Amanda Timberg

Appointed for a 3 year term commencing 12th June 2025.

Amanda has dedicated her career to improving access to opportunities through investing in people and communities. She has worked in various roles at Google over the last decade and is currently serving as the Director of Global Programs at Google.org. There, she leads initiatives like product contributions, employee giving, volunteering, and apprenticeships.

Before Google, Amanda spent fifteen years in education charities in the UK and the US, including a decade as Executive Director at Teach First, working to develop and equip teachers and leaders to make an impact towards educational equity. 

Amanda started her career teaching primary school in Compton, California and worked at both Teach For America and the Los Angeles Unified School District in southern California. She holds an MSc in Voluntary Sector Management from Bayes Business School.

Darren Xiberras 

Appointed for a 3 year term commencing 12th June 2025.

Darren is currently Chief Financial Officer of Cardiff University and a member of the University Executive Board. He oversees all aspects of the University’s finances and financial performance. He is a Director of UMAL Limited which is a specialist provider of insurance services to the Higher and Further Education sectors.

Prior to joining Cardiff University, Darren was Chief Finance Officer at the University of South Wales having joined them in 2019. Immediately before that, he held the same role for the education charity Teach First where he also oversaw the Human Resources (HR), property and IT functions.

Prior to Teach First, Darren was Finance Director of ENGIE (formerly GDF Suez) UK’s £350m turnover public sector division, delivering property services to a multitude of blue-chip public sector clients across the UK.

Darren has also been Director of Corporate Services for a national UK charity and held the role of Group Finance Director for an Alternative Investment Market (AIM) listed PLC delivering services to the public sector. He trained as an accountant with South Wales Electricity PLC.

Darren has held several other voluntary roles for both charities and in Higher Education.

Remuneration and Governance Code

Board Members of the National Citizen Service Trust are not remunerated. This appointment has been made in accordance with the Cabinet Office’s Governance Code on Public Appointments. The appointments process is regulated by the Commissioner for Public Appointments.

Under the Code, any significant political activity undertaken by an appointee in the last five years must be declared. This is defined as including holding office, public speaking, making a recordable donation, or candidature for election. Amanda Timberg and Darren Xiberras have not declared any significant political activity.