Founder & Director Cortex Worx
Sarah Clarke
Areas of Expertise:
- Business Psychology
- Culture Strategy and Transformation
- Board Development
- Psychometrics and Behaviour Insights
- Boardroom Effectiveness Analysis
Sarah Clarke is a highly experienced Business Psychologist and Chartered Director with over 20 years of senior leadership experience, making her an invaluable asset to The Collective Advisory Board. As the Founder of Cortex Worx, Sarah has dedicated her career to helping organisations unlock the full potential of their people through high-performance cultures that deliver measurable and sustainable results.
With scientific rigour and deep practical expertise, Sarah applies the principles of Business Psychology to solve challenges that are common to all businesses, regardless of sector, size, or stage of growth. From SMEs and scale-ups to global enterprises and the NHS, Sarah supports leaders in navigating complex people dynamics, cultural transformation, leadership development and organisational change.
Her experience spans 30+ industries, with clients ranging from start-ups preparing for investment or exit, to large organisations needing cultural realignment, behavioural change or improved employee experience. Her collaborative, discreet and trusted approach has made her a go-to advisor for boards, CEOs and senior teams. Under her guidance, clients have achieved awards and recognition for real changes, including Top 10 UK Employer and CIPD Excellence Awards.
Sarah is passionate about translating behavioural science into action.
As a Fellow of the Association of Business Psychology and holder of a BPS-accredited MSc in Occupational Psychology, Sarah’s credentials are grounded in professional excellence. She is also a qualified CBT coach, empowering leaders to manage mindset, change and performance with clarity and confidence.
In addition to her advisory work, Sarah is a highly engaging public speaker and workshop facilitator, known for bringing energy, empathy and evidence to every audience. Whether delivering board-level strategy sessions or energising conference delegates, she makes complex concepts practical, relevant, and immediately actionable.
Through her leadership, Sarah brings not only a wealth of knowledge and insight, but also integrity, professionalism and impact, helping The Collective and its partners create better business through better people practices.