John Douglas

Corporate Officer/Principal at

Australian Institute of Co. Directors

Net worth: 16 769 $ as of 2026-05-30

63 year

82 connections

Commercial Services

Industrial Services

Consumer Services

Profile

John Matheson Douglas formerly worked at Boral Ltd., as Chief Executive Officer & Divisional MD from 1995 to 2010, Tetra Tech Coffey Pty Ltd., as Chief Executive Officer, Executive Director & MD from 2011 to 2015, RPS Group Ltd., as Chief Executive Officer from 2017 to 2023, Coffey International Ltd., as Chief Executive Officer & Director from 2011 to 2016, and Tetra Tech, Inc., as Independent Director from 2024 to 2025.
Mr. Douglas received his undergraduate degree from the University of Adelaide and Masters Business Admin degree from London Business School.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
TETRA TECH, INC. 0%	2025-02-26	610 ( 0% )	16 769 $	2026-05-30

John Douglas active positions

Companies	Position	Start
Australian Institute of Co. Directors Australian Institute of Co. Directors Miscellaneous Commercial ServicesCommercial Services Promotes governance and develops leadership skills	Corporate Officer/Principal	-

All active positions of John Douglas

Former positions of John Douglas

Companies	Position	End
TETRA TECH, INC.	Director/Board Member	2025-02-26
RPS GROUP	Chief Executive Officer	2023-08-31
Coffey International Ltd. Coffey International Ltd. Miscellaneous Commercial ServicesCommercial Services Provides consulting and engineering services	Chief Executive Officer	2015-12-31
BORAL LTD.	Chief Executive Officer	2010-06-30
COFFEY INTERNATIONAL LIMITED	Chief Executive Officer	-

See the detail of John Douglas's experience

Training of John Douglas

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of John Douglas's experience

Connections

1st degree connections

1st degree companies

Male

Female

Members of the board

Executives

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Linked companies

Private companies	8
Tetra Tech, Inc. Tetra Tech, Inc. Engineering & ConstructionIndustrial Services Provides consulting and engineering services	Industrial Services
Boral Ltd. Boral Ltd. Construction MaterialsNon-Energy Minerals Develops and produces construction materials	Non-Energy Minerals
RPS Group Ltd. RPS Group Ltd. Miscellaneous Commercial ServicesCommercial Services Provides consulting services for energy, transport, water, resources, defense and government sectors	Commercial Services
Tetra Tech Coffey Pty Ltd. Tetra Tech Coffey Pty Ltd. Engineering & ConstructionIndustrial Services Provides geotechnical, environmental, testing, project management services	Industrial Services
University of Adelaide University of Adelaide Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
London Business School London Business School Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Australian Institute of Co. Directors Australian Institute of Co. Directors Miscellaneous Commercial ServicesCommercial Services Promotes governance and develops leadership skills	Commercial Services
Coffey International Ltd. Coffey International Ltd. Miscellaneous Commercial ServicesCommercial Services Provides consulting and engineering services	Commercial Services