Ellen Hickey holds a B.S. in electrical engineering and a M.S. in computer science and has 20 years of experience working in high tech. In the summer of 2008, Ellen completed the Math Circle Teacher Training Institute. In addition to leading math circle classes for children in grades K-3, she also tutors high school students in math.

Jim Connolly holds a B.S. in Physics and a M.S. in Management and
is currently employed as an environmentalscientist. Previously,
Jim served as a naval submarineofficer and instructor in navigation
and systems engineering at the U.S. Naval Submarine School in Groton,
CT.