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.
Putra Siregar
Toraja and Gayo are Indonesia’s two most internationally traded Grade 1 Arabica origins. Both grow above 1,400 metres above sea…
Toraja Arabica green coffee beans from South Sulawesi carry a 2026 wholesale price of $9.15–$9.60 per kg FOB Belawan, depending…
Toraja coffee, grown across the highlands of South Sulawesi at 1,200 to 1,700 metres above sea level, is one of…
Semi-washed and full-washed coffee are the two primary washed cherry processing methods used in Indonesian specialty coffee production. Both determine…
Aceh Gayo coffee price per kg runs from $7.00 to $16.00 FOB Belawan in 2026 for green beans. Where your…
Aceh Gayo coffee beans wholesale buyers come to us for one reason: consistency. Our Aceh Gayo Arabica is sourced directly…
Global coffee production hit a forecast record of 178.8 million 60-kg bags in the 2025/26 crop year, according to the…
Indonesia is the world’s fourth-largest coffee producer, supplying approximately 7% of global coffee output in the 2025/26 marketing year. With…
The Unique Character of Wonosalam Excelsa In the world of specialty coffee, where Arabica often takes center stage, a unique…
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.
