Tom Tansy

Tom Tansy is the CEO and co-founder of DER Security Corp (DERSec), where he leads the company’s strategic vision and technical direction. A serial entrepreneur, Tom previously founded several companies that achieved successful exits to Microsoft and Cisco before turning his focus to the energy sector. He went on to found the SunSpec Alliance, the industry consortium he helped grow into an internationally recognized standard body, defining interoperability standards — including SunSpec Modbus and IEEE 2030.5 — for solar, storage, and other grid-edge devices. Tom’s rare combination of enterprise technology pedigree and deep energy standards expertise gives DERSec a strong foundation at the intersection of cybersecurity and the modern grid edge.