Joseph Leo III

About The Author

Joseph Leo III is the founder and owner of Def Method, a New York City-based Ruby on Rails consultancy dedicated to building high-quality, thoughtfully crafted software. He has over 20 years of experience as a software developer, engineering leader, and Ruby community organizer.

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Books by Joseph Leo III

The Well-Grounded Rubyist, Fourth Edition

By David A. Black and Joseph Leo III

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By putting the core principles of the language on full display rather than treating it as a collection of syntax rules, The Well-Grounded Rubyist, Fourth Edition will help you, as it did several earlier generati...

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