Tim Griffiths


Tim founded CI in 2007 and has more than 30 years Supply Chain, Business Improvement and Capital Project experience. He has also successfully established two other consulting firms during that time. Tim’s six sigma black belt training, no-nonsense approach to improvement and vast Global Supply Chain and Project experience have been at the heart of the skills that have enabled him to establish CI as a leader in the Business Capability sector.

John Edwards

Senior Advisor

John has a long history as a successful Supply Chain recruitment and labour hire professional across Australia and internationally. In recent years he ran the successful ProcureNet Labour Hire and Recruitment company in Queensland. John leads Cl’s People Division and, with the help of our extensive database of resources, can help support your organisation to build the right team for your needs.

Henk de Vos

Senior Consultant / Business Manager – WA/SA/NT/TAS

Henk’s has worked in domestic and global supply chain roles for some of Australia’s leading companies. Equipped with an MBA, Henk has successfully designed and delivered strategic transformational projects across multiple business sectors in his 30-year career. These include: resources, engineering, construction, aviation, utilities, light and heavy manufacturing, defence and financial services.

Chris Bevin

Senior Consultant

Chris has worked in mining, resources, infrastructure and energy project management in Australia and overseas for nearly two decades. She is recognised for her balanced judgement, adaptability and commitment to meeting strategic outcomes. Chris is an Australian Institute of Project Management Certified Practicing Project Manager, holds an MBA and is working towards a Masters in Project Management.

Tom Whiting

Senior Consultant

Tom is a master of internal and external stakeholder engagement. He’s worked as a project professional in Australia and overseas for 15 years. His background in global energy, coupled with his experience in the emerging alternative energy sector have made him an expert when it comes to planning, sourcing and executing multi-billion-dollar projects in rapidly changing industries with challenging environments.
. Tom holds an MBA from Durham Business School and is a Project Management Institute-certified Project Management Professional.

Mark Smith

Senior Consultant

Mark is a supply chain expert with more than a decade of experience working on large mining contracts in Australia and overseas. He is highly experienced in overseeing contracts on load-and-haul, drill-and-blast explosives and exploration drilling. Mark combines a “hands-on” approach with innovative procurement strategies, to ensure our clients achieve optimal operational efficiency based on their individual requirements.

Adrian Calligaris

Senior Consultant

Adrian is an experienced commercial lead working with owners, teams, EPCMs, consultants and all tiers of contractors in the mining, oil and gas and construction industries. Highly proficient in strategy development, negotiations, cost management, change management and contractor management ensuring effective completion and delivery of projects, well suited to CI’s Supply Chain process and service offering

Steph Cush

Project Officer

Steph joined Critical Input in 2017, bringing with her the skills of a communications degree, her warmth, adaptability and willingness to roll her sleeves up and get the job done. She loves working on projects due to the variety they bring, and the fact she’s always learning something new. Steph is a great team player who brings a practical approach to her work and thoroughly enjoys developing new connections on each project she works on.