Profile Preview — Altss
GreenGage Capital (David Johnsen Family Office) Overview
Type
Single Family Office
Year Founded
2013
General Information
GreenGage Capital (David Johnsen Family Office) is a single-family office headquartered in Wilmette, United States. Founded in 2013, it manages the wealth generated by David Johnsen’s 35-year institutional equities and asset-management career at Continental Bank, Bank of America, and as a founding partner of Chicago Equity Partners. The firm allocates private capital to alternative and early-stage opportunities—pursuing disciplined, thematic investments in industrial technology and defense.
Contact Information
Website:
https://www.greengagecap.com
Year Founded:
2013
Investment Focus & Strategy
Open To First Time Funds:
Institution Type:
Single Family Office
Leadership & Principals
Corporate Office:
Wilmette, IL, United States
Portfolio & Notable Allocations
Altss Insights
Need institutional-grade insight on family offices?
Altss delivers:
- • Live OSINT deal alerts
- • Allocation history by asset class
- • Principals with verified direct contacts
Prefer a guided tour?
We’ll walk you through:
- • Interactive funding timelines
- • Custom mandate & allocation filters