Acquiring and building enduring businesses.
We partner with exceptional owners and operators, combining a long-term mindset with dedicated technology investment.
Who we are
We built Stromness with a focus on alignment - with entrepreneurs, with operators, and with customers.
As experienced investors, we understand that the value of businesses is in their people.
Our Team
Zachary Dinan
Co-Founder
Zach co-founded Stromness in 2026. Prior to co-founding Stromness, Zach was a Principal at Haveli Investments. Zach lives in New York City with his wife. He earned an AB in Economics from Harvard College and an MBA from Harvard Business School.
Favorite food: Sourdough Bread
Favorite book: The Count of Monte Cristo
Favorite leisure activity: Hiking
Seamus FitzPatrick
Co-Founder
Seamus co-founded Stromness in 2026. Prior to that, Seamus was a Vice President at Clearlake Capital Group. Seamus lives in New York City with his wife. He earned a BS in Economics from Duke University and an MBA from Harvard Business School.
Favorite food: Chicken Parm
Favorite book: Red Rising
Favorite leisure activity: Distance Running
Let’s begin the conversation.
We can be the right partner for an entrepreneur looking for their next phase of growth, and equally, for an owner seeking a long-term home for their business.