Coraline Ada Ehmke is an international speaker, writer, and developer with over 25 years of experience in software engineering. She was recognized for her work on diversity in open source with a Ruby Hero award in 2016. Coraline is the creator of the Contributor Covenant, the most popular open source code of conduct in the world with over 40,000 adoptions. She is also the founder of the Ethical Source Movement and created the Hippocratic License. She writes and records music in her home studio in Chicago.