RockPort Capital Partners

RockPort Capital Partners is a Boston-based venture capital firm focused on energy, mobility, and sustainability. Founded in 1998, it targets investments across the United States with a global outlook and has offices in Boston and Menlo Park. The firm backs a broad range of industrial and consumer-facing companies whose technologies address significant energy and cleantech markets. It emphasizes a collaborative approach to investing and leverages deep domain expertise in energy, cleantech, and sustainability to help portfolio companies grow. RockPort is recognized as one of the largest and most established energy-focused venture capital firms, supporting companies through multiple stages of growth with hands-on guidance and strategic insight.

Alexander Ellis III

General Partner

William James

Co-Founder and General Partner

Charles J. McDermott

General Partner

David Prend

Managing General Partner

Stoddard Wilson

General Partner

Past deals in Ottawa

GaN Systems

Series C in 2015
GaN Systems develops and manufactures gallium nitride power switching transistors for various applications. Its products include 650 V E-HEMT and 100 V E-HEMT transistors, serving consumer brand and enterprise equipment manufacturers globally.

GaN Systems

Series B in 2012
GaN Systems develops and manufactures gallium nitride power switching transistors for various applications. Its products include 650 V E-HEMT and 100 V E-HEMT transistors, serving consumer brand and enterprise equipment manufacturers globally.

GaN Systems

Series A in 2011
GaN Systems develops and manufactures gallium nitride power switching transistors for various applications. Its products include 650 V E-HEMT and 100 V E-HEMT transistors, serving consumer brand and enterprise equipment manufacturers globally.
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