# Theresa Mazzullo

> Theresa Mazzullo is a Rochester-based investor and CEO emeritus of Excell Partners. She led Excell beginning in 2006, co-founded Impact Capital NY, and remains engaged in regional entrepreneurship and mentorship. Her earlier career included banking and leadership of EPIC Advisors.

- **Role:** CEO emeritus at Excell Partners
- **Organizations:** Excell Partners, Impact Capital NY, NextCorps, Greater Rochester Enterprise, Max and Marian Farash Charitable Foundation, Finger Lakes Regional Economic Development Council, NewYorkBIO, EPIC Advisors, Memorial Art Gallery, The Lawyers’ Fund for Client Protection of the State of New York
- **Education:** Bachelor of Arts; Spanish major with economics study, Spring Hill College, Graduate banking degree, ABA Stonier Graduate School of Banking, Venture Capital Institute
- **Known for:** Led Excell through growth to more than $80 million in assets under management by the time of her announced CEO transition., Co-founded Impact Capital NY, described by NewYorkBIO as a $32 million privately held venture fund., Received Upstate Capital’s Ecosystem Champion Award in 2025.

## Career timeline

- **Early career** — Worked in multiple departments at her father’s bank in Middlesboro, Kentucky; later worked at Central Trust and Chase in Rochester.
- **1993** — Took responsibility for First National Bank of Rochester’s trust department, as described in a 1998 retrospective.
- **2002–2012** — Served as trustee and treasurer of New York’s Lawyers’ Fund for Client Protection.
- **2005** — EPIC Advisors, where she was president and principal, was acquired by NBT Bancorp.
- **2006** — Began her tenure as CEO of Excell Partners.
- **2013** — Presented the proposed Impact Capital investment strategy to Monroe County’s industrial development corporation with regional partners.
- **2017** — Impact Capital announced $12 million in commitments and readiness to review investment opportunities; Mazzullo was a general partner.
- **2026** — Transitioned to CEO emeritus at Excell; Rami Katz became CEO.

## Achievements

- Led Excell through growth to more than $80 million in assets under management by the time of her announced CEO transition.
- Co-founded Impact Capital NY, described by NewYorkBIO as a $32 million privately held venture fund.
- Received Upstate Capital’s Ecosystem Champion Award in 2025.
- Received the Boys & Girls Club of Rochester Lifetime Achievement Award in 2019, according to her LinkedIn profile.
- Named to Rochester Business Journal’s Circle of Excellence in 2019 and Power 100 in 2025.

## Latest updates

- **2026-06** — Spoke as Excell CEO emeritus and NextCorps director about the resources and mentorship Rochester startups need to scale.
- **2025-12** — Announced her upcoming CEO transition to Rami Katz and received regional recognition for her entrepreneurship work.

## Links

- Website: https://excellny.com
- LinkedIn: https://www.linkedin.com/in/theresa-mazzullo-b7577a4

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Profile page: https://yespress.io/theresa-mazzullo
Published by YesPress — https://yespress.io
Last updated: 2026-10-10