Putra writes for Indonesia Specialty Coffee — origins, cupping, processing, and the trade behind every cup.
Putra Siregar leads coffee curation and content at Indonesia Specialty Coffee. He writes practical guides on green-coffee handling, roasting and brewing — from diagnosing defects like mold to dialing in espresso — helping roasters and coffee lovers get the most from Indonesian beans.
Put the same lot on a roaster, and you can take it two ways: a touch darker for espresso, a…
We keep retained samples of every export lot in the Medan warehouse. Open one a year later, and you learn…
Natural processed coffee Indonesia produces has become one of the most requested green-bean styles among specialty roasters, and for good…
Learning how to import green coffee beans from Indonesia comes down to eight steps: find a supplier, cup samples, confirm…
Buyers looking to buy green coffee beans from Indonesia will find one of the world’s most diverse specialty coffee sources:…
Indonesia peaberry coffee forms when a single seed develops inside the coffee cherry instead of the usual two, producing a…
Robusta Sidikalang is a full-bodied, low-acid coffee from the Dairi highlands of North Sumatra, and it ranks among the most…
Lampung Robusta coffee wholesale green beans are Indonesia’s most traded commercial Robusta origin, shipped in volume to espresso blenders, instant…
Excelsa coffee beans are one of Indonesia’s rarest specialty origins, grown primarily in the lowland regions of East Java and…
Head of Sourcing · Indonesia Specialty Coffee
Putra Siregar leads coffee curation and content at Indonesia Specialty Coffee. He writes practical guides on green-coffee handling, roasting and brewing — from diagnosing defects like mold to dialing in espresso — helping roasters and coffee lovers get the most from Indonesian…
Our cupping team is ready to build a profile around your brand — from single-origins for specialty cafés to consistent blends for export.