According to a recent report by Jessica Testa of The New York Times, “European publishers collectively earn more than $90 million annually on Substack. Some of the target markets in Europe France, Germany, Italy, Spain, Denmark, Norway, the Netherlands, Sweden, Switzerland, and Austria, where the company’s founders — CEO Chris Best, Hamish McKenzie, and Jairaj Sethi — have assembled “a flock of new leaders to oversee operations,” according to Testa.