Meet Our Team

DR. CHARLES RODDIE
CEO

Charles has a BA in Mathematics (first class) from Trinity College, Cambridge, and a PhD in Economics from Princeton. He has lectured in Mathematics and Economics at Oxford and Cambridge universities. He is a fellow at Sidney Sussex College, Cambridge.

DR. KEVIN CROOKS
CTO

Kevin has a PhD in Mathematics from Cambridge, where he studied numerical methods and enjoyed explaining mathematical ideas. He has since become an experienced software developer and is now combining these skills at Summatic.

DANIEL APPLEBY, CFA
COO

Daniel graduated with a mathematics degree from York before pursuing a career in finance. He is experienced within the start-up space, having successfully founded a tuition business and worked as a manager at Monzo whilst completing his university studies. He cares passionately about education, having completed numerous projects within this field for the United Nations.

HUI LIU
VP

Liu is responsible for making sure we have a smooth and supported service for our users, and for partnerships to expand usage of our assessment and interactive textbook technology.

ANGELA LIM
Interactive Content

Angela has a BSc in Applied Physics from the University of the Philippines.
She has worked as a technical writer for 8 years and as a private tutor of mathematics and programming.

JOYCE JABBOUR
Head of Marketing

With a master’s degree in marketing and more than 8 years of experience, Joyce has a solid history of achievements in strategic and operational marketing, communication, brand management and content creation. She has successfully managed online and offline presence of companies and international brands in different countries and across multiple channels.