Jason Santamaria

Jason Santamaria joined AEA as an Operating Partner in 2026. In his role, he is primarily focused on working with portfolio companies to maximize value creation through enhanced growth initiatives and improved operating performance.

Before joining AEA, Jason served as Chief Executive Officer of ABX, a multi-site flexible packaging manufacturing business, and was Managing Director in Blackstone’s Portfolio Operations group. Earlier in his career, he held senior leadership roles at Stanley Black & Decker, Serta Simmons Bedding, and Avery Dennison, where he drove growth, margin improvement, and operational excellence across complex industrial businesses. He began his career in consulting at McKinsey & Company and in investment banking at Morgan Stanley, following service as an Artillery Officer in the United States Marine Corps and Fulbright Scholar in South America.

Jason holds an MBA from The Wharton School of the University of Pennsylvania and a BA in Economics from the University of Texas at Austin.