is best when
it’s shared.*

*Howard Schultz

Working collaboratively and
effectively across Switzerland,
Bulgaria, the UK and US.

We’re fast-growing, innovative
and do something genuinely
different in the industry.

We empower our people
to grow, learn and thrive.
This is our team.

Andy Cestaro

Strategy Director

Andy has 25 years’ experience working closely with clients to build stronger brands across the marketing mix. He has a deep understanding of brand positioning and equity development, building and prioritising the innovation pipeline, optimising communication, packaging & pricing, and understanding consumers. Andy is naturally curious and thrives on solving new problems. He also enjoys working out what causes people’s behaviour and choices, gaining insight to create the best environment for teams, projects, clients, and individuals to succeed.

Guy White

Founder and CEO

Guy founded Catalyx in 2012. Since then, he’s developed the business into a global and multi-awarding winning consultancy, instrumental in delivering positive change for clients such as P&G, Nestle, Unilever, Mars, Kraft Heinz, GSK and many more. A marketer and insights professional at the top of his game, Guy is a crowdsourcing authority and expert on crowd-led innovation, recently being awarded a Quirks’s Marketing Research Excellence award for Innovation and New Product Development for Catalyx’s Consumer Activation System. He is both analytical and strategically creative and believes the obvious solutions are rarely the right ones.

Jenny Kieras

Global Head of Key Accounts

Jenny has over 15 years’ experience building and leading multi-functional commercial teams, and is especially enthusiastic about building long-term relationships and exceeding expectations across all elements of the customer journey. Jenny is also experienced in fast-growth, award-winning research models, and thrives on building cultures that motivate teams to lean into collaborative problem solving, innovation and empowered decision-making for both themselves and their clients

Nahanaeli Nassima

Product Lead

Nahanaeli is a product leader specialising in the application of cutting-edge technology to drive impactful digital transformations. With over 10 years of experience spanning creative and strategic industries, including music publishing and advertising, she has delivered innovative solutions ranging from award-winning interactive content for Walmart to digital strategy for Nielson. Most recently, she spearheaded the development of an AI-powered innovation platform utilised by organisations such as Pepsi, Criteo, and the United Nations. Nahanaeli is passionate about leveraging AI/ML and other emerging technologies to unlock creativity and drive business results.

Vicki O’Sullivan

Head of People

Vicki is a CIPD qualified HR professional with over 15 years’ experience. Her career has predominantly been in the market research industry, supporting SMEs through growth and acquisition. She is passionate about people development and creating a culture that embraces and enhances productivity and engagement. Vicki’s values are centred around kindness and happiness, believing empathy is vital for positive human interaction. She embodies these values at work to help inspire and engage the Catalyx team. Vicki has an optimistic mindset and looks for positive outcomes in every situation.