George R. Thomas, Executive Director

George R. Thomas is an independent mathematician with long experience teaching and mentoring in summer programs for students showing high promise in mathematics. He founded Canada/USA Mathcamp, MathPath and Epsilon Camp. Thomas’s research has ranged over Semigroups and Extremal Graph Theory with forays in Analytical Number Theory. See Dr. Thomas' views on mathematics education in America's schools.

Danielle Champney

Danielle Champney is an assistant professor of mathematics at Cal Poly, San Luis Obispo. She received her Ph.D. from UC Berkeley in Undergraduate Mathematics Education, after completing undergraduate and masters degrees in Applied Mathematics and Statistics. Danielle's primary research interests are twofold: the study of how students connect their understanding of mathematics, physics, and engineering at all grades and ages; and the study of how students use visual images when problem solving and learning new topics in calculus. She is also active in cultivating middle-high school/undergraduate partnerships with Cal Poly and partner schools, with an emphasis on building mentorship opportunities between college and pre-collegiate students, and works with students and teachers of all ages to promote active learning in math classes from grades K through 16+.

Aaron Hill

Aaron Hill is an assistant professor of mathematics at the University of Louisville. He received a PhD in mathematics and a masters degree in curriculum and instruction at the University of Illinois at Urbana-Champaign. His research interests include mathematical logic, dynamical systems, and combinatorics. He also works closely with prospective elementary school teachers and has taught mathematically talented students at the elementary school level (in Illinois and Kentucky), middle school level (in New York), and high school level (in Texas). He is very excited to be working with 7- and 8-year-olds at Epsilon Camp.

Harold Reiter

Harold Reiter returns for his sixth time at Epsilon Camp. Reiter is Professor of Mathematics at the University of North Carolina at Charlotte. For more than 30 years, he has contributed problems to math competitions including the American Math Competitions and MATHCOUNTS. He has served as chair of the AMC committee and as a MATHCOUNTS judge. In the last 12 years, he has taught at math camps for high school and middle school students in the United States; Bangalore, India; Bali, Indonesia; and Chengdu, China.

Cornelia Van Cott

Cornelia Van Cott is an associate professor of mathematics at the University of San Francisco. She received her Ph.D. from Indiana University. Cornelia’s research interests are in topology, particularly the interplay between 3- and 4-dimensional topology and knot theory. She is also active in promoting mathematics among students of all ages.

James Farre

A former counselor and assistant faculty member at Epsilon Camp, James Farre is in the process of completing his graduate work in geometric topology at the University of Utah. His research explores the rich interplay between surface theory, three-dimensional hyperbolic geometry, volume, and topological spaces. James is a former dancer who trained in classical ballet and modern dance.

Thomas Goller

Thomas Goller is expecting to receive his Ph.D. in mathematics from the University of Utah in May 2017. His research is in algebraic geometry, a field that studies geometric spaces using rings of polynomials. Thomas received a University Teaching Assistantship for 2016-17, which he is using to design and teach an undergraduate course in graph theory.

Arthur Benjamin

Arthur T. Benjamin is an American mathematician who specializes in combinatorics. Since 1989, he has been a professor of mathematics at Harvey Mudd College, where he is the Smallwood Family Professor of Mathematics.

He is known for mental math capabilities and "Mathemagics" performances in front of live audiences. His mathematical abilities have been highlighted in newspaper and magazine articles, at TED Talks and on the Colbert Report.

Paul Zeitz

Paul Zeitz is Professor of Mathematics at University of San Francisco. He was a member of the first US team to the International Math Olympiad, and coached several US teams. He wrote *The Art and Craft of Problem Solving* in 1999, and produced a 12-hour video course for the Teaching Company in 2009 with the same title. Prof. Zeitz is the co-founder of Proof School in San Francisco, the nation's first full-fledged secondary school for "kids who love math."

Michael Starbird

Michael Starbird is a University Distinguished Teaching Professor of Mathematics at The University of Texas at Austin. He has received University-wide, statewide, and national teaching awards including the MAA’s Haimo Award. He has produced DVD courses in the Great Courses Series on calculus, statistics, probability, geometry, and the joy of thinking, and a MOOC entitled *Effective Thinking Through Mathematics*. His co-authored books include MAA published Inquiry Based Learning textbooks *Number Theory Through Inquiry *with co-authors David Marshall and Edward Odell and *Distilling Ideas: An Introduction to Mathematical Thinking* with co-author Brian Katz; and with co-author Edward Burger *The Heart of Mathematics: An Invitation to Effective Thinking* and *The 5 Elements of Effective Thinking.*

Sian Zelbo

Sian Zelbo will coordinate the instruction of the 7-8 age group at Epsilon. Sian Zelbo is a freelance math education consultant, writer, and teacher in New York City. Sian worked for four years as the Associate Director of the Center for Mathematical Talent at NYU, worked as the school math specialist at two New York City independent schools, and co-wrote and illustrated a book of logic activities for young people called *Camp Logic*. Sian has also spent many years running math circles and coaching teams for math competitions. Sian also develops extracurricular math activities to challenge young people, many of which can be found in her blog, 1001 Math Problems at www.1001mathproblems.com.

Lora Saarnio

Lora Saarnio is a math specialist for Grades 1-4 at The Nueva School in Hillsborough, CA, serving gifted and talented students. Lora is also Director of the Julia Robinson Mathematics Festival (www.jrmf.org). She recently won the Sarah D. Barder Fellowship, a national teaching award from Johns Hopkins Center for Talented Youth.

Maria Samuelson, Director of Programs and Admissions

Maria is involved with home school and gifted education groups and her local math club. She has a graduate degree in Theater History and Criticism and has taught university courses in performance art and performance studies. Maria looks forward to working with current and prospective Epsilon Camp families.

Cindy Lippard, Camp Operations Director

Cindy is heavily involved in gifted education. She has an undergraduate degree in Biology and a graduate degree in business. She is the founder of Willow Scholars, instructor, math team coordinator, and homeschooler. She applies her experience as a professional project manager to help the camp run efficiently. Cindy is a parent to a former Epsilon camper. Epsilon Camp holds a special place in her heart and the hearts of her family. She feels honored to join the staff.

Elizabeth Kappler, Parent Program Coordinator

Elizabeth Kappler is passionate about math and science education. She has an electrical engineering degree from Rose-Hulman Institute of Technology and is currently a software engineering manager at Intel. She runs several math clubs at her children's school and is heavily involved in education outreach with Intel. She is the parent of a former camper, and enjoys serving the parent community of Epsilon Camp.

Madhu Bhangi, Camp Operations

Madhu Bhangi has a Masters degree in Computer Engineering and is working at CenturyLink. He is the parent of an Epsilon Camp alumnus, and has been involved in Epsilon Camp since 2012. With his experience in logistics and management, Madhu works behind the scenes ensuring that camp runs smoothly while also contributing in many areas. He enjoys helping others in need, listening to books and learning new things.

Matt Kerr

Professor Matt Kerr teaches at Washington University in Saint Louis. (Ph.D., Princeton University, 2003) Prof. Kerr works in Algebraic Geometry, the subject which studies the solution sets of polynomial equations (“algebraic spaces”). Most of his current work centers on Hodge theory, which describes the influence of integrals and differential equations on the shape of these algebraic spaces, and plays a special role in their relation to modern theoretical physics and number theory.

Mark Saul

Mark Saul has touched the lives of thousands of mathematically gifted students through his work as a teacher and author. In his current position as Executive Director of the Julia Robinson Mathematics Festival, he works to bring interesting, enjoyable, and high-level mathematical content to students of every background. He has served as Director of the American Mathematics Competitions for the Mathematical Association of America, as President of the American Regions Mathematics League (ARML), Director of the Research Science Institute at MIT, as Director of the Center for Mathematical Talent at NYU's Courant Institute, and as associate editor of *Quantum*, *The Mathematics Teacher*, and the *AMS Notices*. His work with the International Mathematical Olympiad has continued since 1981, when he first served as coordinator. He has been a program officer for the National Science Foundation and a consultant in gifted education to the John Templeton Foundation. Saul has authored, edited or translated eight books and written numerous articles bringing advanced mathematics to wide audiences.

Katherine Socha

Katherine Socha teaches mathematics at The Park School of Baltimore. Her PhD from The University of Texas at Austin was in partial differential equations; her master’s paper focused on topology and Boolean algebra; and her undergraduate thesis wandered through category theory. Katherine (called Dr. chaoS by some of her students, who delight in the anagram) received the Mathematical Association of America’s Alder Award for distinguished teaching and Ford Award for expository excellence for her article Circles in Circles: Creating a Mathematical Model of Surface Water Waves. After becoming a tenured professor of mathematics at St. Mary’s College of Maryland, Katherine spent four years supporting career high school mathematics teachers at Math for America before returning to the challenges and satisfactions of teaching in her own classrooms.

Kris Warloe

A retired middle school mathematics teacher, Kris Warloe has been an Edith Mae Sycliffe Awardee (1997), Woodrow Wilson Fellow (1991), Presidential Awardee for Excellence in Teaching Math and Science (1992) recipient, MathCounts Question Writing Committee math problem writer, NCTM lesson writer, textbook reviewer, and State math assessment reviewer. He holds an M.Ed with Secondary Math Endorsement from Oregon State University.

Yun-zhi Zou

Professor of Mathematics, Sichuan University, Chengdu, China, Dr. Zou has published on variational inequality and its extensions. He is also the founder of the Chengdu Mathematics Circle and director of China’s Dipont competition math project.

Jonathan Weinstein

Jonathan Weinstein is Associate Professor of economics at Washington University in St. Louis, specializing in a branch of mathematics called “game theory” and its applications to economics. His work investigates “robustness” – that is, how small changes in a game, or in players’ perceptions of a game, may affect outcomes. This includes analyzing the importance of “higher-order beliefs”: what “I think you think I think,” etc. It matters more than you think. (At least, he thinks so.)

Jonathan won a gold medal at the 1994 International Math Olympiad and was the national winner of the 1991 Mathcounts competition. While his research focuses on games which model economic interactions, he is also an avid player of games in the more colloquial sense: he has placed second in national Contract Bridge tournaments.

David Wright

David Wright is an emeritus professor of mathematics at Brigham Young University. He received the MAA Intermountain Section Distinguished Teaching Award. In addition to his research and university teaching duties, he worked as content reviewer for Houghton-Mifflin for grades 5-6 and as mathematics advisor to Harcourt on grades K-6. More recently, he worked with Engage New York on Grade 6-7 Mathematics and Geometry. He founded the Brigham Young University Summer Math Camp in 2011 with grant from the Dolciani Foundation. He started one of the nation’s first Math Circle Programs at Brigham Young University.

Csaba Biro

Csaba Biro is an Associate Professor of mathematics at the University of Louisville. He received his PhD from Georgia Institute of Technology in 2008. His research interests are combinatorics of partially ordered sets, graph theory, and geometry. He has taught mathematically talented 6th graders in Hungary to prepare them for an intensive mathematics magnet program.

Tom Edgar

Tom Edgar is an associate professor of mathematics at Pacific Lutheran University in Tacoma, Washington. He received a Ph.D. from the University of Notre Dame after beginning his advanced studies at Colorado State University. His mathematical interests lie in the areas of algebraic combinatorics and the representations of Coxeter groups. More recently he has been interested in number theory as related to integer sequences and visualizing mathematics. He has worked closely with undergraduates on a number of summer research projects and is enthusiastic about working with future mathematicians of all ages.

Gabriel Sosa

Gabriel Sosa is a Visiting Assistant Professor at Amherst College. He worked as a Middle/High School teacher in Costa Rica for eight years before pursuing a graduate career as a Mathematician. He received his PhD from Purdue University in 2015. His research interests include Combinatorial and Computational Commutative Algebra, Graph Theory and Mathematics Education. He trained the teams that represented Costa Rica in the the Iberoamerican Mathematical Olympiads in 2000, 2001 and 2002, and the International Mathematical Olympiads in 2006 and 2007.