Theresa B. Mazzullo - CEO

Theresa Mazzullo has been the CEO of Excell Partners since 2006. She has a 30 year track record in business, finance and entrepreneurship. Having owned and sold a small business, she brings firsthand knowledge, unique skills, and proven experience to the seed stage investment arena. In her role as CEO, her duties include governance, compliance, reporting, community integration, finance and fundraising.

Experience in founding and operating a company
Theresa spent six years as President & Principal of EPIC Advisors, Inc a 401(k) retirement plan company with $1.5 billion in retirement plan assets. In her capacity as President, she built an infrastructure that supported annual revenue growth of 20%. She also directed business planning process regarding business strategy and tactics in the areas of finance, sales, marketing, administration, operations and information technology to ensure increased profitability and the achievement of the company vision. Ultimately, she led the team for a successful exit in 2005.

Experience in industry other than VC
As a former banker, Theresa held various positions within financial institutions, including a Senior Vice President of First National Bank, where she established and built a Trust and Investment Division while the bank was under a Consent Order by the office of the Comptroller of the Currency. She managed to grow the Trust & Investment Division to $125 million in five years and at the same time built and managed the infrastructure to support the broker-dealer business unit for the bank.

Community Activity
Her community activity includes: Chair, Monroe County Industrial Development Authority (COMIDA); Member, Finger Lakes Regional Economic Development Council; Member-Executive Committee, Greater Rochester Enterprise Board; Board Member, High Technology Rochester; Chair of Memorial Art Gallery; Trustee, Farash Foundation.

Excell Partners, Inc.
Excell Partners is an affiliate of the University of Rochester. It is a seed stage fund which invests in technologies emerging from the communities and universities across upstate New York. With over $9 million under management, Excell has invested in 27 companies across multiple industry sectors. Excell is one of only six venture firms in New York State to receive funding from ESDC’s Innovate NY fund. 

Theresa can be reached at (585) 458-7335 or



Seed NY

Our mission is to help create an innovation-based economy in NYS by advocating for the support of high-tech start-ups at the seed stage.