Brendan O'Connell

Chief Product Officer

Brendan is an experienced Product leader specializing in business transformation and growth who joined the DomainTools team in 2024. He’s responsible for the strategy and delivery of our portfolio including the Research, Engineering, and Product organizations. With over 20 years in Cybersecurity, he brings a passion for doing right by our clients, and doing right by the broader community of Cybersecurity professionals.

Prior to DomainTools, Brendan held similar roles at IANS Research, Illusive (acquired by ProofPoint), and Forescout. He also co-founded FactorChain (acquired by SumoLogic), and was a longtime Product leader in Cisco’s security portfolio.