Founded in 2005, Excell Partners is a venture capital firm based in Rochester, New York, that invests in a range of sectors, including medical device, material, energy, biotechnology, ag-tech, imaging, information technology, and software. The firm maintains a for-profit discipline by structuring each investment with convertible debt and equity returns, allowing the fund to become self-sustaining or evergreen over time. Excell seeks to invest in companies based in New York.