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About Me

Marcos DeLeon is a forward-thinking leader with diverse experience guiding teams through transformation and growth. At Shirley Ryan Ïã¸ÛÁùºÏ²Ê¼´Ê±¿ª½±, he oversees human resources for 2,800 team members representing clinical, research, support services and administrative functions. In addition to serving at its flagship hospital in downtown Chicago, employees also are based at the organization¡¯s sites of care throughout Chicagoland and via its alliance organizations based in various locations, including Michigan and Minnesota.

With more than 20 years of executive-level experience, Marcos has distinguished himself as an employee champion and a collaborative, creative leader. Over the course of his career, he has created robust total rewards programs; implemented initiatives to help employees grow in their careers; developed diversity, equity and inclusion programs that foster community and belonging; and enhanced programs that support employees¡¯ well-being and mental health.

Prior to joining Shirley Ryan Ïã¸ÛÁùºÏ²Ê¼´Ê±¿ª½± in 2024, he served as Chief Human Resources Executive for Ascension in Wisconsin, leading employee hiring, engagement and growth at 17 hospital campuses encompassing more than 12,000 team members. Prior, he served as Chief Human Resources Officer and Chief Diversity Officer at RUSH University System for Health and also led human resources at other large and complex academic medical centers ¡ª Johns Hopkins All Children¡¯s Hospital in Florida and University Health in Missouri. Earlier, he held several HR roles at UPS.

Marcos earned his Bachelor of Arts and Master of Arts from Baker University.