Our Author
William Fishenden (Prep Kitchen Co-Founder)

Key Achievements:
- Co-founded and scaled Prep Kitchen to £40M+ revenue with 100% YoY growth
- Named in the Sunday Times list of the UK's fastest-growing companies (2024/2025)
- Built and successfully exited a seven-figure Amazon e-commerce business
- Former restaurateur with hands-on experience across the full food value chain
As a serial entrepreneur and co-founder of one of the UK's fastest-growing health food brands, William Fishenden sits at the intersection of food, performance, and business innovation. With a background spanning hospitality, e-commerce, and subscription DTC, William brings a practitioner's perspective to the topics shaping modern entrepreneurship, from DTC growth strategy and functional nutrition, to biohacking, longevity, and the future of health food. A self-confessed AI enthusiast, William is currently exploring how emerging technology can unlock scale across marketing, operations and retention.
William co-founded Prep Kitchen with a single conviction: that healthy eating should be effortless. What followed was a period of exceptional growth, with the business achieving 100% year-on-year revenue growth and recognition in the Sunday Times list of the UK's fastest-growing companies. Today Prep Kitchen serves over 20,000 active weekly subscribers with high-protein, ready-to-eat meals built around performance nutrition principles.
Before Prep Kitchen, William built and scaled a seven-figure Amazon business before a successful exit, and prior to that, ran his own restaurant, giving him an end-to-end perspective on food, consumer behavior, and commercial operations that few founders can claim.
Qualifications: BA (Hons) Economics and Business Marketing
Areas of Expertise: DTC & subscription e-commerce growth; performance nutrition and functional food; entrepreneurship and founder leadership; emerging technology adoption for founder-led businesses; biohacking, longevity, and human performance optimization.
Articles by William

Apr 02, 2026
Health
The Diet Trend Report | Prep Kitchen
From weight loss jabs to fasting, this report reveals the UK’s biggest and latest diet trends, plus guidance from leading meal prep company, Prep Kitchen.

by William Fishenden (Prep Kitchen Co-Founder)