Luc Perkins is a customer success engineer at Reflect Technologies, a data reporting and visualization startup in Portland, OR. In the past, he has worked as a technical writer for companies such as Twitter and Basho, and is actively involved in the Write the Docs community of technical writers. Eric Redmond has been in the software industry for more than 20 years, working with Fortune 500 companies, governments, and many startups. He is a coder, illustrator, international speaker, and active organizer of several technology groups. Jim R. Wilson is a software engineer at Google creating data visualizations on the Big Picture team. He's contributed to TensorFlow's visualization suite, TensorBoard, and other open source projects.