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Black Thrive

Management Team

"I had no idea that history was being made. I was just tired of giving up."

Rosa Parks


Management Team

Our facilitation team is essential to coordinating the work that we do with the Partnership board, organisations, and local communities.

"True heroism is remarkably sober, very undramatic. It is not the urge to surpass all others at whatever cost, but the urge to serve others at whatever cost."

Arthur Ashe


Nathan Lewis


Nathan is the LGBTQ+ Programme and Partnerships Manager. His work involves influencing and supporting a research project with London Metropolitan University and Lambeth Council, as well as supporting Black the Thrive team to embed an intersectional approach to our work and wider community engagement.

Nathan is a University of Birmingham graduate and a community development enthusiast with a keen interest in public health, particularly around the experiences of Black LGBTQ+ people. He has worked across a number of fields, including mental health, sexual health, prisons and substance misuse. Currently a community manager for the Samaritans, he combines this alongside a number of charity board positions across London. He is a board member for the St Kitts and Nevis Young People’s Network and also serves as Chair for the Southwark LGBT Network and Vice Chair of the London LGBT Forum’s Network.

Sadiki Harris

Communities & Engagement Officer

Sadiki is Black Thrive Lambeth’s Communities & Engagement Officer.

Since graduating, Sadiki has predominantly worked in the third sector. Between 2010 and 2014 he was vice chairman of the Lewisham Stop and Search group and in doing so created a website and marketing materials that ensured the likes of Sky News, the BBC and the Home Office would get in contact for information.  

Sadiki Harris joined Black Thrive after meeting Cllr Jacqui Dyer at a Mental Health conference in 2016. Initially joining as a volunteer, he now works as Black Thrive’s Community Engagement and Communications Officer. Sadiki is responsible for engaging and involving Lambeth’s Black communities in supporting and participating in Black Thrive’s projects and programmes and becoming active leaders on various issues in Lambeth.

 A son of Lambeth, an unpublished writer, avid videographer and somewhat decent graphic designer, Sadiki considers himself to be a creative, and feels extremely lucky to be involved in changing the “look” and “feel” of mental health within Black communities in Lambeth.  

 Sadiki holds a B.A (Hons) in Marketing and Advertising from University of Arts London.

An image of Audrey Muwandi

Audrey Muwandi

Head of Special Projects and Legacy

Audrey started her journey at Black Thrive Lambeth in March 2022, and has since worked her way up to Programme and Partnerships Manager. She graduated from the University of East Anglia in International Relations & Modern History in 2019), where she was ACS President and co-hosted ‘Make Your Mark,’ a university radio show. Audrey also has experience in marketing, and as a work coach in a job centre. There she began to notice systemic barriers hindering young people from achieving their full potential which fuelled her desire to work for an organisation that addresses and tackles these inequalities.

Outside of work, Audrey loves reading, attending live music events, baking, roller skating, and dining out. In addition, she does voluntary work with youth organisations. Her passion for mentoring and volunteering reflects her commitment to empowering young minds. She is a creative problem solver and deeply passionate about ensuring a safer world for Black youth.

An image of Gabrielle Duberry

Gabrielle Duberry

Programme & Partnerships Manager (Adult Mental Health)

Gabrielle is currently the CAPSA Service and Evaluation Lead. She started her journey in healthcare in 2013 working on an acute psychiatric ward in East London. She remained in healthcare for nearly a decade, working across both psychiatric and general health provisions. Additionally, she is highly experienced, both clinically, and in the implementation of new projects within services. During this time, she saw health inequalities amongst Black people. and continues to champion for unheard black voices through her work with CAPSA.

In her spare time Gabrielle is a mother and enjoys spending time relaxing listening to music or taking part in Carnival.

Lilian Latinwo-Olajide

Interim Program Director Lambeth 

Lilian is a seasoned professional in the field of innovation and design, with extensive experience in grant making and development, strategic thinking, reflective practice, and learning. She is deeply passionate about community, funding models and thought leadership in the field of philanthropy and has a proven track record of spearheading cross-programme innovations. Her background in frontline service delivery, social investment, consultancy, fundraising, grant-making, investment design, and governance provides her with a unique perspective on how to maximise impact through different models and partnerships.


Lilian’s approach is characterised by flexibility and collaboration, enabling her to work closely with partners to achieve meaningful change. She has led on a total portfolio of live and future works estimated at £8 million and has established a hyper-local approach to the leadership of a £2.4m vaccine knowledge portfolio. Furthermore, she engineered the strategic framework and structure to evaluate and manage grant requests and funding for a £1m pilot fund. Lilian is currently seconded as strategic programme director for Black Thrive,  as part of a cross programmatic and cross organisational capacity piece working on their transformation change and strategic innovation work.