
John Grothaus
I currently serve as Vice President of Operations Indiana Division at Ozinga Ready Mix Inc. I have... | Crown Point, Indiana, United States
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John Grothaus’s Emails jo****@oz****.com
John Grothaus’s Phone Numbers No phone number available.
Social Media
John Grothaus’s Location Crown Point, Indiana, United States
John Grothaus’s Expertise I currently serve as Vice President of Operations Indiana Division at Ozinga Ready Mix Inc. I have held many different positions in the ready mix profession. In over 25 years in the trade I have experienced many obstacles and adversities. These years have not only extended my knowledge in concrete and the industry, but has also given me the chance to learn aspects in general business and management. I find pride that I motivate myself in times of challenge and that I am always seeking professional advancement.
John Grothaus’s Current Industry Ozinga
John
Grothaus’s Prior Industry
Certified Concrete
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Smith Ready Mix
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Ozinga
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Ozinga Bros
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Work Experience

Ozinga
Vice President Of Operations
Sun Sep 01 2019 00:00:00 GMT+0000 (Coordinated Universal Time) — Present
Ozinga
Operations Manager
Wed Mar 01 2017 00:00:00 GMT+0000 (Coordinated Universal Time) — Sun Sep 01 2019 00:00:00 GMT+0000 (Coordinated Universal Time)
Ozinga
Quality Control / Operations
Wed Apr 01 2015 00:00:00 GMT+0000 (Coordinated Universal Time) — Wed Mar 01 2017 00:00:00 GMT+0000 (Coordinated Universal Time)
Ozinga Bros
Quality Control
Thu Jan 01 2004 00:00:00 GMT+0000 (Coordinated Universal Time) — Thu Jan 01 2009 00:00:00 GMT+0000 (Coordinated Universal Time)
Ozinga
Management
Mon Feb 01 1999 00:00:00 GMT+0000 (Coordinated Universal Time) — Present
Ozinga Bros
Plant Management
Mon Feb 01 1999 00:00:00 GMT+0000 (Coordinated Universal Time) — Wed Apr 01 2015 00:00:00 GMT+0000 (Coordinated Universal Time)
Smith Ready Mix
Plant Mangement
Thu Jan 01 1998 00:00:00 GMT+0000 (Coordinated Universal Time) — Fri Jan 01 1999 00:00:00 GMT+0000 (Coordinated Universal Time)
Smith Ready Mix
Dispatcher
Wed Jan 01 1997 00:00:00 GMT+0000 (Coordinated Universal Time) — Thu Jan 01 1998 00:00:00 GMT+0000 (Coordinated Universal Time)
Smith Ready Mix
Quality Control
Sun Jan 01 1995 00:00:00 GMT+0000 (Coordinated Universal Time) — Wed Jan 01 1997 00:00:00 GMT+0000 (Coordinated Universal Time)
Certified Concrete
Quality Control Manager
Sat Jan 01 1994 00:00:00 GMT+0000 (Coordinated Universal Time) — Sun Jan 01 1995 00:00:00 GMT+0000 (Coordinated Universal Time)
Certified Concrete
Dispatcher / Plant Manager
Fri Jan 01 1993 00:00:00 GMT+0000 (Coordinated Universal Time) — Sat Jan 01 1994 00:00:00 GMT+0000 (Coordinated Universal Time)