She is the founder of the Trash Collective, among many other projects including Supernova Ballroom (cocktail bar), Dolly Trolley Drinks, pop-up Black Lagoon and the original Trash (Tiki), alongside co-founder, Iain Griffiths. Trash started as an online recipe platform that reused common cocktail waste ingredients and quickly became a global pop-up touring over 14 countries and who's recipes have influenced bars and bartenders around the globe. 

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Kelsey has put together cocktail menu's for some of the world's best chefs, leading spirits brands and venues. Some of her projects include working with Blue Hill's Chef Dan Barber at WastED London, a 6 week long pop-up meant to change the way we think about food waste. She has put together drinks programs for multi-outlet hotel, the Curtain in London, and has consulted on sustainability and drinks strategy for brands such as Absolut, Pernod Ricard, Earl's Restaurants and Discarded Vermouth to name a few.