Roger De Four is an MIS professional that qualified as a MOUS (Microsoft Office User Specialist) - now MOS - in 1999/2000; then a Certified Accounting Technician (CAT - ACCA qual.) in 2002.
He then went on to become a MOS Excel Expert in 2007, after 5 years as a Excel/Access developer, solving challenges in the public and private sectors, in the UK.
ABE(UK) - Association of Business Executives (UK) - he went on to gain a professional qualification in Business Information Systems, from this UK professional body, winning a global award in 2010 - "Computer Applications in Business & Finance"
From 2012 to present (circa 2026), he has evolved into a Senior Software Engineer, focussing on the VILT (Vue JS, Inertia, Laravel, Tailwind CSS) tech stack, Excel Automation & Data Engineering, Databases (PostgreSQL, MySQL & SQLite).
