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Trustees

Angela O'Brien (Chair)
 

Date of appointment:

1 September 2022

Term of office:

Until 31 August 2026

Appointed by: Members

Angela O'Brien OBE is the Managing Director - Macdonald Associates Consultancy (‘MAC’) and Systems Leadership Community Interest Company (‘SLCIC’), a global consultancy group helping organisations create the conditions where people willingly give of their best through the application of systems leadership theory.

Prior to this, Angela was the Director of Primary Education at the Spencer Academies Trust for 8 years, where she transformed failing schools, built new schools and improved established ones. She developed a collaborative approach across schools which resulted in significant improvements for pupils, a culture of innovation and development of new effective leaders. Many of the 18 primary schools in the trust serve disadvantaged communities including Wyndham Primary Academy, an outstanding school which has been awarded EEF Research School status and is one of the 25 schools nationally across the UK that now works to support other schools.

Angela took Wyndham from a bottom 200 school in the country to 'outstanding' in three years through transforming the culture to one that places a shared vision and systems leadership at the heart of everything.

Business or pecuniary interests

Name of business:

Macdonald Associates Consultancy

Nature of business:

Consultancy Company

Nature of interest:

Employee

Date of appointment or acquisition: 1 April 2024
Date of cessation of interest: n/a
Date of entry: 3 September 2025

John Jex (Vice Chair) 

Date of appointment: 22 June 2020
Term of office: Until 21 June 2028
Appointed by:  Members

John Jex is a Sheffield-based management consultant and the current Chair of the Chemical & Industrial Consultants Association. He previously held senior general management and commercial roles in the chemical industry. He has managed large teams and has extensive international experience, living for many years in the Middle East and Asia Pacific regions. After returning to Sheffield in 2019, he established a consulting business, advising chemical manufacturers on strategy development and execution, while also supporting companies in the chemical industry with executive recruitment and team development. John is active with Sheffield-based theatre company Tudor Players, in on- and off-stage roles.

Business or pecuniary interests
Name of business: Jex Business Services Limited
Nature of business: Consulting
Nature of interest: Owner and Director
Date of appointment or acquisition: 18 May 2020
Date of cessation of interest: n/a
Name of business:  Chemical & Industrial Consultants Association (CICA)
Nature of business: Trade Association
Nature of interest: Committee Member
Date of appointment or acquisition: 12 April 2023
Date of cessation of interest: n/a
Name of business: Chemical & Industrial Consultants Association (CICA)
Nature of business: Trade Association 
Nature of interest: Chair
Date of appointment or acquisition: 9 February 2024
Name of business:  Chemical Search International Ltd
Nature of business: Executive Recruitment in Chemical Industry
Nature of interest: Freelance Consultant
Date of appointment or acquisition: 1 March 2021
Date of cessation of interest: n/a
Name of business: Chorus Education Trust
Nature of business: Education 
Nature of interest: Personal - Spouse employed as exam invigilator
Date of appointment or acquisition: 27 March 2025
Name of business:  Cowmouth Farm Estate Management Company Ltd
Nature of business: Residents Property Management Company
Nature of interest: Director
Date of appointment or acquisition: 30 May 2023
Date of cessation of interest: n/a
Name of business:  Wide Impact Professional & Management Development Training L.L.C.
Nature of business: Management Training & Coaching
Nature of interest:  Freelance Management Trainer & Coach 
Date of appointment or acquisition: 4 September 2024 
Date returned: 28 August 2025

Yejide Adewakun
 

Date of appointment:

24 December 2023

Term of office:

Until 23 December 2027

Appointed by:  Members

 

 

Business or pecuniary interests

Name of business:

n/a

Nature of business:

n/a

Nature of interest:

n/a

Date of appointment or acquisition: n/a
Date of cessation of interest: n/a
Date of entry: 4 September 2025

Chris Fox
 

Date of appointment: 22 June 2020
Term of office: Until 21 June 2028
Appointed by:  Members

Image of Chorus Trust trusteeChris Fox is Professor of Evaluation and Policy Analysis at Manchester Metropolitan University where he is also Director of Research in the Faculty of Arts and Humanities, providing strategic research leadership to approximately 350 researchers working across the arts, humanities and social sciences. Chris’s own research focuses on public service reform. He is particularly interested in how people can co-create the services they use, how to build strengths-based services and how to evaluate their effectiveness.

Business or pecuniary interests
Name of business: Manchester Metropolitan University
Nature of business: Higher Education
Nature of interest: Employee
Date of appointment or acquisition: September 2007
Date of cessation of interest: n/a
Date of entry: 5 September 2025

Aniko Pike 
 

Date of appointment:

19 July 2024 

Term of office:

18 July 2028
Appointed by:  Members

Aniko Pike

 

 

Business or pecuniary interests

Name of business:

n/a

Nature of business:

n/a

Nature of interest:

n/a

Date of appointment or acquisition: n/a
Date of cessation of interest: n/a
Date of entry: 2 October 2025

David Owen 

Date of appointment: 13 December 2019
Term of office: Until 12 December 2027
Appointed by:  Members

David Owen is an emeritus professor of education and former primary and secondary teacher. He was head of department in the Sheffield Institute of Education at Sheffield Hallam University from 2014 to 2023, leading initial teacher training, education and childhood courses. He has specialised in geography education, teacher development, digital learning and developing successful education partnerships, and has written and presented to national and international audiences on these areas. David is committed to working collaboratively across the education sector to improve outcomes for all school students. He has chaired national Department for Education initial teacher training groups, as well as working as a member, governor and trustee for other regional multi-academy trusts, schools and colleges.

Business or pecuniary interests
Name of business: Wickersley Partnership Trust
Nature of business: MAT Board
Nature of interest: Director
Date of appointment or acquisition: 1 September 2020
Date of cessation of interest: n/a
Date of entry: 4 September 2025
Name of Business: Exchange Teacher Training: Delta Multi Academy Trust
Nature of business:  Teacher Training/ITT Provider
Nature of interest: Member of the Strategic Board 
Date of appointment or acquisition: 1 October 2024
Date of cessation of interest: n/a
Date of entry: 4 September 2025

Nicola Shearstone
 

Date of appointment:

1 September 2022

Term of office:

Until 31 August 2026

Appointed by:  Members

 

Business or pecuniary interests

Name of business:

n/a

Nature of business:

n/a

Nature of interest:

n/a
Date of appointment or acquisition: n/a
Date of cessation of interest: n/a
Date of entry: 31 August 2025

Zoe Sullivan
 

Date of appointment:

28 February 2020

Term of office:

Until 27 February 2024

Appointed by: Members

Image of Chorus Trust trusteeDr Zoe Sullivan works in policy and operational delivery in the Department for Education. Before joining the civil service, she held positions in executive search and academia. Zoe holds a BA and MSc from the London School of Economics and Political Science and a DPhil (PhD) from the University of Oxford. 

Business or pecuniary interests

Name of business:

Department for Education 

Nature of business:

Government Department

Nature of interest:

Employee

Date of appointment or acquisition: 13 May 2019
Date of cessation of interest: n/a
Date of entry: 14 November 2025

Trustees resigned in last twelve months

  • Marie Prenton - Resigned 6 February 2026
  • David Butcher - Resigned 23 September 2025

Trustee committee attendance

View Trustee's attendance at committee meetings for 2024 to 2025