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Tom Sonnen

Tom Sonnen


Australia and New Zealand


Summary Bio

Tom has almost 30 years of experience in cost reduction and business improvement across various sectors, including resources, infrastructure and professional services.

He is a Director at Partners in Performance and Head of the Global Procurement and Supply Chain, helping clients with strategic sourcing, outsourcing and offshoring, the removal of bottlenecks, organisational effectiveness and post‑merger integration.

During his career, he has implemented cost reduction efforts for clients throughout Australia, Asia, Europe and the US. He has held positions at Mitchell Madison Group, Accenture, Cloverfield Group and CLM Partners LLC prior to joining Partners in Performance in 2011. Tom also spent 10 years as an entrepreneur and strongly believes the real‑world experience that he, and so many of our consultants carry, bring tremendous credibility and value to our clients.

Tom has utilised a unique skill set in strategy design and pragmatic implementation to drive cost reductions and optimise global and domestic operations on almost every continent. In addition, he has spearheaded business improvement efforts of many Fortune 1000 clients, building a record of meeting and exceeding projected savings targets.


  • Cost Reduction
  • Supply Chain Productivity
  • Operational Improvement

Core Sectors

  • Mining and Metals
  • Manufacturing
  • Oil and Gas


  • BSc in Economics – University College London
  • MPhil Management Studies - Judge Institute of Management Studies, Cambridge University