Liam has over 30 years’ experience in financial model development / auditing, valuations, M&A, strategy, training and consultancy, working all over the world in many different sectors.

He is currently Managing Director of boutique modelling firm SumProduct providing corporate finance / modelling assistance, training and consulting to clients all over the world.

He is a regular contributor to the American Institute of Certified Public Accountants (AICPA), Chartered Accountants in Australia and New Zealand (CAANZ), Certified Practising Accountants Australia (CPAA), the Chartered Institute of Management Accountants (CIMA), the Institute of Chartered Accountants in England and Wales (ICAEW), Finance 3.0 and various LinkedIn specialist discussion groups.

Recent recipient of the Financial Modelling Institute’s Lifetime Achievement Award, Liam is a  professional mathematician (PhD in Probabilistic Number Theory), Liam has been recognised over 10 times as a Most Valuable Professional (MVP) in Excel by Microsoft, specialising in financial modelling, Excel and Power BI.  He is also author of An Introduction to Financial Modelling, Continuing Financial Modelling, Financial Modelling in Power BI and is a co-author of the Power BI MVP Book and Excel Insights (chief editor).

He also writes regular articles for ACCA, AICPA (FM magazine), AccountingWeb, CAANZ, CFO Innovation magazine, CIMA (Insight magazine), CPAA (In The Black magazine) and on Microsoft’s very own Excel Blog website.

Liam was the recipient of the Financial Modeling Institute’s inaugural Lifetime Achievement Award in 2021.