About this episode
Gayatri Kalyanaraman is in conversation with Sunil David, Digital Technology Consultant |Ex-Regional Director(IOT)- AT&T we discuss What does it take to evolve from installing multiplexers in the 90s to becoming one of India’s most respected IoT evangelists and startup mentors? In this episode, Sunil David shares his three-decade journey across telecom, IoT, and digital transformation. Early Career FoundationsSunil began his professional journey in 1994, right after completing his Electronics and Communication Engineering. Unlike many peers who shifted to unrelated fields, he was one of the “lucky few,” as he puts it, to continue working in his chosen discipline for decades.First role – Multiplexers & Railway Networks His very first assignment was with a small company where he installed multiplexers across India’s railway network. These devices connected mainframe computers to remote terminals, ensuring reliable communication across long distances. This hands-on experience with infrastructure and connectivity became the bedrock for his later work in telecom.CMS Computers – Networking Era He then moved to CMS Computers, focusing on LAN and WAN networking solutions. This gave him exposure to enterprise IT and network integration, skills that were highly relevant when India’s telecom sector was on the cusp of privatization.Telstra Wecom (1996) – Entering Telecom’s Liberalization Phase A pivotal career move came in 1996 when Sunil joined Telstra Wecom, a joint venture between Telstra Australia and VSNL (later Tata Communications). This was just two years after India opened its telecom sector to private players—a historic shift.AT&T and Passion for IoTAfter short but formative experiences in networking, VSAT installations, and enterprise software, 2000 marked a turning point when Sunil joined AT&T. What began as a role in sales grew into a 14-year career where he rose to become Regional Head for South India, handling enterprise connectivity services.Focused on telecom and enterprise connectivity, including mobile, landline, and data services for large enterprises.Built strong CXO-level relationships, gaining insight into how enterprises viewed technology not just as infrastructure, but as enablers of business growth.Developed a strategic mindset: learning how to sell not just technology, but business outcomes—a
