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?

I found the Goal Setting Workshop very inspiring. The workshop has highlighted that the key to goal setting is getting away from the pressures of the day and asking the question where do I want to be in 6 months, 1 year, 5 years from now and most importantly writing them down and constantly checking to see where I am against my goals and visualizing success.  I would recommended this course to anyone who is serious about achieving their goals.

Paul Scott, UK Civil Service

“Excellent facilitator. Professional, great knowledge, great sense of humour and able to connect on a number of levels and certainly made everyone feel completely comfortable and at ease. One of the best courses I have attended.”

Thames Valley Housing

The course [Building Personal Resilience] was excellent … The instructor clearly had a passion for the subject which was infectious.”

UK Border Agency (Home Office)

“Matthew is brilliant … the delivery of the course (Building Personal Resilience) was executed very well.  Just truly brilliant – great food for thought and heart-warming, like chicken soup for the soul.”

Hemma Patel, the National Black Crown Prosecution Association (NBCPA)