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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Putra Siregar Putra Siregar
Insights & stories

Latest articles by Putra Siregar.

How to Prepare a Coffee Cupping Session – By Indonesia Specialty Coffee
Articles

How to Prepare a Coffee Cupping Session – By Indonesia Specialty Coffee

Cupping is the heart of specialty coffee evaluation, a practice where we explore flavor, balance, and aroma with precision and…

14/06/2025Read
What Is Mucilage in Coffee and Why It Matters?
Articles

What Is Mucilage in Coffee and Why It Matters?

When we talk about coffee, most people think about roast levels, brewing methods, or origin. But there’s a sticky, sweet,…

14/06/2025Read
Honey Process Coffee: How It Works and Why Indonesian Lots Stand Out (2026)
Articles

Honey Process Coffee: How It Works and Why Indonesian Lots Stand Out (2026)

Honey process coffee is pulped like a washed coffee but never rinsed. The skin comes off, the sticky sugar-rich mucilage…

13/06/2025Read
Is Kopi Luwak Only from Indonesia? Discover the Origins and Global Imitations
Articles

Is Kopi Luwak Only from Indonesia? Discover the Origins and Global Imitations

Kopi Luwak, commonly referred to as civet coffee, is often described as one of the world’s most unique and luxurious…

11/06/2025Read
What is Wet-Hulled Coffee or Giling Basah?
Articles

What is Wet-Hulled Coffee or Giling Basah?

Get to Know the Indonesian Wet-hulled Coffee Process The wet-hulled process, known locally in Indonesia as Giling Basah, significantly impacts…

04/06/2025Read
Papua New Guinea Coffee: Untapped Excellence in the Specialty Coffee World
Articles

Papua New Guinea Coffee: Untapped Excellence in the Specialty Coffee World

1. What Makes Papua New Guinea Coffee So Intriguing? Tucked away in the South Pacific, Papua New Guinea (PNG) produces…

03/06/2025Read
Drinking Americano Before Exercise: Is It Really Effective?
Articles

Drinking Americano Before Exercise: Is It Really Effective?

Why Peoples Drink Americano Before Exercise: Is It Really Effective? In the world of fitness and health, pre-workout supplements and…

02/06/2025Read
From Waste to Worth: How Coffee Husk is Reviving Gayo’s Soil
Articles

From Waste to Worth: How Coffee Husk is Reviving Gayo’s Soil

1. The Forgotten Layer Behind Every Gayo Coffee In the misty highlands of Takengon, Aceh, where coffee trees rise from…

23/05/2025Read
Espresso: The Foundation of Great Coffee
Articles

Espresso: The Foundation of Great Coffee

I. Introduction: Why Espresso Matters Espresso is more than just a strong little shot of coffee — it’s the foundation…

17/05/2025Read
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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