Who We Are
On Good Authority is a design and development consultancy led by Sara Lewis, which specialises in providing practical, creative and commercial guidance to brands at all different levels within the luxury, lifestyle and performance apparel industries.
With over 20 years of experience working at big name brands like Timberland and Musto, as well as co-founding and launching her own contemporary rainwear brand for women; OGA, Sara has spent the last 6 years of her career building and leading a team as Product Director at Shackleton; a rapidly growing British Outdoor Performance and Expedition brand.
Sara has broad multi-product experience working across mens and womenswear creating apparel that ensures quality, function and innovation. Product categories include; engineered performance knitwear, heritage knitwear, activewear, jersey t-shirts, sweats, woven shirts, trousers and soft accessories. Her specialist area is technical outerwear including down insulation, synthetic insulation, hard-shells and skiwear.
Sara enjoys working with elite athletes and explorers to understand exactly what their garment performance needs are in the unique and often extreme environments they adventure in.
Passionate about environmentally conscious product design and development, she has built an extensive network of sustainable fabric mills and ethical manufacturing partners worldwide. On Good Authority champions British manufacturing wherever possible, maintaining close relationships with premium onshore knitwear and outerwear suppliers.
With strong mentoring and leadership skills, Sara has experience building high-performing teams from the ground up within start-up environments. She is driven to inspire positive, collaborative cultures by sharing ideas and enthusiasm for product design, creativity, and sustainable solutions, while fostering a safe space where others feel confident to contribute and be heard.
A qualified Mental Health First Aider ®, Sara also recently completed the online course Business Fundamentals; Team Psychology to deepen her understanding of what drives team excellence.
