About Sandi Metz
Sandi Metz was an American programmer, teacher and consultant.
Sandi Metz is an American software engineer and author. She is the author of Practical Object-Oriented Design in Ruby. Metz teaches workshops around the United States for new and experienced developers, emphasizing good programming habits and practices.
Metz is known for her books and articles on object-oriented programming and her statement regarding abstraction and the Don't repeat yourself principle, that duplication is cheaper than the wrong abstraction.
Publications Metz, Sandi (September 5, 2012), Practical Object-Oriented Design in Ruby (First ed.), Addison-Wesley, Metz, Sandi & Owen, Katrina (Mar 20, 2017), 99 Bottles of OOP (First ed.), Potato Canyon Software, LLC,
Important concepts elaborated SOLID Design principles Test-driven development Dependency injection
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Frequently asked questions
Who was Sandi Metz?
American programmer, teacher and consultant
What was Sandi Metz's occupation?
Sandi Metz was a programmer, teacher and consultant.
What nationality was Sandi Metz?
Sandi Metz was American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Sandi Metz. https://biography.guide/sandi-metz/
MLA: "Sandi Metz." Biography.guide, https://biography.guide/sandi-metz/.
Chicago: "Sandi Metz." Biography.guide. https://biography.guide/sandi-metz/.
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