Updated:
Grumman Hill Group
Grumman Hill Group was established in 1985 by James T. Kelsey. Kelsey and partner James T. Bunch built the platform from proceeds of their prior private equity...
Grumman Hill Group
Grumman Hill Group was established in 1985 by James T. Kelsey. Kelsey and partner James T. Bunch built the platform from proceeds of their prior private equity and investment banking work. The firm operates as a multi-family office that accepts capital from additional high-net-worth families. The firm executes direct co-investments and SPVs in growth-stage and venture capital opportunities. Asset classes include private equity, natural resources and select real assets. Confirmed geographic reach covers North America and Europe. Sector exposure spans ClimateTech, Energy Transition & Renewables, Industrial Tech, GovTech, Robotics & Automation, SpaceTech and Supply Chain & Logistics. Technology emphases include AI/ML, Cybersecurity, Enterprise Software and Semiconductors. Additional offices operate in New Canaan, Connecticut and Denver, Colorado. Philanthropic vehicles Grumman Hill Montessori Association and The Murray Foundation. No public AUM figure or headcount has been disclosed. The firm maintains a hybrid structure that combines family capital with external high-net-worth commitments while retaining direct investment decision rights at the partner level.
General information
Firm type
Multi Family Office
Year founded
1985
Location
Region
North America
Country
United States
City
Greenwich
Corporate office
Greenwich, CT, United States
Additional offices
New Canaan, CT, United States · Denver, CO, United States
Principals
James T. Kelsey
General Partner and Founder
James T. Bunch
Managing Member and Partner
Andre Haroche
Partner and Advisor
Ellen Murray Kelsey
Family Member
Sector focus
Frequently asked questions
Who runs investment decisions at Grumman Hill Group?
James T. Kelsey serves as General Partner and Founder. James T. Bunch acts as Managing Member and Partner. Andre Haroche participates as Partner and Advisor.
How does Grumman Hill Group source proprietary deal flow?
The firm relies on the operational and financial networks developed by Kelsey and Bunch during prior private equity and investment banking careers.
Is Grumman Hill Group structured as a single family office or does it operate more like a venture firm?
It functions as a multi-family office that accepts capital from multiple high-net-worth families while executing direct investments.
Does Grumman Hill Group participate in fund commitments or only direct deals?
The firm focuses on direct co-investments and SPVs rather than primary fund commitments.
What investment stages does Grumman Hill Group typically target?
The firm targets growth equity and venture capital stages in small to mid-market companies.
Where does the underlying wealth come from?
Wealth originated from the private equity and investment banking activities of James T. Kelsey and James T. Bunch.
Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.
Need institutional-grade insight on family offices?
Altss delivers:
Prefer a guided tour?
We’ll walk you through: