Skip to Content
mobile menu
Sign In

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
 
Tommy Hysler

Tommy Hysler, MD, MPH

Chief Medical Officer
 
Patti Siewers

Patti Siewers

Vice President of Human Resources
 
Christine Sandel

Christine Sandel

Vice President of Operations
 
Cami Siewers

Cami Siewers

Vice President of Strategy & Development
 
Amanda A. Allred

Amanda A. Allred

Vice President of Special Projects