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.
Indonesia Coffee Production 2023 In 2023, Indonesia produced 758,730 Tons of Coffee. The country’s coffee production was heavily concentrated in…
The Anticipation of Gayo Harvest The harvest season in Gayo Highlands is coming soon. Right now, the coffee cherries are…
AA refers specifically to the size of the coffee beans, and this classification applies to both Arabica and Robusta. The…
Coffee Beyond the Bean Indonesia is celebrated as one of the world’s great coffee nations. From the volcanic soils of…
Generally, it’s a blend of Arabica and Robusta that is roasted Medium-dark to dark for Classic Italian Espresso. This results…
Robusta coffee futures rallied strongly in August 2025, with prices jumping from USD 3,300 per ton on August 1st to…
Post-roast sorting Coffee helps to enhance flavour, consistency, and visual appeal. Because after roasting, some beans can look different, some…
Guide to Brewing Balinese coffee to unlock the unique flavor experience (Sweet Citrus, Chocolate, Floral Aroma, and Medium Body). Originating…
Liberica coffee beans is the third coffee species that serious drinkers and roasters graduate to once they master Arabica 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.