David Johnston

David Johnston: Email & Phone Number

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Director at GPA Engineering|Greater Adelaide Area, Australia

Position:

Director at GPA Engineering

Location:

Greater Adelaide Area, Australia

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Last updated: 2026-05-07
Updated: 2026-05-07

Found email addresses for David Johnston:

Business emails:
Personal emails:
d***@outlook.com,
j***@live.com,
d***@gmail.com

Found phones for David Johnston:

+61-424-***-*07,
+61-470-***-*78
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Work Experience 34 years

Director at GPA Engineering

Jun 1994 - Current

Instrumentation Engineer at Exearne

Jan 1992 - May 1994

David Johnston started working in 1992, then the employee has changed 1 company and 1 job. On average, David Johnston works for one company for 17 years 2 months.

Their professional focus is Change Management, Commissioning, and Contract Management across 3 core areas.

Education

Bachelor at Curtin University

Diploma at KneeDeep

Diploma at TAFE SA

Frequently Asked Questions

What is David Johnston's email address?

SignalHire found verified email addresses for David Johnston, both business and personal. Their business email is j**@gpaeng.com.au, and personal emails include d***@hotmail.com, d***@outlook.com, and j***@live.com.

What is David Johnston's phone number?

SignalHire found multiple verified phone numbers for David Johnston: +61-428-***-*51, +61-424-***-*07, and +61-470-***-*78.

How do I contact David Johnston at GPA Engineering?

You can reach David Johnston 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 David Johnston's professional background?

David Johnston has 34 years of professional experience. They have held roles including Instrumentation Engineer at companies such as Exearne. Their education includes Bachelor from Curtin University, and Diploma from KneeDeep.

Is David Johnston's contact information up to date?

Yes. David Johnston's SignalHire profile was last updated on 7 May 2026, reflecting their current position as Director at GPA Engineering in Unley, South Australia, Australia.

David Johnston Namesakes

Name
Company
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David Johnston
United States History Teacher
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David Johnston
Business Development Representative
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