About the Reviewers

Jose Muanis Castro holds an Information Systems degree. Originally from Rio de Janeiro, he now lives in Brooklyn with his wife and kids. He is a software engineer at The New York Times, where he works with recommendation systems on the personalization team. Previously, he worked on the CMS and publishing platforms at Globo.com, the biggest media portal of Brazil.

He is a seasoned engineer with a history of hands-on experience in several languages. He's passionate about continuous improvement in Agile and Lean processes. With years of experience in automation, right from testing to deploying, he constantly switches hats between development and operations. When he's not coding, he enjoys riding his bike around. His Twitter handle is @muanis.

I'm thankful to my wife Márcia and my kids, Vitoria and Rafael, for understanding that I couldn't be there at times with them while I was helping to review this book.

Alexey Grigorev is an experienced software developer with several years of professional Java programming. From the beginning, he successfully adopted the best practices in Extreme Programming (XP), one of which is testing, and drove his teammates to use it. In many cases, he witnessed testing save projects when under constantly developing requirements his team managed to quickly deliver the changes.

Right now, he is a freelancer who specializes in machine learning and data mining, and he also successfully adopts TDD and testing in these fields to ensure the reliability of his applications.

For any questions, you can contact him via <alexey.s.grigoriev@gmail.com>.

Daniel Pacak is a self-made software engineer who fell in love with coding during his studies of Nuclear Physics at Warsaw University of Technology. This was back in 2006 when no one cared about unit testing at all. He acquired his professional experience by working on several business-critical projects, mainly web applications, for clients in financial services, telecommunications, e-commerce, and the travel industry.

When he's not coding, he enjoys lifting weights in the gym close to his office.