Jack Holthe

Jack Holthe: Email & Phone Number

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Design Engineer at Iowa Rotocast Plastics, Inc.|Platteville, Wisconsin, United States

Position:

Design Engineer at Iowa Rotocast Plastics, Inc.

Location:

Platteville, Wisconsin, United States

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Last updated: 2026-04-15
Updated: 2026-04-15

Found email addresses for Jack Holthe:

Business emails:
Personal emails:
h***@grizzlycoolers.com

Found phones for Jack Holthe:

+1-520-***-**51,
+1-520-***-**91,
+1-870-***-**93
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Work Experience

Design Engineer at Iowa Rotocast Plastics, Inc.

Jan 2023 - Current

Design Engineer at GRIZZLY COOLERS

Jan 2023 - Current

Jack Holthe started working in 2023, then the employee has changed 1 company. On average, Jack Holthe works for one company for 3 years 4 months.

Their professional focus is 3D Printing, Computer-Aided Design (CAD), and Engineering across 3 core areas.

Education

Bachelor of Engineering - BE at University of Wisconsin-Platteville

Frequently Asked Questions

What is Jack Holthe's email address?

SignalHire found verified email addresses for Jack Holthe, both business and personal. Their business email is h**@irpinc.com, and personal emails include h***@gmail.com, and h***@grizzlycoolers.com.

What is Jack Holthe's phone number?

SignalHire found multiple verified phone numbers for Jack Holthe: +1-323-***-**41, +1-520-***-**51, and +1-520-***-**91.

How do I contact Jack Holthe at Iowa Rotocast Plastics, Inc.?

You can reach Jack Holthe through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is Jack Holthe's professional background?

They have held roles including Design Engineer at companies such as GRIZZLY COOLERS. Their education includes Bachelor of Engineering - BE from University of Wisconsin-Platteville.

Is Jack Holthe's contact information up to date?

Yes. Jack Holthe's SignalHire profile was last updated on 15 April 2026, reflecting their current position as Design Engineer at Iowa Rotocast Plastics, Inc. in Decorah, IA, United States.

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