In the Press
Something of a renaissance woman, Jacqui Coombes has applied her mathematical and organisational development skills broadly across in the industry.”
Monika Sarder, AusIMM Bulletin, Jul/Aug 2005 edition
Jacqui has a rare talent for engaging with people across all levels of an organisation. She is a clear communicator with great depth of understanding across many fields … Her approach enables people’s capabilities by guiding each person and enhancing their self-confidence in their own learning abilities. Above all she inspires and motivates others.”
Alison Keogh, 2010, LinkedIn Recommendation)
Jacqui is a gifted individual. Jacqui is technically excellent and is able to communicate her wisdom in a relaxed and friendly manner (which makes her a fantastic mentor). Jacqui, I dare say, has had a significant impact on our mature minerals industry by reducing uncertainty, advancing our collective knowledge and hence minimising risk/cost.”
Jonathan Bell, 2007,
LinkedIn Recommendation
Bio

For over 35 years, Jacqui Coombes has been a global leader in guiding Resource Geologists, Mining Engineers, and Operational Managers through the complexities of Public Reporting, Competent Person development, and technical processes in Mineral Resource Estimation (MRE).
As the best-selling author of Art and Science of Resource Estimation and I'd Like to Be OK with MIK, UC?, Jacqui has made MRE more accessible to professionals across the mining and minerals industry, demystifying the processes and bringing clarity to complex topics.
In her latest book, Cracking the Competency Code: A Blueprint for Excellence in Minerals Reporting, Jacqui delivers a definitive guide to raising competency across global reporting standards. This comprehensive resource offers practical frameworks, real-world insights, and tools to help professionals elevate their reporting and communication skills.
With a PhD focused on professional development and reasoning in the minerals industry, Jacqui’s expertise is trusted by professionals and organisations worldwide.
Her work ensures that the next generation of Competent Persons is equipped with the knowledge and skills to meet global industry standards.