About Us


To provide IB - MYP mathematics teachers the resources they need to effectively and efficiently assess the performance and potential of their students.

History and The Founders

The EdVaults was started by two MYP mathematics teachers who taught in Shanghai, China together. Through their experience with software task banks, textbooks, and MYP workshops, Michael and Denes realized that not only was creating quality assessments using the MYP criteria very difficult for teachers to do, but that there was a severe lack of resources and guidance available to help them in that process. As a result Michael and Denes started The EdVaults, a one-stop shop for MYP mathematics assessment needs for teachers.

Michael Tarnow


Denes Tilistyak


Michael is a former MYP and DP mathematics teacher who previously taught in several international schools in China. He holds a B.S. in Inclusive Education with a minor in Mathematics from Syracuse University and an M.A. in Instructional Technology and Media from Columbia University. Michael was also previously an educator at the National Museum of Mathematics in New York City and is currently a learning design consultant for STEM programs at Columbia University’s Center for Teaching and Learning.


Denes has been teaching both MYP and DP mathematics for over 15 years. He is a DP examiner, former DPC, and founder of the HighFour Competitions. After earning his B.A. in Mathematics and English Language and Literature, he started teaching in public schools in the USA. He then moved to teach in international schools in the Philippines, in China (where he also earned his M.Ed. degree), and he is now in Sudan, becoming familiar with IMYC and IGCSE.