Meet our mentors 2026
The 2026 mentors of the Learning Lab are passionate professionals in sustainable fashion, ready to inspire and guide emerging talent.
With hands-on experience and innovative vision, they share knowledge, challenges, and insights that shape career paths, strengthen skills, and broaden perspectives in the industry.
Each mentor serves as a learning role model, fostering creativity and positive impact in fashion.
Leslie Holden: Leslie is the co-founder of The Digital Fashion Group and a visionary leader focused on bridging fashion education with digital innovation. With experience as a fashion designer and former head of the Amsterdam Fashion Institute, as well as an alumnus of the Royal College of Art, he has dedicated his career to driving sustainable transformation across the global fashion value chain. A respected advisor and speaker, Leslie empowers the next generation of professionals with the skills to reshape the fashion industry in the digital era.
LinkedIn: https://www.linkedin.com/in/leslie-holden-4418ba10
Hadeel Osman: Hadeel is a Sudanese multidisciplinary creative director working across sustainable fashion, cultural management, and multimedia. As founder of DAVU Studio, she combines creative direction, visual communication, design, styling, and advocacy to deliver socially conscious, culturally grounded projects. With professional experience across Asia, North America, and Africa, Hadeel emphasizes ethical practices and contemporary aesthetics, driving meaningful impact in fashion, culture, and the arts.
LinkedIn: https://www.linkedin.com/in/hadeelosman/
Lizzie Mudri: Liz Mudri is a behaviour-based fashion creative, stylist, learning and behaviour strategist, and social worker, as well as the founder of Fashion Conscious Curator. She contributes as an author to ebooks and blogs for the Slow Fashion Movement. With a passion for merging fashion and behavioural science, Liz explores how clothing influences our emotions, decisions, and social connections, and how understanding these patterns can lead to more mindful and sustainable fashion choices. She will conduct session in: Understanding Fashion Psychology & Behaviour: 7 Key Theories Explained.
Garik Himebaugh: Garik is the founder of Eco-Stylist, a platform dedicated to making sustainable fashion more accessible and accountable. With over seven years of experience researching and evaluating hundreds of fashion brands, he has developed a rigorous framework for ethical and sustainable practices. Garik advises fashion companies on advancing and communicating their sustainability efforts and serves on the Board of Advisors for the SANE Standard. His work has been featured in Bloomberg and at leading industry events including Sustainable Fashion Forum.
Lianne Trowbridge: Lianne is a sustainable fashion consultant and educator currently serving as Fashion Design Programme Leader at Istituto Marangoni Mumbai, where she integrates sustainability and innovation into fashion education. With expertise in sustainable practices, brand strategy, and pattern cutting, she advises designers and leads initiatives that promote ethical approaches across the creative industries. Lianne’s work emphasizes holistic design thinking and prepares the next generation of fashion professionals to balance creativity with responsible impact.
LinkedIn: https://www.linkedin.com/in/lianne-trowbridge-1836abb7/
Carry Sommers: Carry is an author, storyteller, and sustainability advocate connecting fashion, nature, and creativity. Co-founder of Fashion Revolution, the world’s largest fashion activism movement, she has spent three decades transforming how fashion addresses its impact, from pioneering Fair Trade with Pachacuti to championing artisanal skills through League of Artisans. Carry currently consults for the UN International Trade Centre, training Indigenous textile artisans in Guatemala. In The Nature of Fashion (Chelsea Green/Rizzoli 2025), she explores the deep interconnections between natural materials, fashion history, and ecological impact, inspiring a new perspective on creativity and sustainability.
LinkedIn: https://www.linkedin.com/in/carrysomers/
Zoe Schumm: Dr. Zoe Schumm is an assistant professor of project and supply chain management at the Black School of Business, Pennsylvania State University–Erie. Her research explores tensions and trade-offs in sustainable operations and supply chain management, with a focus on the apparel industry, where she spent over a decade in product development, international sourcing, and sales. Zoe’s recent work examines the evolving role of consumers in a circular economy and its implications for designing effective circular operations.
LinkedIn: https://www.linkedin.com/in/zoe-schumm/
Rachel Humby: Rachel is a UK-based copywriter, editor, and content consultant with a passion for sustainable storytelling. After a decade in corporate retail, she transitioned towards working with more conscious brands and now combines content strategy, community advocacy and a love of second-hand fashion to inspire meaningful change in the digital fashion space. She also contributes as an editor of all Slow Fashion Movement eBooks, bringing clarity and impact to these educational resources.
LinkedIn: https://www.linkedin.com/in/rachel-humby-002bb1109
Courtney Holm: Courtney is the Founder and CEO of Circular Sourcing, an AI-enabled value chain technology startup powering circular material trade. Addressing the $60 billion annual surplus of textiles, Circular Sourcing curates and matches supply to demand, reframing surplus as valuable resources with impact metrics for every metre. A circular fashion designer, systems thinker, and entrepreneur, Courtney founded the experimental label A.BCH in 2017, building it into a world-leading example of circular design. In 2024, she shifted focus from making new clothes to solving systemic waste in fashion and textiles, with A.BCH World continuing as a consultancy and innovation lab providing bespoke circular solutions. Her work centers on transforming the industry for positive ecological, economic, and equitable futures.
Kayce Leyco: KC Leyco, professionally known as Miss Kayce, is a stylist with nearly two decades of experience in the fashion industry, including a career as a celebrity stylist. Recently awarded Author of the Year (Paperback) for her book Always Be Chic at the 6 Village Pipol Choice Awards, she is now a global voice and ambassador for the Slow Fashion Movement. Kayce empowers individuals through sustainable style, promoting confidence and advocating mindful fashion choices.

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