Dr. Buchalter has served as a director since July 2019. Dr. Buchalter is the Chief Executive Officer of Place Exchange, Inc., a technology company in the digital advertising space, a position he has held since July 2021. From May 2017 to July 2021, Dr. Buchalter served as the Chief Executive Officer of Intersection Holdings, LLC (“Intersection”), a leading smart cities media and technology company. At Intersection, Dr. Buchalter’s responsibilities included leadership of the Infosec Leadership Team, which was responsible for overseeing the company’s security and risk management issues, including data security and privacy issues. From July 2008 to January 2017, Dr. Buchalter served as the Chief Operating Officer and then President of MediaMath, a leading programmatic advertising technology platform. From January 2005 to April 2008, Dr. Buchalter was a Senior Partner at the marketing consultancy and agency Rosetta, where he led the Digital Media & Technology vertical. Prior to that, Dr. Buchalter was an Associate Principal in McKinsey & Company’s Media & Technology practice and a founding member of their Innovation practice. Dr. Buchalter holds a B.S. in Physics from Stanford University, a Ph.D. in Astronomy from Columbia University, and was a postdoctoral fellow in Theoretical Astrophysics at the California Institute of Technology.

Dr. Buchalter is a business executive with significant experience building and leading technology companies. Dr. Buchalter’s expertise as a business executive includes business administration, sales and marketing, product development, engineering, and operations, providing him with a perspective that the Board values.