Team

Tim Griffiths

Director

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.

Trevor O’Neill

Senior Consultant / Business Manager

Trevor O’Neill is a versatile project manager with 30+ years local and international experience across health, civil and commercial construction, mining/resources, contracts/procurement and major sporting organisations. He has advanced project management skills with a solid track record of successful project delivery across many industries. Trevor is an engaging and enthusiastic leader who communicates well and inspires teams to achieve.

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

Consultant

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.

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.

Russell Wood

Senior Consultant

Russell is a solutions-driven supply chain professional who has been analysing and optimising businesses and their operations for more than three decades. Before joining Critical Input as a Senior Consultant, Russell worked with a number of reputable companies including DHL, Panalpina and Maersk. His strengths lie in client engagement and digital transformation and systems improvement. Russell has successfully delivered both small and large scale projects within manufacturing, retail, mining and Fast Moving Consumer Goods (FMCG) sectors.

Simon Langdon

Senior Consultant

With more than three decades years of experience in this field, Critical Input Senior Consultant Simon Langdon has a proven track-record of delivering exceptional results in dynamic workplaces with constantly changing priorities and workloads. Before joining Critical Input, Simon had the privilege of working for numerous years as part of the Australian Antarctic program, where he gained extensive experience in logistics operations and management. His expertise lies in stakeholder engagement, project management, and implementing effective inventory management systems and warehouse restructures.

James Voller

Senior Consultant

James Voller, a seasoned Senior Consultant at Critical Input, brings over 28 years of expertise in procurement and supply chain management to the table. With a diverse background spanning international landscapes and industries, James’s strategic insight and dynamic approach empower businesses to navigate the complexities of procurement with finesse. A strong advocate for transparent communication and adaptable strategies, he thrives on delivering results that enhance operational efficiency and drive growth. With James on board, clients gain a dedicated partner committed to optimising procurement processes for long-term success.

Carmen Langdon

Senior Consultant

Specialising in contracts and procurement, logistics, stakeholder liaison, administration, and customer relations, Carmen Langdon brings more than 25 years of expertise to our team. Her infectious positivity, unwavering can-do attitude, and meticulous attention to detail set her apart. Carmen‘s unique combination of skills empowers her to create strong relationships, ensuring clients’ goals and desired outcomes are achieved seamlessly. With her dedication to excellence and innovation, Carmen enhances our clients’ procurement strategies and brings unmatched value to their supply chain operations.

Brad Small

Senior Consultant

Brad Small is a Senior Consultant at Critical Input with more than 22 years of experience in supply chain and logistics. He specialises in Inventory & Materials Management, Logistics, Contracts & Procurement, and Enterprise Resource Planning (ERP) Systems. Brad excels at bridging the gap between theory and practice, providing strategic insights and practical solutions to optimise efficiency and reduce costs. Brad Small brings a wealth of experience and a practical approach to supply chain optimisation.