Starting my own coffee shop business at 2008. Volunteer as a coffee competition judge in Indonesia since 2009. Champion at Indonesia Barista Competition 2011, Surabaya Region. Former Head Trainer ABCD School of Coffee in 2015 - 2020 and also freelance for coffee consultant in some coffee shop in Jakarta. Author of Barista #NoCingCong and The Essentials of Coffee Brewing, published by Agromedia Pustaka. Work as Head of Learning & Development in Toffin Indonesia.