Newark, DE, Aug.\ 2019.
	\item Inverting the Tur\'an problem. \textit{ICGT}. Lyon, France, Jul.\ 2018.
	\item Nearly orthogonal vectors (poster). \textit{Building Bridges II}. Budapest, Hungary, Jul.\ 2018.
	\item Inverting the Tur\'an problem. \textit{MIGHTY LIX}. Morgantown, WV, Apr.\ 2018.
	\item A degree sequence variant of Ramsey's theorem. \textit{Connections in Discrete Mathematics}. Vancouver, Canada, Jun.\ 2015.
	\item Coupled choosability with separation. \textit{Rocky Mountain--Great Plains Graduate Research Workshop in Combinatorics}. Ames, IA, Jun.\ 2015.
	\item Potential Ramsey numbers. \textit{Rocky Mountain--Great Plains Graduate Research Workshop in Combinatorics}. Denver, CO, Jul.\ 2014.
	\item Normally regular digraphs resulting from Cayley graphs (poster). \textit{SACNAS National Conference}. San Antonio, TX, Oct.\ 2013.
	\item Isospectral drums and cospectral graphs. \textit{MAA Mathfest}. Hartford, CT, Aug.\ 2013.
\end{itemize}