Mark Trethewy
Sustainability Manager at John Holland | Sydney, New South Wales, Australia
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Sustainability Manager at John Holland in January 2023 to Present
Environment & Sustainability Manager at Downer in April 2022 to February 2023
Sustainability Manager at Downer in April 2021 to February 2023
Sustainability Manager at Lendlease in April 2020 to March 2021
Environment & Sustainability Lead at Lendlease in January 2020 to April 2020
Environment & Sustainability Coordinator at Lendlease in November 2018 to December 2019
Environment & Sustainability Graduate on The Northern Road Upgrade Stage 3 at Lendlease in September 2017 to November 2018
Environment, Health & Safety Intern at WSP | Parsons Brinckerhoff - Asia Pacific in January 2016 to September 2017
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University of Sydney, Bachelor of Science & Arts, July 2026
The Scots College, July 1999 to July 2026
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Customer Service
Microsoft Excel
Research
Microsoft Office
Matlab
Organizational Leadership
Group Work
Critical Discourse Analysis
Field Work
Team Leadership
Management
English
Event Management
Public Speaking
Microsoft Word
Social Media
Teamwork
PowerPoint
Contamination Management
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Discover more about John HollandWhat is Mark Trethewy email address?
Email Mark Trethewy at [email protected] and [email protected]. This email is the most updated Mark Trethewy's email found in 2026.
How to contact Mark Trethewy?
To contact Mark Trethewy send an email to [email protected] or [email protected]. (updated on July 21, 2025)
What company does Mark Trethewy work for?
Mark Trethewy works for John Holland
What is Mark Trethewy's role at John Holland?
Mark Trethewy is Sustainability Manager
What is Mark Trethewy's Phone Number?
Mark Trethewy's phone (**) *** *** 118
What industry does Mark Trethewy work in?
Mark Trethewy works in the Civil Engineering industry.
Mark Trethewy Email Addresses
Mark Trethewy Phone Numbers
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