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Luiz Roberto Saldanha Rodrigues is a coffee farmer, exporter and agronomical engineer. In this conversation, Luiz talks about preparing for harvest, empathising with coffee plants, coffee nomenclature, why he gives his special preparation lots names like 'cold soul' and 'tropical thunder', and much more. 

Lucia Solis is a fermentation specialist and coffee consultant. Lucia also happens to be one of the best communicators and clearest thinkers in coffee right now. We cover lots of ground in this conversation, including Lucia's winemaking and science background, defining fermentation, the role of yeasts and bacteria, questioning whether coffee is a fermented product, and plenty more.If you liked this conversation, make sure you listen to Lucia's podcast. To support Lucia on patreon, click here. 

Tuli chats with Arthur Tong about tea and coffee's similarities and differences. 

Tuli speaks with Jenni Bryant, who alongside co-founders Fleur Studd and Jason Scheltus, helped build Market Lane into one of Australia’s most admired coffee companies. They discuss Market Lane’s approach towards maintaining excellence, Jenni’s formative years in the coffee game, and more.⁠⁠

Scott Rao is a coffee consultant and author. 

Tuli chats with Professor Michele Morgante, who is Full Professor of Genetics at the University of Udine in Italy and the Scientific Director of the Institute of Applied Genomics.  There is a LOT of fascinating stuff in this episode. We cover everything from the evolutionary history of arabica, to the importance of genetic diversity, to the arabica 'mother tree', to oranges (which are a cross between pomelos and mandarins, by the way) and breeding via intentionally planting seedlings in radioactive soil. This is the paper discussed in the conversation: A single polyploidization event at the origin of the tetraploid genome of Coffea arabica is responsible for the extremely low genetic variation in wild and cultivated germplasm

Papua New Guinea produces some of the most beautiful coffees on the planet, and it does so in spite of massive political, infrastructural and economic challenges.  This is the recording of Tuli's Youtube Live chat with Joeri Kalwij, General Manager of New Guinea Highland Exports. Joeri's article (mentioned in the conversation) on facing the reality of coffee growers in PNG:

Coffee people love talking coffee. But how do we reach non-coffee people without dumbing down what we do or boring them with coffee-speak? Tuli spoke to food journo Nick Jordan about what we, as an industry, might be doing right and wrong when communicating to outsiders.