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Our People

Our diverse team of engineers, scientists, and technical specialists is improving lives in communities around the world and shaping the future of water, the environment, sustainable infrastructure and renewable energy.

Headshot of Glyn Utting - A man with short, tousled hair and a light beard is looking directly at the camera, wearing a light gray button-up shirt. The background is plain white.
  • Our People

Glyn Utting – from graduate to Defence Portfolio Lead
Headshot of Rachel Kerr - A woman with long, dark hair who is looking at the camera with a neutral expression. She is outdoors, with modern buildings visible in the background. The image is in black and white.
  • Our People

Rachel Kerr – Associate Director, Ecology
Headshot of Duncan Gibb - A man with short hair and a goatee is smiling at the camera, wearing a gray blazer over a white shirt. He is standing in front of a dark blue wall.
  • Our People

Duncan Gibb – Director and Head of Asbestos Consultancy
Headshot of Laura Holmes - A woman with long red hair and glasses is smiling while wearing headphones. She is standing in front of a textured brick wall.
  • Our People

Laura Holmes, Associate Ecologist and UK bat specialist
Black and white headshots of Max Daley and Oli Hay - A split image featuring two black-and-white portraits. On the left, a young man in a white shirt and patterned tie is looking at the camera. On the right, another young man in a dark shirt is smiling at the camera.
  • Our People

Max Daley and Oli Hay – Apprentice Project Managers
Headshot of Ollie Proud - A man with curly hair and a beard is smiling at the camera, dressed in a formal suit with a boutonnière on his lapel. The image is in black and white.
  • Our People

Oliver Proud – Trainee Project Control Manager
Headshot of Katie Baker - A woman with long, straight hair tied back in a ponytail is smiling at the camera, wearing a black long-sleeve top. The background is a plain light color.
  • Our People

Katie Baker – Apprentice M&E Engineer
Headshot of Chris Mackowski - A smiling man wearing a navy blue T-shirt with the Tetra Tech logo stands in front of a doorway. He has short hair and a light beard, with plants visible in the background.
  • Our People

Chris Mackowski – Associate Geospatial Surveyor
A train approaching on railway tracks during sunset, with overhead electrical lines and surrounding greenery.
  • Our People

Sam Royal – Transport Engineer
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