As CTO of CallHub, Chetan owns the product strategy for their call center software, automated voice messaging and SMS marketing software. Before CallHub, Chetan was associated with BlueJeans Network and NetApp, where he worked on cloud, video, analytics and enterprise storage products. Chetan is the author of the book Learning Python Design Patterns, he takes keen interest in mobile apps, platform engineering, distributed systems, real time cloud applications and evangelises open source.