Mark Johnston

Background

About Mark Johnston

A results-driven and globally experienced Client Service Leader with over two decades of commercial leadership across FMCG sectors in EMEA, Australia, and the UK. I have a proven ability to build and grow high-value client partnerships, lead global commercial strategies, and deliver sustainable revenue growth. I have a strategic mindset that drives customer engagement, unlocks new business opportunities, and elevates brand positioning in competitive environments. I have led global client programmes, negotiated multi-market commercial agreements, and developed tailored capability solutions that have transformed customer relationships. In my first year at Advantage Group International, I have grown my client portfolio revenue portfolio by £300k and delivered over £100k in new business wins - with a focus on delivering action-oriented workshops and demonstrating thought leadership within my client portfolio. My leadership style is collaborative, insight-led, and focused on delivering measurable impact — making me a trusted advisor to my clients and a growth catalyst for global teams My global experience includes delivering high-impact commercial and capability strategies across diverse markets including Nigeria, Germany, South Africa, and the USA. With significant expertise in strategic account management, commercial capability building, and customer-centric solution development, I am well positioned to lead and evolve high-performing global client service functions.