Raimond Feil has been around Specialty Coffee industry since 2004, started as a barista but soon in 2005 upgraded to a coffee roasting and barista training. Finally he co-founded and -owned Rocket Bean Roastery from 2014 through 2016.

Throughout the 12 years in coffee and roasting he has figured out how the coffee roasting works and now he shares all of the practices in his book on coffee roasting.