Board of Directors


Wendy Hemmingsley

Chief Executive Officer




  • 25+ years English teacher (11-18)
  • 14+ years Strategic Leadership Teams in three different schools (East Midlands and Oxfordshire)
  • Leadership experience in a range of school contexts (multicultural, areas of high deprivation, city)
  • MA Educational Leadership (Univ. of Nottm), NPQH




Colin Mitchell






  • Over 30 years’ experience in corporate mergers and acquisitions work across UK and EU including successfully completing management buy-outs and buy-ins.
  • Former business governor of large sixth-form college in Berkshire and chairman of educational charitable trust.
  • Experienced CEO, group finance director (FCCA) and non-executive director of various commercial companies and in the arts.
  • Experienced in strategic business planning, business transformation and projects involving executive mentoring.
  • 16 years as a magistrate in Berkshire.
  • Experienced business development director including responsibility for global sales
  • Joined The Mill Academy as a director in December 2017.


Gillian manthorpeGillian Manthorpe






  • Recently retired from the post of Vice Principal at a city centre Further Education college in the West Midlands. Responsibilities included cross college teaching and learning; Human Resources; student services and welfare; and being the designated senior manager for safeguarding.
  • Previously responsible for training teachers of students who are over the age of 16; worked in collaboration with Warwick University to deliver the Certificate of Education for teachers of post- compulsory aged learners.
  • Head of Sixth Form (academic and residential) at an Oxfordshire Independent School.
  • Worked as an Associate Inspector for Ofsted and as an external verifier for vocational courses.
  • Holds a Masters Degree in Education with a research interest in vocational, further and higher education.
  • Experience as a governor at an independent, residential special school.




Gordon Joyner






  • Governor experience over the last 9 nine year including Chair & Chair of various committees at various schools.
  • Been involved in the education sector within Oxfordshire for the last 32 years.
  • Experience of school building planning & construction.
  • Been involved with the development of academy trusts for the last 10 years.
  • Experience of financial planning/monitoring, property services, project management, admissions & appeals and various school legal matters.
  • Joined the Mill as a director in June 2017.

Our Members

Corporate Member

Appointed October 2015

Diocesan Board of Education Representative

David Jones

Appointed October 2015

Appointed as The Grocers’ Company nominee

Wilfred Stephenson

Appointed October 2015

Nominated by Oriel College