Born in 1984 in Ibaraki Prefecture, Representative of Philocoffea.After graduating from Aoyama Gakuin University Graduate School, he joined an IT venture company.
During a hospital stay due to the onset of type 1 diabetes, he discovered his passion for coffee. In 2016, with just three years of experience, he became the first Asian world champion at the World Brewers Cup, an internationally renowned competition for coffee brewing techniques.
Renowned for his skills in training and mentoring, he guided his student to become a world champion in 2018. Kasuya's original hand drip method, the "4:6 Method," is widely supported by coffee enthusiasts and professional baristas around the world.
Currently, he leads the coffee industry both domestically and internationally through product development with major companies like FamilyMart and Nestlé, training top baristas worldwide, and sharing information on his YouTube channel "TETSU KASUYA World Brewers Cup Champion."
He is also the author of "Anyone Can Do It! Delicious Coffee with the World's Best 4:6 Method" and "Illustrated Coffee for Beginners."
