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Executive Leadership Team

The HASC leadership team blends a history of industry expertise with visionary thinking, championing every aspect of the business from innovative offerings to customer service.

Luis Aguilar

Luis Aguilar

President & CEO
Russell F. Klinegardner

Russell F. Klinegardner, CSP

Chief Operating Officer

Marc Sekula

Chief Financial Officer
Tommy Hysler

Tommy Hysler, M.D., MPH

Chief Medical Officer
Christine Sandel

Christine Sandel

Vice President of Operations - Training
Cami Siewers

Cami L. Hysler

Vice President of Operations - Strategic Services
Amanda A. Allred

Amanda A. Allred

Vice President of Innovation & Development
Patti Siewers

Patti Siewers

Vice President of Human Resources