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Tim O’Brien

CEO, Ontario Systems

Tim O’Brien serves as the CEO of Ontario Systems. Tim brings a wealth of experience scaling fast-growing companies and helping customers thrive. For nearly a decade, Mr. O’Brien served as Chief Marketing and Commercial Operations Officer and in other key leadership roles for athenahealth, a leading cloud-based healthcare services company whose annual revenues grew dramatically during his tenure.

Responsible for developing athenahealth’s go-to-market strategy, service positioning, lead generation, channel partnerships, inside sales, sales enablement, and all commercial operations, Mr. O’Brien was not only focused on seizing market opportunities, but also committed to helping healthcare providers and their vendor partners strengthen their revenue cycle, improve the patient experience, and accelerate top and bottom-line growth.

Prior to joining Ontario Systems, Mr. O’Brien served as Chief Executive Officer of Groups Recover Together, an organization that provides effective and affordable treatment for opioid addiction.

Mr. O’Brien earned a degree in Finance from the Catholic University of America and an MBA from Babson College.