Eight years ago, when Debbie Wei Mullin founded her company Copper Cow, she wanted to bring Vietnamese coffee into the mainstream.

Vietnam, the world’s second-largest exporter of coffee, is known for growing robusta beans. Earthier and more bitter than the arabica beans grown in Brazil, Colombia, and other coffee-growing regions near the Equator, robusta beans are often thought of as producing lower-quality coffee.

In an effort to rebrand robusta, Mullin signed deals with coffee farming cooperatives in Vietnam and created smooth blends. Over the years, she helped a cohort of farmers convert their operations to organic. “We put in huge investments and were certified as the first organic specialty-grade coffee farms ever in Vietnam,” said the CEO and founder. In a few weeks, Copper Cow i

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