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.

Unpacking the Impact of Popular Drinks on Young People’s Kidneys The enticing aroma of coffee is a daily ritual for…

Hey, fellow coffee lovers and home brewers! We’ve all been there, haven’t we? Obsessively researching the latest pour-over device, perfecting…
Rediscover the Moka Pot Is your Moka Pot sitting in the back of your cupboard, or are you looking to…
What is a Piccolo Coffee? You may commonly hear about Espresso, Cappuccino, Latte, or Macchiato when discussing coffee. But what…
In the verdant highlands of Dairi Regency, North Sumatra, lies Sidikalang, a name that once resonated with reverence among global…
As Muslims worldwide prepare for the blessed month of Ramadan, a period of spiritual reflection and rigorous fasting from dawn…
1. Introduction to Bourbon Coffee In the vast and intricate world of specialty coffee, few names resonate with as much…
The enticing aroma of freshly brewed coffee is undoubtedly the soul of any cafe. Yet, in today’s dynamic and increasingly…
I. The Introduction Choosing the best Milk for Your Coffee – You know that feeling, right? That first sip of…
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.