Maaret Pyhäjärvi is a software professional with testing emphasis. She identifies as an empirical technologist, a tester and a programmer, a catalyst for improvement and a speaker. Her day job is working with a software product development team as a hands-on testing specialist. On the side, she teaches exploratory testing and makes a point of adding new, relevant feedback for test-automation heavy projects through skilled exploratory testing. In addition to being a tester and a teacher, she is a serial volunteer for different non-profits driving forward the state of software development. She blogs regularly at http://visible-quality.blogspot.fi and is the author of Mob Programming Guidebook.