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

President & CEO

Russell F. Klinegardner, CSP

Chief Operating Officer

Marc Sekula

Chief Financial Officer

Tommy Hysler, M.D., MPH

Chief Medical Officer

Christine Sandel

Vice President of Operations - Training

Cami Siewers

Vice President of Operations - Strategic Services

Amanda A. Allred

Vice President of Innovation & Development

Patti Siewers

Vice President of Human Resources