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
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…
The Liberica coffee price per kg in 2026 ranges from roughly $6.00 to $22.00 per kg FOB for green beans,…
Liberica coffee beans are the third commercial coffee species, distinct from Arabica and Robusta, and account for less than 1.5%…
The Lintong vs. Mandheling coffee question comes up regularly among roasters sourcing Sumatran green beans, and for good reason: both…
The lintong coffee price for the 2026 crop year starts at $9.50 per kg FOB Belawan for Grade 1 Specialty…
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.
