Our Team

Marc Greitens

Chief Operating Officer

As Chief Operating Officer at SHIFT, Marc focuses on management oversight for high-quality, cost-effective, and integrated clinical and non-clinical functions. His work also involves spearheading strategic initiatives related to program and service design, people management and development, and financial performance. He was most recently Chief Operating Officer of Engaged Health Solutions, LLC, a Chicago-based health and well-being company serving clients in a wide range of industries. For nearly 20 years, he has served and led growth and turnaround initiatives for early stage and mid-sized organizations across a wide spectrum of industries, including real estate finance, financial services, transportation, and e-commerce. Marc graduated magna cum laude from Boston University with a Bachelor of Arts in English and later pursued studies at Yale University and Northwestern University. 

An avid reader of fiction and non-fiction, Marc’s reading list is an eclectic mix ranging from ancient Greek philosophy to recent scholarship on 20th century statecraft to journal articles on new findings about the nature of the cosmos.  He enjoys outdoor activities of nearly all types with hiking, cycling, snowshoeing, and playing soccer being among some of his favorites.