Andrew Bialecki is a co-founder of Klaviyo and has served as our Chief Executive Officer and as a member of our board of directors since September 2012. Prior to founding Klaviyo, Bialecki served as Chief Technology Officer of RockTech, a sales and marketing software company, from April 2011 to June 2012, Senior Engineer at Performable, a marketing software company, from July 2010 to March 2011, and Lead Engineer at Applied Predictive Technologies, a business analytics software company, from September 2007 to June 2010. Bialecki holds a Bachelor of Arts degree in Physics, Astronomy and Astrophysics from Harvard University.