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Excell Partners CEO to retire; successor named
Excell Partners CEO to retire; successor named
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After nearly two decades at the helm of Excell Partners, CEO Theresa Mazzullo will step down in January, marking a significant leadership transition for one of the region’s most active seed-stage investment firms. Chief Operating Officer Rami Katz will succeed her as CEO.
Mazzullo’s tenure transformed Excell from a modest $2 million seed fund into a venture capital organization managing more than $80 million in assets.
Under her leadership, Excell solidified its reputation as a key player in early-stage investing across Upstate New York, backing high-growth startups and fueling regional innovation. Most recently, the firm launched its Upstate Biotech Venture Fund, underscoring its commitment to advancing life sciences entrepreneurship.
Mazzullo called the transition part of a long-planned succession strategy and praised Katz’s “vision and passion to take Excell to the next level.” Katz, who has worked closely with Mazzullo for years, has been central to the firm’s operational expansion and portfolio growth.
Though retiring from the CEO role, Mazzullo will remain engaged in economic development as CEO Emeritus, continuing to support the region’s innovation ecosystem and entrepreneurial community.
A former banker and an RBJ Power List honoree this year, Mazzullo previously spent six years as president and principal of EPIC Advisors, a 401(k) retirement plan company.
She is active on numerous local boards and recently received the Upstate Capital Association of New York’s Ecosystem Champion Award for her contributions to strengthening the state’s investment landscape.
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