Tumi is the founder of The Black Dyspraxic, an initiative that emphasises the importance intersectionality in neurodiversity from his lived experience as a British Born Nigerian. Through this platform, he aims to shed light on the unique challenges faced by individuals who belong to both these communities. Tumi actively participates in the Neurodiversity community and holds advisory roles on the Centre for Neurodiversity at Work at Birkbeck University and the Co-Production Board for Neurodiversity in Business. He has also served as a judge for the Genius Within Neurodiversity Awards for four consecutive years. Additionally, he contributes to The Diverse Creative CIC future leader’s advisory board and Noetic the community advisory board. Tumi's expertise and passion for neurodiversity have led to numerous speaking engagements and recognition in reputable publications. His advocacy efforts have gained him opportunities to speak publicly about his lived experiences at prominent companies such as Sony PlayStation, IBM, and Universal Music. In 2020, Tumi received the Dyspraxic Advocate of the Year award from A2i in recognition of his outstanding work in the field. Tumi’s was awarded the Dyspraxia Foundation Mary Corley Awarded in 2023.