• Our Senior Team

Discover how Siecap can help on your next Project

David Irvine - Chief Executive Officer

David is the CEO at Siecap and has over 20 years technical experience as a business improvement and supply chain expert. David has undertaken a number of strategic design projects focusing on optimisation and integration. David’s technical qualifications include engineering and design solutions for large complex projects, from detailed design, board level approval through to full implementation. Clients David has worked with include Qantas, Super Retail Group, Downer, BHP, Rio Tinto, Caltex, Thiess, Wesfarmers, Energex, Origin Energy and AGL.

Tim Crossley - Advisory Board

Tim is the former President and Chief Operating Officer at BHP Billiton’s West Australian Iron Ore business and previously held senior positions in BHP Billiton’s manganese and metallurgical coal divisions. He was COO of Gloucester Coal, an ASX listed diversified coal company producing around 5Mt pa of coal. Tim's most recent position was as Executive Chairman of Trans Tasman Resources; a development seabed mining and exploration company headquartered in Wellington, New Zealand.

Grant Whittaker - Advisory Board

Grant has more than 35 years’ experience in the Australian Commercial Property market. He is a former Director of Knight Frank Australia and Managing Director of Knight Frank Queensland, holding each position for more than 15 years. The commercial office and retail markets have been active sectors for Grant during his career. His experience extends to industrial site identification and acquisition, development planning, lease structuring and investment packaging. Grant has his own property consulting business, built from the extensive contact network he has created throughout his career. He is a qualified property valuer and a Fellow of the Australian Institute of Company Directors.

Malcolm Northey - Senior Advisor

Malcolm is one of the world’s leading project management authorities. He has more than 45 years’ experience directing large and complex capital projects and organisations across Africa, the Middle East, Europe, South and North America, Asia and Australia. Throughout his career, Malcolm has been Managing Director of Bateman Engineering in Israel, Managing Director of Kaiser International in Hong Kong, founder of engineering firm Signet Engineering (which he then sold to Fluor Australia), Senior Executive and Global Mining Risk Manager for Fluor, Project Director for CITIC Pacific in WA, and Executive Project Director for GVK Hancock's $15Bn Alpha Coal Project (Mine, Port & Rail).

William Darbishire - Senior Advisor - Health

William is widely regarded as one of the most experienced corporate services professionals in Australia’s healthcare sector. He has a significant record of achievement in leading and managing large, complex and geographically spread healthcare organisations in both the NFP/NGO and private sectors. William has 12 years’ experience as a CEO and many more as an executive director, operating across the Australian health system.


Richard Mulder - Executive General Manager – Projects

Richard has over 15 years' professional experience and more than 10 years' consulting experience in the Utilities, Telecommunications, Oil & Gas, Mining and Natural Resources sectors. His areas of expertise include project management, capital procurement, development of corporate policies and procedures, as well as compliance practices, risk management and project controls. Richard has successfully led and delivered major projects in Australia and North Africa and has worked with clients including Singtel Optus, BHP Billiton, Barrick Gold, Caltex and Celamin Resources.

Jonathan Rees - Program and Integration Delivery Lead

Jonathan is a qualified professional Chartered Surveyor with a broad cost, commercial and project management background. In his career to date, he has gained experience from project development, project delivery, project management advisory and business operational roles across a number of industries including construction, property, infrastructure and natural resources. Jonathan has worked in various international locations including the UK and Asia Pacific. His experience includes working as a consultant, owner’s representative and also in principal or client side positions, all involving close interaction at various organisational levels, plus exposure to a diverse range of stakeholders.

John Henderson - Senior Advisor

John has over thirty-five years’ experience in major and mega project development that includes executive roles with oil and mining multi-nationals, to mid-tier and start-up energy companies. John has been certified as a Practicing Project Manager (CPPM) and has a thorough understanding of the theory and application of the entire project management life cycle. John has spent many years in energy and mining developments across Africa, South East Asia and Australasia, holding a range of director, project manager and general manager positions.

Geoffrey Knowles - Director Consulting

Geoffrey brings more than 20 years of experience in the project management and business process improvement fields, covering a broad range of experience across industry sectors and verticals. Geoffrey has completed the prioritisation of capital allocations, gateway review processes and overall re-engineering analyses for organisations such as NAB, Qantas, Toyota, Mitre Ten, Toys R Us, CSR, Daimler Chrysler and Land Rover. Geoffrey held a number of senior industrial hub management roles with Myer Grace Bros that included the handling of material deliveries.

Daren Ng - Associate Director Strategy and Evaluation

Daren has 10 years' working experience as a financial analyst and economist with strong quantitative and modelling skills. Daren has worked alongside senior management and finance teams in various organisations across industries such as mining and resources, oil and gas, rail, ports, property development, retail and local government, utilising his skills to assist in business decision making processes. Prior to joining Siecap, Daren was an Associate Director in the Deloitte Corporate Finance team. He has also previously held roles with Queensland Magnesia, Queensland Rail Network Access and SGS Economics.

Gary Belford - Senior Advisor - Logistics and Procurement

Gary brings more than 30 years of experience in the supply chain and logistics fields covering a broad range of experience in senior logistics and supply roles, in organisations such as Kleenmaid, Hancock Coal Mitchell Drilling and Vale. As the previous head of Global Procurement for Vale, Gary has a deep knowledge of procurement, supply chain and logistics, as well as experience in developing supply chain strategies and execution plans.

Manish Garg - Director - Consulting

Manish has more than 25 years’ experience in mining, metallurgy and commercial management. Having worked for some of the largest global resource companies like BHP Billiton and Rio Tinto, Manish has demonstrated experience in the various disciplines of the mining industry, including mineral processing, marketing, feasibility studies, project management, business planning, business improvement and corporate consulting in valuation, due diligence, M&A and stock market listing. Manish is a respected member of the resource consulting community and delivers sound advice and evidence-based solutions to studies and techno-economic assessments

John Storie - Senior Advisor - Agribusiness

John is an agribusiness expert in asset acquisition and portfolio management; targeting efficiencies through innovation and streamlined operations. With over 30 years’ experience he has worked across a wide range of agricultural mergers and acquisitions, refinance proposals and development projects, either as lead advisor or negotiator for corporate clients. John’s expertise is backed by hands-on property management of large scale aggregations and formal qualifications in Applied Finance, Accounting and Risk Management.

Case Studies