We are a highly-qualified team of advisers with many years of experience leading or working with ambitious growth companies across many sectors.

As the person responsible for bringing together this talented and maverick group, it is my pleasure to introduce myself and the rest of the team:

Mike Hicks

I founded Catalysis in 2010 after some years running a similar practice within Grant Thornton. My connection to mid-market investment goes back to 1994 when I worked in EBRD assisting, amongst other things, with the creation of the first private equity fund in Romania. After a spell running a JV between Creditanstalt Investment Bank and Advent International, I became interested in how to improve investor-management interactions and have dedicated myself to that topic for the last 22 years.

I have a BA, MSc and DPhil from the University of Oxford. My ‘hobby’ has been holding several roles on the boards of educational social enterprises, including as Chair. I am currently involved with two exciting organisations: High Performance Learning and Career Ready.


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Andy Airey

Andy Airey

Andy has worked with Catalysis since 2015. He has held senior leadership roles, including as CEO and Divisional MD, in industry and in education with Blue Circle, Magnet/Enodis, Inspiring Futures and Study Group. He worked previously with Bain & Co. in the UK and Australia. Andy has an MA in Engineering Science from the University of Oxford and an MBA from INSEAD. He has served on multiple boards in both commercial organisations and social enterprises.

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Katy Lindsay

Katy Lindsay

Katy was a pioneer in the management due diligence and assessment field from 2002, and we collaborated initially in 2005 and then reconnected professionally in 2017. She has carried out over 100 projects with private equity investors with Burlington Consultants, Cardinal and subsequently with leading headhunters Spencer Stuart. She began her career as a strategy consultant with Bain & Company, then worked on corporate development with J.Sainsbury plc before becoming an investment banker with NM Rothschild in Latin America and Australia.

She has an MA in PPE from University of Oxford and qualified in psychometric testing with the British Psychological Society. Katy was involved in the formulation of the coalition government's international development policy. She has held a variety of governance roles in local schools since 2001 and has an interest in the administration of justice in family courts. Katy is the founder and CEO of Aptimore, an online leadership development platform


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Alysoun Stewart

Alysoun Stewart

Aly and I connected originally in Grant Thornton around 2006 when she led a team focused on growth company strategy and helped me build an organisational effectiveness tool and organisation develop methodology. Since 2010 we have worked on a variety of strategy and organisation projects together. However, in recent years she has been much in demand transforming businesses in the professional services and property sectors, as well as running her own furniture manufacturing business.

She has an MA in Modern History and Modern Languages from the University of Oxford and started her career in accountancy as a corporate finance partner with Grant Thornton. After a period helping Raymond Blanc expand his restaurant business, Aly created her own food concept. She has served as a director of multiple businesses as well as of schools.

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Alysoun Stewart

Peter Fischer Brown

Peter began working with the Catalysis team in 2020. With a background in consumer goods marketing, he has held senior leadership positions in the telecommunications and ICT sector, with Orange, where he specialised in b2b strategy and marketing, and in Management Consulting with KPMG. He is trustee of a leading charity in the food education sector, a member of the Medinge Group  and a Fellow of Radix. Peter has an MA in Modern Languages, and an MPhil in International Relations, both from the University of Cambridge and an LTCL diploma from Trinity College London. He does business in English, German, French, Italian, Portuguese and Spanish.

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Caroline Gourlay

Caroline Gourlay

Caroline began working with Catalysis in 2021, having been introduced by Katy, with whom she worked on MDD projects at Cardinal in the mid-2000s. She has a particular interest in post-deal management support and assessments for additional hires.

Caroline is a Chartered Psychologist with over 20 years’ experience of the assessment and development of leaders and leadership teams. She supports leaders in scale-up businesses in receipt of Innovate UK grants and advises on leadership issues for businesses in distress as an associate member of the Institute for Turnaround. She has coached on leadership programmes at Saïd Business School, Oxford University.

Caroline has a BSc in Psychology, an MSc in Occupational Psychology and is Chartered through the British Psychological Society. She has a Diploma in Executive Coaching and is qualified to use a wide range of psychometric assessment tools. Aside from working with Catalysis she has her own business psychology practice.

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Andy Airey

Adina Seitkazina

Adina is our Project Success Manager and began working as part of the Catalysis team in 2020. Her role involves ensuring the efficient delivery of client projects and overseeing the technical aspects of our work – from questionnaires, data management, workflows and looking after the growing portfolio of analytical tools.
After taking her first degree from the University of Nottingham, Adina subsequently earned her MSc in Economics and Policy of Energy and Environment from UCL. She is qualified in personality and aptitude testing with the British Psychological Society. She is fluent in Russian.

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