John Grantham: Email & Phone Number

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Vice President of Operations and EHS at Diamond Infrastructure Solutions|Lake Jackson, Texas, United States

Position:

Vice President of Operations and EHS at Diamond Infrastructure Solutions

Location:

Lake Jackson, Texas, United States

View John Grantham's Email

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Last updated: 2026-08-21

Updated: 2026-08-21

Found email addresses for John Grantham:

Business emails:

j********m@dow.com,

j*******m@dow.com,

j***********m@dow.com

Personal emails:

j********m@hotmail.com,

s**********s@hotmail.com

Found phones for John Grantham:

+1-870-***-**37,

+1-520-***-**25

A different John Grantham?

Work Experience 22 years

Vice President of Operations and EHS at Diamond Infrastructure Solutions

Jul 2026 - Current

Site Director at Dow

Aug 2023 - Jul 2026

Plant Manager - Light Hydrocarbons Manufacturing at Dow

Aug 2022 - Jul 2026

Polyethylene Plant Manager at Dow

Nov 2018 - Jul 2022

Operations Strategic Projects at Dow

Jun 2016 - May 2021

Production Leader at Dow

Sep 2013 - Jun 2016

Optimization Engineer at Dow

Oct 2012 - Sep 2013

Production Engineer at Dow

Jul 2010 - Oct 2012

Process Safety Engineer at Dow

Jun 2008 - Jul 2010

Process Engineer at Dow

Jul 2004 - Jun 2008

John Grantham started working in 2004, then the employee has changed 2 companies and 9 jobs. On average, John Grantham works for one company for 2 years 9 months.

Education

Bachelor of Science (B.S.) at Virginia Polytechnic Institute and State University

Frequently Asked Questions

What is John Grantham's email address?

SignalHire found verified email addresses for John Grantham, both business and personal. Their business email is j********m@dow.com, and personal emails include j********m@hotmail.com, and s**********s@hotmail.com.

What is John Grantham's phone number?

SignalHire found multiple verified phone numbers for John Grantham: +1-870-***-**37, and +1-520-***-**25.

How do I contact John Grantham at Diamond Infrastructure Solutions?

You can reach John Grantham 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 John Grantham's professional background?

John Grantham has 22 years of professional experience. They have held roles including Site Director, Plant Manager - Light Hydrocarbons Manufacturing, and Polyethylene Plant Manager at companies such as Dow, Dow, and Dow. Their education includes Bachelor of Science (B.S.) from Virginia Polytechnic Institute and State University.

Is John Grantham's contact information up to date?

Yes. John Grantham's SignalHire profile was last updated on 21 August 2026, reflecting their current position as Vice President of Operations and EHS at Diamond Infrastructure Solutions in Houston, Texas, United States.

John Grantham Namesakes

Name

Company

Position

John Grantham

STS

Information Technology Engineer

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Ben Grantham

Marco Technologies

Printer Technician

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John Grantham

Renaud Carpentry LLC

Construction Laborer

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Other employees at Diamond Infrastructure Solutions

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Company

Position

Kevin Munson

Diamond Infrastructure Solutions

Quality and Measurment Specialist

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Kortny Barba

Diamond Infrastructure Solutions

Document Administrative Specialist

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Laura Cardenas

Diamond Infrastructure Solutions

I&E Apprentice

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Ramiro Barrera

Diamond Infrastructure Solutions

Production Engineer

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Brandis Nathan

Diamond Infrastructure Solutions

Production Engineer

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Roxanne Ruscio

Diamond Infrastructure Solutions

Maintenance Engineer

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Luis Guerra

Diamond Infrastructure Solutions

Production Engineer

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Jason Kennedy

Diamond Infrastructure Solutions

Treasury Manager

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Patrick Horner

Diamond Infrastructure Solutions

Associate Director Business Development

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Grayson Van Pelt

Diamond Infrastructure Solutions

Maintenance Engineer

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