EVP and Chief Information Security Officer

As Chief Information Security Officer (CISO), Justin Dellaportas brings years of cybersecurity experience and leadership. He is responsible for securing Syniverse’s global telecommunications and enterprise messaging network and maintaining the trust of clients around the world. Justin specializes in the strategy and development of cybersecurity organizations and program execution.

Before Syniverse, Justin played a pivotal role with Nielsen, transforming the Cybersecurity organization’s people, processes, and technologies. Earlier in his career, Justin was an engineer working for the global security and aerospace company Lockheed Martin. Justin’s proven track record of maturing organizations' cybersecurity posture, overseeing growth strategies, and creating world-class teams has earned him a well-respected reputation in his field.

Justin holds a bachelor's degree in industrial engineering and a minor in business administration from the University of Central Florida. During his career, he has also earned a GIAC Security Essentials Certification (GSEC) from the SANS Institute and a Lean Six Sigma Green Belt certification. In 2023, he was recognized as one of Tampa Bay Business Journal's "40 Under 40," which spotlights emerging leaders younger than 40 in the Tampa Bay business community.