Isaac is the Founder & CEO of Justworks. Prior to founding Justworks, Isaac worked at Etsy where he designed, built and launched the company’s payment processing platform. Isaac came to Etsy through the acquisition of Adtuitive, a contextual advertising startup which he co-founded. He has held product management and software development positions at Amazon.com, Yahoo!, NCSA and Lucent Technologies. In addition, he served as an intelligence officer in the National Guard and Army Reserve. Isaac holds an MBA from Cornell University and a BS in Computer Science from the University of Illinois at Urbana-Champaign.