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Leadership Team

hectorHector Rosario <hr111@caa.columbia.edu> is the co-founding director of the Chapel Hill Math Circle. He holds a Ph.D. in mathematics education from Columbia University and was a tenured professor of mathematics at the University of Puerto Rico at Mayagüez (2003-2015). He joined the faculty of the North Carolina School of Science and Mathematics (NCSSM) in August of 2015 and left in June of 2016. While at NCSSM, Hector created a problem-solving YouTube series and Math 1 Resources for Teachers. He is the co-author of Math Makes Sense! A Constructivist Approach to the Teaching and Learning of Mathematics (2016) and the principal editor of the 17-country anthology Mathematics and Its Teaching in the Southern Americas.

HRosario-CV 2017.03.13

irinaIrina Kogan (iakogan”at”ncsu”dot”edu) is an Associate Professor of Mathematics at the North Carolina State University (NCSU). She works on applications of differential and algebraic geometry. Irina received her Ph.D. at the University of Minnesota in 2000. After her graduation, she held a Gibbs Instructor position at Yale University for three years until she joined the Department of Mathematics at NC State University in 2003.  In her school years,  Irina was a  Math Circle participant and then a student at Moscow State 57th School – a high school with an excellent tradition of mathematical education. She believes that these experiences played a major role in her professional and personal development.

linda-2Linda Green (linda “dot” green “at” unc “dot” edu) is the co-founding director of the Chapel Hill Math Circle. She has been a Lecturer in the Math Department at the University of North Carolina at Chapel Hill since Fall 2013. Before moving back home to North Carolina, she taught at Dominican University of California and directed the Marin Math Circle. She holds a Ph.D. in mathematics from Princeton University in the field of topology and geometry.

Information to be updated soon for the following members.

Debra Weigand

Julie Halpert

Boyd Blackburn

Kimberly Johnson