Co-founder and CEO

Jason Oberg, Ph.D.

Dr. Jason Oberg is Chief Executive Officer and co-founder of Tortuga Logic, where he is responsible for overseeing the company’s technology and strategic positioning. Dr. Oberg works closely with the Tortuga Logic team to facilitate capital, partnerships and revenue on all products and services. As a leading expert in hardware security, Dr. Oberg brings years of intellectual property and unique technologies to the company. His work has been cited over 700 times and he holds six issued and pending patents. He received his B.S. in Computer Engineering from UC Santa Barbara and an M.S. and Ph.D. in Computer Science from UC San Diego.

Co-founder

Jonathan Valamehr, Ph.D.

As co-founder of Tortuga Logic, Dr. Jonathan Valamehr manages all internal operations and corporate strategy, including talent attraction, capital acquisition and customer development. Under his leadership, Tortuga Logic has grown from concept to a venture-backed, revenue generated company. Prior to co-founding Tortuga Logic, Dr. Valamehr worked in Computer Architecture, where his research focused on leveraging emerging technologies and cross-disciplinary tools to build secure, high-speed microprocessors. Dr. Valamehr earned his B.S., M.S. and Ph.D in Electrical and Computer Engineering from the UC Santa Barbara.

Co-founder

Ryan Kastner, Ph.D.

Dr. Ryan Kastner has over 10 years of experience in the realm of hardware security. Most notably, he has served as principal investigator on numerous hardware security related government and industrial grants totaling over $300 million. Among them include the National Science Foundation Innovation Corps award, which focuses on commercializing technology from academia. Currently, Dr. Kastner is a professor in the Computer Science and Engineering Department at UC San Diego, where he focuses on computer system design with an emphasis on critical and real-time applications. Dr. Kastner holds a Ph.D. in Computer Science from UCLA and received an M.S. in engineering and B.S. in Electrical Engineering and Computer Engineering from Northwestern University.

Co-founder

Tim Sherwood, Ph.D.

For over a decade, Dr. Tim Sherwood’s hardware security expertise has spanned both industry and academia. Since 2003, he has been a professor in the department of Computer Science at UC Santa Barbara, where he leads an award-winning, government funded research lab focused on the development of novel computer architecture for security, monitoring and control. Dr. Sherwood was the recipient of the 2009 Northrop Grumman Teaching Excellence Award, the National Science Foundation Career Award and the ACM SIGARCH Maurice Wilkes Award. He graduated from UC Davis in 1998 with a B.S. in Computer Science and Engineering and holds an M.S. and Ph.D. from UC San Diego (2003).

Jason Oberg, Ph.D.

– Co-founder and CEO

Dr. Jason Oberg is Chief Executive Officer and co-founder of Tortuga Logic, where he is responsible for overseeing the company’s technology and strategic positioning. Dr. Oberg works closely with the Tortuga Logic team to facilitate capital, partnerships and revenue on all products and services. As a leading expert in hardware security, Dr. Oberg brings years of intellectual property and unique technologies to the company. His work has been cited over 700 times and he holds six issued and pending patents. He received his B.S. in Computer Engineering from UC Santa Barbara and an M.S. and Ph.D. in Computer Science from UC San Diego.


Jonathan Valamehr, Ph.D.

– Co-founder and COO

As Chief Operating Officer and co-founder of Tortuga Logic, Dr. Jonathan Valamehr manages all internal operations and corporate strategy, including talent attraction, capital acquisition and customer development. Under his leadership, Tortuga Logic has grown from concept to a venture-backed, revenue generated company. Prior to co-founding Tortuga Logic, Dr. Valamehr worked in Computer Architecture, where his research focused on leveraging emerging technologies and cross-disciplinary tools to build secure, high-speed microprocessors. Dr. Valamehr earned his B.S., M.S. and Ph.D in Electrical and Computer Engineering from the UC Santa Barbara.


Ryan Kastner, Ph.D.

– Co-founder

Dr. Ryan Kastner has over 10 years of experience in the realm of hardware security. Most notably, he has served as principal investigator on numerous hardware security related government and industrial grants totaling over $300 million. Among them include the National Science Foundation Innovation Corps award, which focuses on commercializing technology from academia. Currently, Dr. Kastner is a professor in the Computer Science and Engineering Department at UC San Diego, where he focuses on computer system design with an emphasis on critical and real-time applications. Dr. Kastner holds a Ph.D. in Computer Science from UCLA and received an M.S. in engineering and B.S. in Electrical Engineering and Computer Engineering from Northwestern University.


Tim Sherwood, Ph.D.

– Co-founder

For over a decade, Dr. Tim Sherwood’s hardware security expertise has spanned both industry and academia. Since 2003, he has been a professor in the department of Computer Science at UC Santa Barbara, where he leads an award-winning, government funded research lab focused on the development of novel computer architecture for security, monitoring and control. Dr. Sherwood was the recipient of the 2009 Northrop Grumman Teaching Excellence Award, the National Science Foundation Career Award and the ACM SIGARCH Maurice Wilkes Award. He graduated from UC Davis in 1998 with a B.S. in Computer Science and Engineering and holds an M.S. and Ph.D. from UC San Diego (2003).