Portrait of June O'Sullivan

June O’Sullivan MBE

Chief Executive

June has led the London Early Years Foundation (LEYF) as CEO since 2006.

June is an inspiring speaker, author and regular media commentator on Early Years, social business and child poverty, who has been instrumental in achieving a major strategic, pedagogical and cultural shift for the award-winning LEYF. This has resulted in an increased profile, new childcare model and stronger social impact over the past 15 years.

June was awarded an MBE in the Queen’s Birthday Honours in 2013, for her services to London’s children.



Portrait of Mike Abbott

Mike Abbott

Director of Operations

Mike joined LEYF in January 2018. He has over 30 years of commercial experience in drinks sales, food retail and Early Years nurseries.

Having worked at director level for Aldi in both purchasing and logistics roles, Mike moved into a store operations role at the Co-op, where he was responsible for 165 convenience food stores. He then moved to lead the newly acquired Childcare Nursery business, which grew from six to 51 nurseries rated Outstanding or Good by Ofsted.

Mike was a member of the Midcounties Co-op executive team and has been a board member of the National Day Nurseries Association. He holds an MBA from the University of Warwick.



Portrait of Kevin Dyson

Kevin Dyson

Director of Finance

Kevin joined LEYF in 2020 and heads up the Finance and IT teams.

Having qualified as a chartered accountant with Deloitte, Kevin has over 30 years’ experience in senior finance and operational roles.

He spent 12 years in private equity-backed healthcare and education businesses, including Witherslack Group, ICP Nurseries and Tunstall Healthcare.

Kevin has also worked for a global mobile phone service provider and for various divisions of GE Capital in the UK, US and France.



Portrait of Lorenzo Chiozzi

Lorenzo Chiozzi

Director of People & Performance

Lorenzo joined LEYF in 2017. He has international HR experience, leading on projects in change management and talent enrichment.

A qualified lawyer, Lorenzo practised law in Milan, before moving into HR and people management.

He is ACIPD and MSc qualified and has worked for more than 25 years in HR management and strategic roles at Mitsubishi Electric, Boston Scientific, BASF, Robert Bosh and KONE.

LEYF is his first role in the not-for-profit sector.



Portrait of Sally Clark

Sally Clark

Head of Marketing & Communications

Sally has headed up the Marketing & Communications function at LEYF since 2018.

She leads on digital and offline marketing and advertising, external and internal communications, website and brand.

Sally previously worked in the charity sector for over 15 years, including roles at senior level at Blood Cancer UK and National Children’s Bureau.

Before moving into the not-for-profit sector, Sally spent 15 years in senior roles as a journalist on national publications.

Sally holds an MSc in Charity Marketing & Fundraising from Bayes (previously Cass) Business School.



Portrait of Sam Creme

Samantha Creme

Director of Strategy & Business Development

Sam joined LEYF in 2021. Her role supports our ambition to scale our social impact, by providing more children with access to high quality and affordable Early Years education and to continuously innovate to enrich their experiences.

Sam studied civil engineering in Canada and, since moving to London, has worked at both operations (Stroud International) and strategy (Bain & Co) consulting firms.

At Bain & Co, Sam worked in the private equity team on commercial diligences and also partnered with clients to integrate sustainability into their core strategies, to lead their respective industries in the energy transition.



Portrait of Grace Essex

Grace Essex

Head of Executive Office

Grace provides direct support to the chief executive, as well as leading on event management, trustees and governance and ensuring the smooth running of LEYF central office.

Grace joined LEYF in 2017 and has over 10 years’ experience in the not-for-profit sector, including senior administrative roles in youth homelessness, community development, town planning, counter-extremism and prisoner rehabilitation.



Child riding a bike with staff member holding handlebars

About us

Find out more about LEYF and how we put families and children at the heart of all we do.

Nursery teacher and child do a high five in the playground

Social impact

High quality Early Years education and care makes a significant difference to children’s educational success and future attainment.

June at a nursery engaging in an activity with children

June O’Sullivan MBE

LEYF's CEO, June O’Sullivan MBE, is an inspiring speaker, author and regular media commentator on Early Years.