About Celerium

Tommy McDowell is a seasoned leader in cyber threat intelligence, risk management, and information security who has helped private sector and governmental organizations transform their cybersecurity understanding and practices. As the General Manager of Celerium, McDowell leverages his nearly 20 years of experience, thought leadership and insight in cybersecurity and threat intelligence to help businesses and organizations defend their supply chains.  

McDowell came to Celerium from the Retail & Hospitality Information Sharing and Analysis Center (RH-ISAC). During his tenure as vice president of intelligence, he overhauled the organization’s intel team and capabilities, significantly increasing intelligence sharing and member engagement. He also served as deputy director of the ISAO (Information Sharing and Analysis Organization) Standards Organization, providing strategic guidance and standards review.

Previously, McDowell was senior director of cyber threat intelligence at a global cybersecurity company. In this capacity, he worked to align security posture and business vision, addressed organizational risk through intelligence-led risk management strategies.  He has also designed and evolved cyber security programs and practices for critical infrastructure including the development of standards for control systems security with the National Institute of Standards and Technology (NIST). 

McDowell proudly served in the U.S. Army, and also held a position at NCIS. 

Lyndsi started her marketing career at a boutique agency in Washington, D.C. that served political and issue advocacy clients as well as technology clients (including HP, Intel, Google, and Lenovo to name a few). Since then, she’s worked in several industries, from online publishing to the highly regulated financial services area. She earned a BA in Public Relations from Florida State University and an MA in Communication, Culture, and Technology from Georgetown University. A member of the Forbes Communication Council, her published writing covers topics including crisis communications and building strong company cultures.

Chris has held executive-level positions in software delivery, product management, professional services, and served as the worldwide customer training and certification leader for IBM Tivoli. He has extensive experience in the software delivery lifecycle (SDLC), courseware development, training delivery, and, certification testing. In addition to his years of experience as as an executive in the high tech industry, Chris’ formal education includes a PhD, MS and MBA.

Nate Shiflett is an experienced CISO with a proven track record in developing and executing cybersecurity strategies. A few highlights from his career include roles as: CISO for the State of Florida, leading security initiatives at a large scale; Cybersecurity Consultant – Critical Infrastructure OT at the U.S. Air Force; Director of Posture and Compliance at Sylint; Linux System Administrator for the U.S. Navy.

Vince Crisler has more than 25 years of IT and cybersecurity leadership within the Department of Defense, federal civilian government, and private sector. Previously, he was CEO and Founder of Dark Cubed, a cybersecurity product company focused on innovative solutions for small and midsize companies which was acquired by Celerium in 2022.