John Mitchell

John Mitchell

John has over 20 years experience as an OD Consultant, with an extensive involvement in many business sectors. John's first degree was in Electronic Engineering and early career in design engineering. More senior leadership positions led to managing change in the Scottish subsidiary of a US based multinational. From there, he joined a specialist Organsiation Design consultancy, establishing a client base in leading international companies, which continues to this day. John still consults in his own business but more often, larger assignments require using the breadth of knowledge, skills and experience that ODA offers.


John Hespe

John Hespe

Experienced consultant and organisation coach. Has worked closely with a range of blue chip companies in the UK and internationally. After an early career in corporate law and finance, John moved into ‘people consultancy’ with Hay Management Consultants (London) and then Wickland Westcott Partners (Manchester), before joining Glaxo. For 15 years he held a variety of HRD / OD roles in the UK, Europe and the USA before leaving and setting up his own consultancy in 2004. On leaving the company he was OD Director for GlaxoSmithKline's manufacturing operations in Europe and was also the company's Global Lead for Organisation Design. First degree in Business Law, ACIS, MBA, PGDip in Psychology, and MA Executive and Business Coaching. You can read more about John and his work here.


Stephen Stirk

Stephen Stirk

Over 25 years in senior manager / Director and Consultant roles with experience across the range of HRD, including Organisation Design and Development, employee relations, and learning and development, as well as generalist HR disciplines. Stephen also has line management experience in a range of logistics and other roles in highly regulated and quality critical environments. This experience has included blue chip global companies, industry regulators, and the not for profit sector. He is our lead consultant in SHL, MBTI and Belbin psychometric testing and assessment. Stephen has a degree in Business Studies (specialised in transport) and is a Chartered Fellow of the CIPD and a member of IoD. You can read more about Stephen and his work here.

We bring:

  • Relevant knowledge and experience
  • A focus on implementation and results
  • Credibility
  • Critical mass