Breaking Through: Building a Compelling Proposition in a Saturated Market with Brunel Beauty Co-Founder Sabrina Castenfelt
Founded by Sabrina Castenfelt and supermodel Jasmine Tookes, Brunel Beauty is a fast-growing US body care brand redefining the intersection of skincare efficacy and sensory experience. Entering one of the world's most competitive consumer industries, the founders identified an emerging opportunity in the premiumisation of bodycare, developing a distinctive proposition that brings together high-performance formulations and fragrance. Since launch the brand has demonstrated remarkable commercial momentum, with Sabrina reporting 500% revenue growth in a single month and an eightfold year-on-year increase in July '26 revenue.
Before co-founding Brunel, Sabrina built her career in private equity, beginning at Goldman Sachs and subsequently investing in and helping scale consumer brands.
Speaker Bio:
Sabrina Castenfelt
Sabrina is the Co-Founder of Brunel Beauty, a fast-growing US bodycare brand established alongside supermodel Jasmine Tookes. She began her career at Goldman Sachs in New York City and London before spending several years in private equity, investing in and building consumer brands.
Sabrina graduated from Harvard College (BA) and Harvard Business School (MBA). She holds a black belt in Karate, enjoys history, skiing and travel, and serves on the US Ski & Snowboard Team's Next Gen Council.
Moderator: Kinza Ather
Kinza is a former strategy consultant with experience leading financial transformation and venture-building projects across consumer goods, retail and luxury sectors. Drawing on this, she identified an opportunity to address unmet consumer needs, leading her to found, scale and successfully exit her international consumer goods company. She continues to advise consumer brands on strategy, growth, branding and market positioning.
Kinza holds an MChem in Chemistry and an MBA from Cambridge Judge Business School. She is the President of the Entrepreneurship Club and is a avid runner and squash player.
WHEN: Wednesday, 14th October 2026
5:30pm – 6:30pm: Fireside discussion in Provosts Drawing Room
6:30pm–7:00pm: Informal networking
WHERE: Provost Drawing Room, King’s College, Cambridge
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