Riley Grennan

Riley Grennan has extensive experience in cybersecurity and telecommunications, holding multiple roles at AT&T from May 2017 to November 2024, including Associate Director - Cybersecurity, Principal Cybersecurity Product Manager, and Lead Cybersecurity Product Manager. Key accomplishments include orchestrating a capital tool audit to reduce expenses, identifying misspending in the UpFront Ordering System, and improving management decision-making through data reporting. Prior experiences include grading assignments and assisting in course development at Missouri University of Science and Technology, as well as technical roles at Grennan Communications Co, where Riley installed and serviced telecommunication systems. Education includes a Bachelor of Science in Information Science and Technology from Missouri University of Science and Technology and an Associate of Arts in General Studies from Missouri State University-West Plains.