Software engineer by day, roaster at night. We’re thrilled to welcome Dongze Steven Yue, a coffee roaster based in San Francisco, California, who roasts on the ROEST L200 Ultra. Dongze approaches roasting as an empirical science and bases his approaches on the physical parameters of the coffee greens and the understanding of heat transfer of the roaster settings. Join us for a coffee with Steven and talk about the science of coffee roasting!
Steven will be brewing:
Panama Bambito Estate Geisha Washed
Taiwan Royal Bean Geisha Estate Washed
Bolivia Los Rodriguez Geisha Natural
Ethiopia Guji Shakiso Sewda Washed
Date: Friday, June 26, 2026
Time: 3:30pm - 4:30pm
Location: Booth #11355
Dongze Steven Yue
Jayesh Chandiramani
About Dongze Steven Yue
Software engineer by day, roaster at night, Dongze/Steven is a passionate coffee roaster based in San Francisco, California, primarily roasting on his ROEST L200 Ultra. His roast style ranges from light to ultralight, transparently highlighting the terroir and processing behind each coffee. Dongze approaches roasting as an empirical science and bases his approaches on the physical parameters of the coffee greens and the understanding of heat transfer of the roaster settings.
Follow Dongze Steven Yue on social media:
Instagram: @coffee.with.dongze
