Our People

The John Lewis Foundation is a registered charity and a company limited by guarantee. It is governed by a Board of Trustees, who have established a sub-committee to oversee UK charitable giving.

Maggie Porteous - Retired Partner and Chair of the Foundation

Maggie is a retired Partner who was with the John Lewis Partnership for 31 years.  During that time she worked in 10 different John Lewis Shops, including leading the shops at Milton Keynes, the Trafford Centre, and Cheadle. 

In 2010 Maggie moved to Head Office as Head of Selling Operations New Format, overseeing the roll out of the 'At Home' estate.  In 2013 she became Director of North and New Format, and from 2016 to 2020 was Director Shop Trade, responsible for the leadership of all 50 of the John Lewis & Partners stores. In February 2020 Maggie embarked on a Portfolio Career, using her skills and experience in a variety of ways. 

Maggie became a Trustee in 2015 and, until taking on the role of Chair of the Foundation in 2019, Chaired the UK sub-committee.


Sarah Gillard - Mission Director, Strategy

Sarah Gillard joined the John Lewis Partnership in 2010, following a number of years working in fashion buying and merchandising for major high street retailers. She was the Head of Merchandising for John Lewis Furniture for 4 years, moving to the Head of Strategy role in 2015. In 2017, Sarah was appointed Director, Insight and Assurance within the Personnel function, and is now responsible for co-ordinating Personnel strategy and for providing thought leadership and assurance on the development and sustainability of the Partnership model. Sarah became a Trustee in 2017

Christine Kasoulis - Director, Category Proposition

A Partner with over 25 years experience, Christine’s previous roles include Director for Brand Development, where her remit included CSR. Today, as Buying Director for Fashion, Christine creates and leads the commercial strategy for John Lewis & Partners. This includes building relationships with the Partnership’s global supply base allowing the Partnership to grow sustainably and ethically. In this role Christine demonstrates her passion for people, the motivation for her desire to improve the lives of those in the communities supported by the Foundation. Christine became a Trustee in 2019.

Simon Bishop - External Trustee

Simon Bishop is Deputy Chief Executive of global children's charity Plan International UK, as well as Chair of the Gates Foundation-backed Coalition for Global Prosperity.  Passionate about alleviating poverty, and a vocal gender champion, he has also been Special Adviser to the UK Government’s Secretary of State for International Development, Strategy Adviser to The Prince of Wales' Charitable Foundation, and completed a number of roles with The Shell Foundation, The United Nations Foundation and the BBC.  As a Fulbright Scholar, Simon completed a Masters degree in International Relations and Journalism at Columbia University, and also has a Masters in Economics and Geography from Edinburgh University.   

Paul Buchanan - External Trustee

Paul is Executive Director responsible for Business in the Community's work on community. Paul has worked at BITC since 2001 and is a member of BITC's executive management team. He has previously held a variety of roles including London Regional Director, London Membership Director, Head of Membership Recruitment and North East Business Development Manager. He is passionate about the role of business in creating more resilient, vibrant and successful communities. Paul is the Chairman of The Boxing Academy - an innovative and impactful school for young people at risk of exclusion - and also a trustee of Techo UK, a nonprofit organisation which mobilises youth volunteers to fight extreme poverty in Latin America by constructing transitional housing and implementing social inclusion programs. Paul became a Trustee of the John Lewis Foundation in 2015.