Our Team

Matthew CritchlowMatthew Critchlow

Matthew Critchlow, PhD, is Managing Director at Thrive and Visiting Lecturer at the University of Westminster. He brings over 15 years experience in delivering programmes to enhance employee engagement and wellbeing, communication and leadership capability.  He previously worked for twelve years in the pharmaceutical industry, mostly at Eli Lilly & Company in the UK, in roles in sales management, marketing and management consultancy. More about Matthew.


Ewan Stickley v3Ewan Stickley

Ewan is Senior Training Associate at Thrive who brings over 12 years’ experience in the field of leadership and team development. He is passionate about supporting leaders in optimising strengths to achieve outstanding performance.  Previously Ewan held senior management positions at Walt Disney World, Pret a Manger, Arcadia Group and more recently the Pentland Group (Speedo, Lacoste and Berghaus). Ewan is an ICF-Accredited Executive Coach. More about Ewan.


tammyTammy Tawadros

Tammy is an associate trainer at Thrive who specialises in the delivery of accredited senior management development programmes.   She has a wealth of experience in consulting, executive coaching and leadership development.  She is also an associate at Ashridge and Cass Business Schools. She has a BSc. In Psychology from University College London and an MSc. in Organisation Consulting from Southbank University. More about Tammy.

Janeena Sims

Janeena is Senior Training Associate at Thrive (as well as Director at Park Sims Associates) who specialises in communication, interpersonal skills and customer care.  Janeena offers expertise in Neuro-Linguistic Programming (NLP), Integral Coaching and theatrical techniques to help people improve their communication skills and overall job performance.  She recently won a National Training Award for her work with Shepherd’s Bush Housing Association. Janeena is also an ICF-Accredited Coach. More about Janeena.


Stefan Atkinson

Stefan is Senior Training Associate at Thrive (as well as Director of Park Sims Associates) who specialises in communication skills and customer care.  Stefan brings his knowledge of the theatre and his gift for drama to the design and delivery of his training, ensuring that it is enjoyable, memorable and effective. More about Stefan.


Louise Engleman

Louise is an associate trainer at Thrive who specialises in teams and team management, communication skills, conflict resolution, and workplace mediation.  She is highly experienced in consultancy, facilitation and coaching, and has designed and delivered a wide range of learning events over the past 20 years. More about Louise.


What do people say about our team?

“Working with Matthew Critchlow has been both enlightening and inspiring.  He has a wonderfully warm engaging style balanced with a depth and breadth of knowledge which translate into techniques that are easily accessible to delegates.”

James Anderson-Dixon, Customer Relationship Manager, Nationwide Building Society

“I found the session on Goal Setting both fascinating and practical … I’ve started to use information from the workshop to focus on my goals in a step by step, measured approach … I would recommend any employee driven organisation to consider having Matthew to present a session.”

Azeem Moosun, Department for Work and Pensions (DWP)

“Really motivating and enjoyable course (Building Personal Resilience). Best course with the BMJ in 8 years! Lots of further reading to do and things to plan and look forward to.”

British Medical Journal (BMJ)

“Matthew delivered the Goal Setting workshop at a pace that left all attendees understanding how goals work and how they can help us all. He fully engaged with his audience and as an attendee I felt that the content and delivery of the workshop was just right. Matthew was humorous and insightful. I thoroughly enjoyed this workshop and would recommend it to anyone who wants to gain some focus on their goals.”

Movell Dash, Project and Progamme Manager, HM Revenue and Customs