Fishel studies the combinatorics of Catalan objects, a topic with many wonderful and surprising connections to other areas of math.

Colbourn has an extensive research record in combinatorial design theory, algorithms for network analysis and optimization, and combinatorial testing.

Czygrinow works in the area of extremal graph theory.

Kierstead's research is in the area of graph theory, especially graph coloring.

Escobedo is an educator and researcher in the field of industrial engineering and operations research. His interests are in the theory and applications of mathematical programming and computing.

Yuan studies in graph theory and extremal combinatorics.