Amy Schachle is a Senior Instructor in Mathematics at the University of Tulsa and has been teaching math since 2003. She has taught at the high school and college level, and strives to engage students in understanding the “why” questions in math and in having fun with math.  She has led sessions for the Tulsa Girls’ Math Circle, Sonia Kovalevsky Day (for middle and high school girls) and professional development workshops for K-12 teachers.  She is actively involved in the Oklahoma-Arkansas Section of the Mathematical Association of America, and encourages all math enthusiasts to get involved in the MAA or a similar math organization.


Janica is an Applied Assistant Professor of Mathematics at The University of Tulsa.  She received her BS in Applied Mathematics in 2001 from TU and received her PhD in Computer Science in 2006 from TU.  Her interests include education and STEM outreach.  


Melissa Stirling is a middle school mathematics educator and MathCounts coach.  National Board Certified in Early Adolescent Mathematics, she has been teaching 6th through 8th grade math for over 20 years. Melissa enjoys puzzles, games and escape rooms. 


Bill received his PhD from Texas Tech University and has been the Chairman of Mathematics at The University of Tulsa for over 28 years.  His primary research interests have been in the areas of mathematical statistics and probability, to various fields including: remote sensing, energy, law, biology, medicine, and engineering.  Bill also plays a key role in helping Donna Farrior set up and run the Tulsa Girls’ Math Circle (TGMC). . 

The Circle meets at:

The University of Tulsa
Keplinger Hall, Room 3160
430 S Gary Place
Tulsa, OK 74104