Demetrios Dounis is the Managing Partner and a member of the Investment Committee at Heartwood Partners, bringing over 18 years of private equity experience to his work. His expertise spans platform and add-on acquisitions, with a focus on sectors such as environmental services, industrial services, engineered products, specialty materials / chemicals, and packaging. At Heartwood Partners, Demetrios Dounis oversees portfolio management, working closely with leadership teams to drive growth and operational improvements across the firm’s portfolio companies.
Before joining Heartwood Partners, Mr. Dounis held a key role at Clean Earth, where he led the firm’s expansion through seven acquisitions in four years. His contributions earned recognition from The M&A Advisor, which presented the firm with the Private Equity Deal of the Year award for 2019. He currently serves as Chairman of the board for the following portfolio companies including The Amlon Group, VitalSpace, Norlee Group, Royal Products providing strategic guidance and governance. Formerly Chairman of the Board of UW Solutions (which was sold in 2024); formerly on the board of M&Q Holdings (which was sold in 2025)
Demetrios Dounis earned an MBA from the University of Chicago Booth School of Business, specializing in finance, entrepreneurship, and strategic management. He is a CFA Charterholder and CPA, and acquired a BS in accounting from Rutgers University. An active member of professional organizations, including the CFA Institute and the AICPA, Mr. Dounis remains committed to advancing the private equity field.