Ed Hallen is a co-founder of Klaviyo and has served as a member of our board of directors since September 2012 and as our Chief Strategy Officer since November 2024. Prior to that, Mr. Hallen held various roles within the Company from September 2012 to July 2016, before returning to the Company in July 2021 as our Chief Product Officer. Mr. Hallen is also the co-founder of Team Engine, a text-first human resources and operations platform, which he founded in January 2018 and served as Chief Executive Officer until April 2021. Prior to founding Klaviyo, Mr. Hallen served as Principal at Applied Predictive Technologies, a business analytics software company, from August 2004 to April 2010. Mr. Hallen holds a Bachelor of Science degree in
Systems Engineering from the University of Virginia and a Master of Business Administration degree from the Massachusetts Institute of Technology’s Sloan School of Management.