Duncan Ackery

As the founder of Tonic, a leading global food advisory firm, Duncan is a dynamic management consultant, with a proven 20-year track record of devising, delivering and operating innovative, profitable hospitality businesses. Through seamlessly embedding best in class F&B concepts into businesses and developing transformative and distinctive offerings that increase footfall, elevate brands and create new revenue streams, Duncan has worked with some of the biggest global brands directly and on behalf of clients, from SoHo House, to the Bicester Village Shopping Collection, Corbin & King, Westfield, Tragaluz, Via Outlets Europe, Burberry, Samsung, Corinthia Hotels and Pret a Manger.
Duncan has unique experience in the world of Food & Beverage in Cultural Venues, of which he has advised a multitude. As CEO of Tate Catering, he oversaw the largest in-house Cultural Venue Catering Operation in the UK. He is a Board Member of Tate Enterprises and The Royal Court Trading Company and was a Trustee of The Whitechapel Art Gallery for over a decade.

Jackie James

Jackie has worked alongside Duncan for almost two decades, both operationally and as a consultant. With a career grounded in operational restaurant management, her knowledge and wealth of experience enables her to present practical ideas and solutions, providing the appropriate tools to deliver a fully functioning and profitable hospitality business.
Jackie’s consultancy experience allows her to quickly gain an understanding of the clients’ needs and challenges, enabling her to work with the right people within the organisation to develop strategies to improve their operational effectiveness and efficiency.

Rosana Suarez

With over twenty years’ experience in the hospitality sector, both operational and managerial, Rosana’s exceptional organisational abilities enable her to offer invaluable project management and administrative support in the development of any F&B operation. She honed her skills at the Tate as a Consultant in Employee Engagement and excels in client liaison and communication.
Rosana offers all the support needed from the creation of a concept and the development of the critical path, through to the planning and completion of any project.



Design Consultant
Mandy leads Sherliker Design from her offices in Central London. Her experience in design for the hospitality industry ranges from working with a single high profile chef to creating identities for international hotels, bars and restaurants. Mandy can bring her expertise in at the development stage of a new project to help shape the look and feel from the outset, establishing the visual identity, and designing material with consistent brand communication across all media. Her focus on detail and creativity supports the client from the naming of the outlet, designing the logo and the supporting graphics, through to assisting with the interior decoration and the finishing aspects of the space.

Keith Winton

Catering Design Consultant
Keith is an Associate of Tonic, offering back-of-house design expertise. Tonic and Keith have worked together on scores of projects including: Royal Festival Hall, Honourable Society of Lincoln’s Inn, Value Retail, Old Vic Theatre, Royal Horticultural Society, ICA, Science Gallery London.