Sleep Warm UK is managed by an executive committee that oversees governance, financial sustainability, and strategic direction. This dedicated team ensures the charity remains well-equipped to support rough sleepers and vulnerable individuals, expanding its reach and impact where it is needed most.
Joshua Dennis
Director

Josh founded Sleep Warm UK in 2019 with the goal of providing sleeping bags to rough sleepers in Nottingham and London, the two cities where he worked. What began as a small initiative has since grown into a nationwide effort, with Sleep Warm UK now operating in nine cities. Under Josh’s leadership, the organisation has become a well-established name in the charity sector, making a tangible difference in the lives of those experiencing homelessness through both our sleeping bag distribution and the other initiatives, such as New to Street Packs and Food Bank Support. Outside of his work with Sleep Warm UK, Josh serves as an Army Reservist, a role that has taken him across the world. In addition, he is actively involved in developing robotics for the medical and education sectors, creating innovative solutions to improve lives and expand learning opportunities.
Lance Joseph
Trustee
Lance is incredibly proud to be involved with Sleep Warm UK, a unique charity that he believes is making a real difference by providing homes for rough sleepers. With a wealth of experience in business, Lance has held key roles as a founder, majority shareholder, CEO, and Chairman of successful property funds, publicly listed groups, and property asset ventures. For over 25 years, Lance has served as a charity trustee, dedicating his time to supporting disabled individuals, disadvantaged and ill children, and the homeless. His hands-on involvement, kindness, and strategic insight continue to strengthen and guide Sleep Warm UK in its mission.

James Lester
Trustee

James has extensive experience in the charity sector and fundraising, having played a key role in establishing and overseeing numerous community-based charity projects. His commitment to social impact has helped shape initiatives that provide vital support to those in need, ensuring that charitable efforts are both effective and sustainable. In addition to his work in the non-profit space, James is a director of multiple businesses, where he leads their Corporate Social Responsibility (CSR) initiatives. Through these efforts, he has successfully raised funds and awareness for a range of charitable causes, including Mind, Great Ormond Street Hospital, and the NSPCC, among others. His dedication to philanthropy and community engagement continues to drive meaningful change across both the corporate and charity sectors.
Chelsea Louise-Berlin
Trustee
Chelsea-Louise brings more than 17 years experience working with the homeless community, including through her shift-leading at Christmas shelters with Crisis UK, as well as her mentoring work for Spectra services dealing with a marginalised community in London. A published author and artist, Chelsea-Louise also works within the Property Management sector bringing her 25 plus years of leadership and problem-solving skills to Sleep Warm UK.

Jack Pyser
Trustee

Jack is a Chartered Accountant (ACA) who works for The National Audit Office, where he has developed a strong expertise in charity audits. He provides valuable sector-wide knowledge and promotes transparency and effective financial management within the organisations he audits. Jack has been involved with Sleep Warm UK for a number of years, not only offering financial advice but also playing an active role in the charity’s initiatives. Beyond his professional contributions, he regularly takes part in hands-on activities, assisting with outreach efforts such as distributing essential supplies to rough sleepers. He is also a dedicated fundraiser, helping to secure vital resources that enable the charity to expand its impact and reach more people in need.
Victoria Joseph
National Secretary
Victoria has extensive experience in the charity sector, spanning over 30 years, and has been involved in numerous charities and fundraising. Victoria is a trustee of Dementia Prevention UK, as well as the Chair of the Lunch committee at Camp Simcha, a charity for seriously ill children and their families. Victoria is often consulted by charities of various causes for both her advice and support.
