Mary Leslie

Mary has over 20 years’ experience in strategic planning and research, specialising in developing profitable products, brands and communications which chime with the needs of those that really matter to them. 

She is passionate about using human understanding to unlock the strategic puzzle that enables mutually profitable relationships between brands and people.

Mary has worked as Head of Planning at BANC, Planning Partner at Ogilvy, Planning Director at Hakuhodo, and was previously at DMB+B and Delaney Fletcher Bozell before setting up Interrogator.  

She has a wealth of experience on brands such as American Express, Glaxo Smithkline, Procter and Gamble, Samsung, Premier Brands and Triumph (bras not bikes).



Joy Le Fevre

A double first class Oxford science graduate, Joy revels in the analysis of what makes businesses tick and the development of brand and communication strategies to drive success, methodically and measurably, from A to B.  

She has worked with businesses and their guardians, across most industry sectors, for over 25 years. 

Clients have included BT, Lloyds TSB, John Lewis Partnership and GlaxoSmithKline.