Russell Horowitz

Russell Horowitz is best known as a co-founder of Marchex, a digital advertising analytics company specializing in call analytics and conversational intelligence that helps brands measure and optimize the performance of their marketing spend across phone-based customer interactions. He served as CEO of Marchex for many years following its founding in 2003, guiding the company through its IPO on the Nasdaq and building it into a recognized player in performance-based advertising and mobile marketing analytics. Under his leadership, Marchex made significant acquisitions to expand its capabilities in local and mobile advertising, including the landmark purchase of a large portfolio of domain names and digital advertising assets. Prior to Marchex, Horowitz served as President of Go2Net, an internet company that was acquired by InfoSpace, where he subsequently served as President. These roles gave him deep experience in internet search, directory services, and online advertising during the formative years of the digital media industry. His career arc spans the full evolution of digital advertising from early internet search to sophisticated call-based attribution and AI-driven conversational analytics. Horowitz has remained closely involved with Marchex in his capacity as Chairman, helping to steer the company's strategic direction as it has evolved its product suite around AI and analytics for marketers seeking to understand consumer intent expressed through voice and digital conversations.

Last updated Oct 22, 2026 by ATDb automated enrichment