Ouyang officially joined Doehler Group as Head of Food Service Marketing & Application in 2019, He is responsible for the marketing strategy and product application solutions, and sales & marketing of food service channel. Meanwhile, he is LYRES non-alcoholic spirit brand China VP. From 2008 to 2018, he worked for syrup leading brand MONIN, he has successively served as global beverage innovation director, brand development director, and distributor channel director. In 2017, he was awarded the "Founder Award" by the Drink Bar Awards Ceremony.

Prior to MONIN, he had ever worked for food & beverage companies from different fields that including international hotel group, bar, and alcohol brands. With over 20 years of working experience on beverage innovation, brand development, distribution management, brand marketing, trade marketing, product marketing, digital marketing as well as business development, he’s been advocating the innovation of drinks and marketing and the integration of food and beverage. His first book, titled The Art of the Cocktail, was published in 2014 and the second book Sip! Modern Drinks was published in May 2020.

Ouyang holds a Bachelor's degree in ISC Paris. He participated in the World Flair Bartending Championship in Copenhagen, Denmark, in 2001 and the rest is history: he became the first Chinese bartender to win a global flair bartending competition.