People are the heart of Glenesk. As well as delivering outstanding work for our clients, our people drive our culture and live our values all day, every day. To us, values aren’t just words on an office wall, our values resonate with us all, and we discuss how well we think we’re living them on a weekly basis; they’re central to life at Glenesk.

Glenesk have developed quality working relationships at every level of the team and are a pleasure to work with. They care about delivering the same outcomes that we do and they are not afraid to have their work challenged at all levels of the organisation. Equally they challenge me and my team which is exactly what I want.
Executive Director of Adult Care, Public Health and Digital
Wiltshire Council

Our Leadership Team

Bill Guthrie

Bill is the founding Director of Glenesk. He has over 20 years experience delivering transformation across sectors and has previously worked for leading Public and Private Sector Organisations, including practice leadership roles at Newton Europe Ltd. He specialises in the delivery of complex change that spans data, systems, process and people. He holds an Executive MBA from Henley Business School and a Masters Degree in Economics from the University of Dundee.

Sarah Castor-Perry

Sarah is an experienced programme manager, consultant and trained coach. She has 8 years of experience delivering and managing complex transformation programmes, from public and private sector service improvement to leadership development and culture change. Her work has delivered multiple millions in savings for clients, enhanced care outcomes for vulnerable people, and improved C-suite and wider team dynamics and working practices.

She is the internal lead for People and Change, responsible for the development of Glenesk’s innovative approach to organisational and cultural change, as well as heading up our internal people strategy, ensuring Glenesk offers an excellent employee experience to allow us to continue to deliver great work for clients.

Our Senior Advisors

Charles qualified as a solicitor in 1999 and has held leadership roles in the legal services sector since 2005, Executive roles since 2010 and Board positions since 2014.

In 2017 Charles established his own business typically working with mid-market companies with £10m to £250m revenues, providing advisory services as a Chairman, Non-Executive Director, Strategic Advisor, consultant and mentor to Boards, Executive teams and investors.

Charles was appointed as a Senior Advisor to Glenesk in March 2021 and is working closely with the Glenesk team to shape and deliver a unique transformation and change proposition for the legal and connected sectors, helping organisations address the challenges and opportunities afforded by a rapidly evolving legal services sector and the future needs and requirements of customers, regulators and the UK government.

Outside of work, Charles’ interests are spending time with his family and friends, undertaking ultra-endurance sports, reading and travelling – when permitted!

Charles Layfield