Yannis Varoufakis is a Greek economist and politician, known for his role as the Minister of Finance in Greece during the financial crisis in 2015. He gained international attention for his outspoken views on economic policy and his opposition to austerity measures imposed by the European Union and the International Monetary Fund. Varoufakis is also a professor of economics and has written several books on economic theory and policy. He is a co-founder of the DiEM25 movement, which aims to reform the European Union and promote democracy across Europe. His work often focuses on the intersection of economics and politics.