GreyLion courts companies at an awkward threshold: too established to improvise forever, too promising to sell the future for a spreadsheet. Its answer is patient capital, operating discipline and a four-part playbook built for founders who still want a hand on the wheel.
For 40 years, Summit Partners has looked for founders who already found something that works - then handed them capital and a playbook to make it bigger. The results include Uber, McAfee, Klaviyo, and $9.5 billion of fresh dry powder.