Jose de Castro is the CTO for APIs and Integrations within Cisco’s Collaboration Technology Group, leading the effort to open Cisco Spark’s cloud collaboration platform to any developer seeking to embed voice, video and text-based collaboration into their applications.

A serial entrepreneur, he co-founded Tropo in 2009, a leading communications-as-a-service provider. As CTO, Jose set the technical and strategic product direction, leading Tropo to a successful exit in 2015. With a passion for education and healthcare, Jose hopes to drive real change in both industries through richer and more productive communication.