Josh serves as the CMO at SparkPost where he is focused on accelerating the adoption of its cloud email infrastructure. He also sits as an Industry Advisor on Agari's advisory board. Prior to joining SparkPost, he served as postmaster at Twitter for four years. Josh was the Co-Founder and CEO of RestEngine before the company was acquired by Twitter. At RestEngine he led the launch of its industry-leading social data outbound marketing automation platform. With over 12 years of marketing best practices and email deliverability experience, Josh has led the best practices & deliverability teams at leading outbound marketing technology platforms, including Marketo, Lyris, EmailLabs and Topica. Additionally, with over 18 years of experience at tech startups, Josh has been involved in the success of many early stage startups including Collab.Net & Intershop. Josh holds a Bachelor’s in Physics from San Francisco State University and was awarded the Faculty Prize in Physics from Bishop’s University.