Jon Ezrine is CEO of Brillion, responsible for guiding the company’s business goals, values, strategy, development, culture, and growth.

Ezrine has more than 34 years of executive experience in the software industry. Prior to Brillion, he served as CEO of Castellan Solutions, a SaaS provider of business continuity and crisis management software solutions. He has expertise leading rapidly growing SaaS software businesses backed by both venture capital and private equity sponsors.

Ezrine has successfully guided companies through mergers and acquisitions by focusing on seamless integration and maximizing value for stakeholders, customers, and employees. Previously, he served as chief operating officer for Nexidia, and senior vice president and chief financial officer for Witness Systems.

Brillion, a leading SaaS company that leverages AI, behavior and data insights in a modern application suite, enables North American utilities to turn energy customer relationships into true partnerships. The organization collaborates with utilities exploring new initiatives for energy savings, electrification, and other clean energy-related demands based on changing market needs.

The company was founded in 2024 through acquisitions of four world-class, energy-focused industry software companies—Apogee Interactive, AIQUEOUS, energyOrbit, and EnergyX Solutions. It is backed by M33 Growth, a growth stage investment firm.

Ezrine was graduated from the University of Virginia in finance.

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  Chief Executive Officer (CEO) in Brillion

  The Utility Customer Engagement Platform