Kathryn Leonard received her PhD in Mathematics from Brown University, then joined the faculty of California State University, Channel Islands (CI), after postdoctoral work at California Institute of Technology and Mathematical Sciences Research Institute. Her awards include an NSF CAREER award and an MAA Henry L. Alder Award for Distinguished Teaching. She is a co-director of the NSF-funded Center for Undergraduate Research in Mathematics hosted by BYU, and is also the director of her campus' Center for Integrative Studies.

Chris Rasmussen received his B.A., M.A. and Ph.D. from the University of Maryland in Mechanical Engineering, Mathematics, and Mathematics Education, respectively. He is currently Professor of Mathematics Education at San Diego State University in the Department of Mathematics and Statistics. His research focuses on the teaching and learning of undergraduate mathematics, with an emphasis on courses that typically function as a transition to advanced mathematics. He is a past Coordinator for the Special Interest Group of the Mathematical Association of America on Research in Undergraduate Mathematics Education, co-Editor for MAA Notes, Making the connection: Research and teaching in undergraduate mathematics education, and is currently co-PI on a 5-year NSF-funded project to study characteristics of successful programs in college calculus.

Francis Su is the Benediktsson-Karwa Professor of Mathematics at Harvey Mudd College in Claremont, California. His research is in geometric combinatorics and applications to the social sciences, and he has co-authored over 25 papers, half of them with undergraduates. From the MAA, he has received recognition for his writing and teaching, including the Hasse Prize in 2001, the Alder Award in 2004, and the Haimo Award in 2013. He recently concluded a term as MAA vice-president. His passion for teaching and popularizing mathematics is evident from his website "Math Fun Facts", which receives over a million hits each year, as well as his iPhone app by the same name. His hobbies include songwriting, gardening, photography, and theology; just like mathematics, these are modes of creative expression that divinely blend structure and freedom, truth and beauty, reflection and action.

Ravi Vakil is a Professor of Mathematics at Stanford, where he is also the Robert K. Packard University Fellow and the David Huntington Faculty Scholar. He is an algebraic geometer, and his work touches on many other parts of mathematics, including topology, string theory, applied mathematics, combinatorics, number theory, and more. He was born in Toronto, Canada, and studied at the University of Toronto, where he was a four-time winner of the Putnam competition (``Putnam Fellow''). He received his Ph.D. from Harvard in 1997, and taught at Princeton and MIT before moving to Stanford in 2001. He has received the Dean's Award for Distinguished Teaching, the American Mathematical Society Centennial Fellowship, the Frederick E. Terman fellowship, an Alfred P. Sloan Research Fellowship, the NSF CAREER grant, and the Presidential Early Career Award for Scientists and Engineers. He has also received the Coxeter-James Prize from the Canadian Mathematical Society, and André-Aisenstadt Prize from the CRM in Montreal. He was the 2009 Earle Raymond Hedrick Lecturer at MathFest, and is the Mathematical Association of America's Pólya Lecturer 2012-2014. He has served as an informal advisor to the new website mathoverflow. He works extensively with talented younger mathematicians at all levels, from high school (through math circles, camps, and olympiads), through recent Ph.D.'s.