***Sign up for multiple classes and you will receive a 10% discount on all subsequent classes you take beyond the first one. You will also receive a 10% discount off your class registration fees for each additional student you refer to us; click on the "more info" link for more details.

About the Instructors

Tim Sanders - A former President of the American Regions Math League (ARML), Tim Sanders has coached ARML students in over a dozen states and has led both the SFBA/NorCal and Wild Wild West ARML teams to national championships in their respective divisions. Tim is the founder and President of mathleague.org and has promoted math competitions around the world, giving talks or organizing contests on six continents. In addition to having several years experience as a classroom teacher, Tim has taught a number of classes for Stanford's EPGY program and has taught AMC prep classes at all levels. Tim also developed the curriculum for an AoPS geometry class and has co-taught several classes for Art of Problem Solving.

Michael Chen - Michael is the Chief of Staff at mathleague.org, and he can often be found working in areas ranging from running contests and producing tests to teaching classes and coaching the Wild Wild West and Missouri ARML teams. During high school, he frequently competed in many contests, qualifying for AIME 5 times while earning awards from ARML, mathleague.org National Championships, and the US National Chemistry Olympiad. He is currently completing his Master's in Electrical and Computer Engineering at Vanderbilt University, and in his spare time, he enjoys spending time with friends, watching shows, and exploring new places.

Ian Leyendecker - Ian is the Director of Online Contests at mathleague.org. He frequently competed in math contests in middle and high school before starting an internship with mathleague.org in college. He attends college at the University of Alabama in Huntsville, majoring in Computer Science with minors in Mathematics and Russian. He is a former National Merit Scholar and has several years of experience tutoring and teaching. Outside the classroom, Ian enjoys reading and writing science fiction and playing video games.

Classes may also be co-taught by other mathleague.org staff members if enrollment is large enough; we will try to keep the student/teacher ratio as low as possible while still providing excellent value for your money.