"Customer focused,
Values Driven"


The senior management of Delta Group averages more than 15 years of experience in their respective areas of expertise. In addition, these individuals have been active participants in the leadership of the company for many years, averaging more than 10 years of employment at Delta Group.


Harry C. Mueller
President & CEO

Kary Ann Taha

Tod Cummins
Director of Corporate Quality Assurance

Carla Tennyson
Director of Human Resources

Roland Hernandez
Information Systems/Data & Communications Manager

Ron Reef
Southeast Regional Manager, Florida Operation

Brett R. Greer
Southwest Regional Manager, New Mexico and California Operation

Phil Cutler
Plant General Manager, California Operation

Trey Johnson
Plant General Manager, Texas Operation

Mary Royal
Acting Plant General Manager, Arkansas Operation