© 2019 Value People Ltd.


Stefan Sanchez

Experienced in applying the Five Case Model to develop a wide range of investments, across education, health, IT infrastructure and organisational transformation as well as extensive scrutiny and approval experience.  Stefan is an experienced business case trainer.

Lewis Weatherall
Senior Associate
Tom Callahan
Senior Associate

Professional consulting economist with 15 years’ experience appraising and shaping economic and public policy interventions for governments, multinational institutions and authorities around the world.

Direct experience providing economic advice and analysis in international environments as part of a career split between Europe and Asia.

Bill Harkins
Senior Associate

A highly competent and organised professional with strong strategic management, critical incident and programme management abilities, strategic ICT skills and business acumen. A committed team player, self-motivated with the gravitas to communicate at all levels with 32 years' police experience, latterly as Assistant Chief Constable.

Lewis is a Better Business Case practitioner, based in New Zealand specialising in development of high quality business cases using the Five Case Model.  He led the project team to develop the Better Business Cases guidance for the New Zealand State sector and has since provided a range of consulting support and expert advice on nearly all aspects of the roll-out of the Better Business Cases programme.

Very experienced (10+ years) IPA High Risk projects Gateway Review Team Leader.

Extensive Five Case Model expertise in transport, regulation, energy and IT infrastructure.

Graham Boydell
Senior Associate

Joe Flanagan is the architect of the Five Case Model Methodology and the author of the HM Treasury Green Book guidance documents for the development of programme and project business cases.

Joe retired from the Civil Service in 2017, following 45 years of public service, but still supports the Better Business Case Programme as joint Chief Examiner for the accredited ‘Better Business Case’ training scheme. Prior to his retirement, Joe was the Director of Investment Policy and Appraisal for NHS Wales, where he assisted Health Boards and Welsh Government with the development and appraisal of their schemes.

Joe Flanagan
Strategic Advisor