About the Author

Putra Siregar

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.

Role
Head of Sourcing
Articles
191 published
Coverage
Sumatra Sourcing
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Insights & stories

Latest articles by Putra Siregar.

Semi-Washed vs Full-Washed Coffee: Indonesia’s Washed Processing Guide
Articles

Semi-Washed vs Full-Washed Coffee: Indonesia’s Washed Processing Guide

Semi-washed and full-washed coffee are the two primary washed cherry processing methods used in Indonesian specialty coffee production. Both determine…

21/04/2026Read
Aceh Gayo Coffee Price per KG 2026: FOB & CIF Wholesale Rates
Articles

Aceh Gayo Coffee Price per KG 2026: FOB & CIF Wholesale Rates

Aceh Gayo coffee price per kg runs from $7.00 to $16.00 FOB Belawan in 2026 for green beans. Where your…

17/04/2026Read
Aceh Gayo Coffee Beans: Origin, Flavor, and Wholesale Price Guide
Articles

Aceh Gayo Coffee Beans: Origin, Flavor, and Wholesale Price Guide

Aceh Gayo coffee beans wholesale buyers come to us for one reason: consistency. Our Aceh Gayo Arabica is sourced directly…

17/04/2026Read
Top 10 Coffee Producing Countries in the World (2026)
Articles

Top 10 Coffee Producing Countries in the World (2026)

Global coffee production hit a forecast record of 178.8 million 60-kg bags in the 2025/26 crop year, according to the…

14/04/2026Read
Indonesia Coffee Production in 2026
Articles

Indonesia Coffee Production in 2026

Indonesia is the world’s fourth-largest coffee producer, supplying approximately 7% of global coffee output in the 2025/26 marketing year. With…

04/04/2026Read
Wonosalam Excelsa – The Bold Gem of Javanese Coffee
Articles

Wonosalam Excelsa – The Bold Gem of Javanese Coffee

The Unique Character of Wonosalam Excelsa In the world of specialty coffee, where Arabica often takes center stage, a unique…

04/10/2025Read
Mamasa Coffee: Tasting the Award-Winning Gem of West Sulawesi
Articles

Mamasa Coffee: Tasting the Award-Winning Gem of West Sulawesi

The 90-Point Indonesian Coffee Mamasa Arabica from West Sulawesi has firmly established its reputation for quality. While a typical specialty…

04/10/2025Read
How to Win a Coffee Cup Tasters Competition: A Data-Driven Guide
Articles

How to Win a Coffee Cup Tasters Competition: A Data-Driven Guide

Accuracy, speed, and resilience – these are the keys to winning a Cup Tasters competition. While many assume it’s all…

02/10/2025Read
Buy Green Sumatra Mutu Batak Lintong
Articles

Buy Green Sumatra Mutu Batak Lintong

Green Sumatra Mutu Batak Lintong, a premium coffee from the highlands of North Sumatra. Its unique wet-hulled process creates a…

30/09/2025Read
Putra Siregar
Profile summary

Putra Siregar

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…

191
Articles published
2023
Writing since
Aug 2026
Latest article
CuppingOriginsProcessingSourcingSensoryExport
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