Rodolfo Tello has a variety of writing interests, which include international development, financial investing, and environmental sustainability. His latest book is a beginner's guide to investing in the stock market. When he is not writing, he is usually monitoring stock market trends, or managing the social, environmental, and governance risks of investment projects funded by international financial institutions. He holds an MBA from the University of Massachusetts, Dartmouth. He also earned degrees in anthropology, including a PhD from American University and a master's from the University of Maryland, College Park. He is based in the Washington, DC metropolitan area.