Lewis Weatherall

Expert Trainer

International Expert and Registered Trainer in Better Business Cases (BBC)


Lewis Weatherall is the Director of Business Case Consulting Limited. As the leading authority on all aspects of the Better Business Cases (BBC) methodology in New Zealand, Lewis has assisted a diverse and growing portfolio of clients to successfully apply BBC in practice to inform their decision-making. In addition to his successful consulting business, Lewis developed the BBC guidance for the NZ Treasury and has trained over 1000 New Zealand practitioners to how to best apply the methodology.

Lewis is an endorsed BBC Expert Practitioner and Reviewer along with being a Registered BBC Trainer.  He is also an Investment Logic Map (ILM) facilitator.