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Team

Meet the People Behind CoCalc

SageMath, Inc. (the company behind CoCalc) comprises a small yet diverse group of people worldwide who are unified behind the common goal of progressing open-source mathematical software and cloud-based technology for the scientific community. Each team member brings unique perspectives and specializations that continue to push the development of products like CoCalc and its features toward the frontier of educational use and research. As you'll see, all of our executive team members at SageMath, Inc. are trained mathematicians, each with their own strengths.
  • William Stein

    CEO and Founder of SageMath, Inc.

    Get to know the math prodigy behind CoCalc and SageMath, Inc.: William Stein. A Berkeley graduate and an ardent mathematician with over 15 years of experience in teaching and research, William’s passion for number theory and computational science has led him down a remarkable path. Learn more about William's remarkable career here, or reach out to say hello at [email protected].
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  • Harald Schilly

    CTO at SageMath, Inc.

    Harald’s life-long dedication to coding, profound knowledge, and dynamic personality have been invaluable in shaping CoCalc’s operations and success. Initially a key contributor to the SageMath open-source mathematics software while studying Optimization, Harald now exercises his talent for adopting new technologies and algorithms by consistently pushing CoCalc's capabilities into new and exciting territory. Learn more about Harald's enthusiam for software here, or reach out to Harald at [email protected] for more information about his projects or for advice on the perfect marinara sauce.
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  • Andrey Novoseltsev

    COO at SageMath, Inc.

    Andrey went through graduate school as a student and then an instructor in Russia, USA, and Canada. With an interest in software development starting with early childhood experience on Soviet ES EVM, he used SageMath extensively both in his Ph.D. research and teaching and now oversees day-to-day operations at SageMath, Inc. Learn more about Andrey's passion for CoCalc as an educational tool here, or reach out to Andrey at [email protected] for custom quotes and special care for your purchasing orders and invoices.
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  • Blaec Bejarano

    CSO at SageMath, Inc.

    As a 2021 graduate from Oregon State University with an M.S. in Mathematics, Blaec uniquely combines advanced mathematical modeling skills with a thriving energy for mountain climbing and music. His academic expertise focuses on applying numerical analysis and partial differential equations to model physical phenomena. Learn more about Blaec's ardor for mountaineering and geophysics here, or reach out to Blaec at [email protected] to talk about computational applied mathematics, software development/integration opportunities, or possible partnerships with SageMath.
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