Over 10 years of experience in the coffee roasting industry, he has been the Senior Roaster Manager at the Shanghai Mellon Coffee Co., Ltd. He obtained the SCA professional roaster certificate. He also had been invited as a special sensory judge for the BCC competition, judge for the best of Yunnan green coffee competition in 2018 & 2021 and judge for the professional barista competition in Zhejiang province in 2017.