William S. currently serves as a Staff Developer Advocate at OneSignal, where the platform supports over a million businesses in sending 12 billion messages daily. Prior roles include Advisor at PhazeRo, Software Engineer at GitHub with responsibilities as a core maintainer for GitHub Desktop, and part-time Instructor of full-stack web development at 2U. William S. has also worked as a BI Consultant at Infusion, where data warehouse implementation was a key focus, and contributed to various projects at Pariveda Solutions in different consultant roles. Earlier experience includes database development at Wood Group Kenny, software development contracts at Hartigen and Harris Corporation, and software engineering at Applied Information Sciences. William S. holds a Bachelor of Science in Computer Science from Trinity University.