• Portage WI

Ronald F. Tetzlaff

Work History

Work History

Business Owner

May 1991 - Present
Tetzlaff Tree Service

Tree trimming and removal

Correctional Officer

Apr 1991 - May 2015
Columbia Correctional Institution

Supervision of the daily routines of inmates and staff

Quality Control Inspector

Apr 1989 - Apr 1991
Teel Plastics

Quality inspection of medical production parts



High School

Portage High School


I have recently retired from CCI and would like to know what positions are available with your company.