Principal
J3L Investments
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Jeff Grindle Email & Phone Number
Principal
at
J3L Investments
1 work email found
@oldcastleinfrastructure.com
1 phone found area 403
LinkedIn matched
✓ Verified Jun 2026
4 data sources
Profile completeness 86%
Who is Jeff Grindle? Overview
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Quick answer
Jeff Grindle is listed as Principal at J3L Investments, based in Carroll, Iowa, United States. AeroLeads shows a work email signal at oldcastleinfrastructure.com, phone signal with area code 403, and a matched LinkedIn profile for Jeff Grindle.
Jeff Grindle previously worked as Innovation & Opex Manager at Oldcastle Infrastructure and Multi-site Plant Manager Oldcastle Infrastructure at Oldcastle Infrastructure.
Company email context
Email format at J3L Investments
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{first}.{last}@oldcastleinfrastructure.com
86% confidence
AeroLeads found 1 current-domain work email signal for Jeff Grindle. Compare company email patterns before reaching out.
Profile bio
About Jeff Grindle
Jeff Grindle is a Principal at J3L Investments. He possess expertise in product design, cad, inventor, product development, autodesk inventor and 23 more skills.
Listed skills include Product Design, Cad, Inventor, Product Development, and 24 others.
Current workplace
Jeff Grindle's current company
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10 roles
Jeff Grindle work experience
A career timeline built from the work history available for this profile.
Innovation & Opex Manager
Current
Apr 2022 - Present
Multi-Site Plant Manager Oldcastle Infrastructure
Mar 2021 - Apr 2022
Plant Manager
May 2020 - Aug 2021
Branch Manager
Sep 2019 - May 2020
Operation/Engineering Manager
Meridian Manufacturing Inc.
Jan 2018 - Sep 2019
Engineering Manager - Design/Innovation
Sep 2015 - Jan 2018
R&D Design Engineer
Feb 2013 - Sep 2015
Designer
Petersen Mfg
Aug 2007 - Dec 2012
Drafter
Sep 2004 - Sep 2007
FAQ
Frequently asked questions about Jeff Grindle
Quick answers generated from the profile data available on this page.
What company does Jeff Grindle work for?
Jeff Grindle works for J3L Investments.
What is Jeff Grindle's role at J3L Investments?
Jeff Grindle is listed as Principal at J3L Investments.
What is Jeff Grindle's email address?
AeroLeads has found 1 work email signal at @oldcastleinfrastructure.com for Jeff Grindle at J3L Investments.
What is Jeff Grindle's phone number?
AeroLeads has found 1 phone signal(s) with area code 403 for Jeff Grindle at J3L Investments.
Where is Jeff Grindle based?
Jeff Grindle is based in Carroll, Iowa, United States while working with J3L Investments.
What companies has Jeff Grindle worked for?
Jeff Grindle has worked for J3L Investments, Oldcastle Infrastructure, Hancock Concrete Products Llc, Meridian Manufacturing Inc., and Petersen Mfg.
How can I contact Jeff Grindle?
You can use AeroLeads to view verified contact signals for Jeff Grindle at J3L Investments, including work email, phone, and LinkedIn data when available.
What skills is Jeff Grindle known for?
Jeff Grindle is listed with skills including Product Design, Cad, Inventor, Product Development, Autodesk Inventor, Manufacturing, Solidworks, and Solid Modeling.
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