Robert Mackellar, Director at TTW

Robert Mackellar

Director at TTW | Greater Sydney Area, Australia

Profile last verified July 2026
Civil Engineering Verified Profile Greater Sydney Area, Australia UNSW
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Work Email

***@ttw.com.au

Last verified May 2026

Personal Email

***@bigpond.net.au

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Phone Number

(**) *** *** 219

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Robert Mackellar currently serves as the Non-Executive Chair and Director at Taylor Thomson Whitting (TTW), a civil engineering consultancy headquartered in the Greater Sydney Area. In this capacity, he guides a privately owned firm that has operated for over sixty-five years while delivering structural, traffic, and façade engineering services to developers and architects. Holding credentials from the University of New South Wales, he helps direct the organization’s strategy to engineer innovative and economical designs for complex public and private sector projects.

BEST APPROACH TO REACH Robert Mackellar

A sales rep or recruiter should reach him via a targeted LinkedIn message or direct work email that opens with a concise case study on large-scale civil infrastructure aligned with TTW’s structural and traffic engineering focus.

Robert Mackellar Socials
Robert Mackellar Work Experience

Director at TTW in July 1998 - Present

Executive Chairman at TTW Engineers (Taylor Thomson Whitting) in July 2023 - Present

Non Executive Chair at TTW in July 2024 - Present

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Managing Director at Taylor Thomson Whitting (TTW) in February 2018 - June 2023

Structural Engineer, Associate Director, Technical Director at TTW Engineers (Taylor Thomson Whitting) in February 1985 - June 1998

Civil Design Engineer at Snowy Mountains Engineering Corporation in January 1983 - February 1985

Cadet Engineer at Snowy Mountains Engineering Corporation in January 1981 - December 1982

Robert Mackellar Education

UNSW, BE (Civil), August 1979 to August 1982

Robert Mackellar Skills
Design Management Value Engineering Structural Engineering Healthcare Adaptive Reuse
About Robert Mackellar’s Current Company
TTW

As award-winning consulting engineers, for over 65 years we’ve partnered with architects, developers, builders and project managers to tackle the most complex projects and engineer their vision. A privately owned Australian company, our strong reputation exists due to our proven ability to produce innovative, economical and elegant designs in the public and private sector. We offer the benefits of scale with respective disciplines successfully delivering significant projects through structural, civil, traffic and façade engineering services. Focusing foremost on the client’s goal, our design approach is customised for every project. Our solutions are enhanced by our dedicated and integrated teams' approach and the use of advanced engineering techniques for modern materials. ONE TTW is our ethos, which encapsulates all the experienced, smart and creative people that make us who we are. We value; integrity, teamwork, innovation, communication, sustainability, and our community.

Discover more about TTW
Robert Mackellar’s Colleagues
Sina Azad

Sina Azad

Greater Sydney Area

Associate (Structural) at Taylor Thomson Whitting (TTW) | PhD

Associate (Structural) at TTW Engineers (Taylor Thomson Whitting)
(January 2024 – Present)

Structural & Earthquake Research Engineer | Seismic R&D | Modelling | Technical Investigation

Supervising Master and PhD students on various topics in structural and earthquake engineering.

Key research projects:

1. Seismic Behaviour of RC Slender Walls Based on Analytical and Mechanical Based Methods.

2. Seismic Behaviour of RC Columns with Shear-Flexure Failure Ba...

Rich Maher

Rich Maher

Greater Melbourne Area

Talent Acquisition Lead @ TTW - we’re hiring!

Talent Acquisition Lead at TTW
(Sep 2025 – Present)

Andrew Hendrickson

Andrew Hendrickson

San Diego County, California, United States

Talent Acquisition Leader

Delivering top talent in the AI/ML/Data/Cloud technology, software, entertainment & media space.

Mohammad Vahab

Mohammad Vahab

Sydney, New South Wales, Australia

Senior Structural Engineer / Adjunct Lecturer

Key Responsibilities
• Concrete Structures: Design and review of residential, infrastructure, commercial projects. In the majority of projects, I have used ETABS to develop the structural model. Meanwhile, I have used ABAQUS and Strand7 to conduct advanced numerical analysi...

Atreyu Lacy

Atreyu Lacy

Melbourne, Victoria, Australia

TTW Regional Director (Vic)

Executive Director at TTW Engineers (Taylor Thomson Whitting)
(Jul 2022 – Present)

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Frequently asked questions about Robert Mackellar

What is Robert Mackellar email address?

Email Robert Mackellar at [email protected] and [email protected]. This email is the most updated Robert Mackellar's email found in 2026.

How to contact Robert Mackellar?

To contact Robert Mackellar send an email to [email protected] or [email protected]. (updated on July 2026)

What company does Robert Mackellar work for?

Robert Mackellar works for TTW.

What is Robert Mackellar's role at TTW?

Robert Mackellar is Director

What industry does Robert Mackellar work in?

Robert Mackellar works in the Civil Engineering industry.

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