Paul Leahy

Computer Science Expert


M.A., Advanced Information Systems, University of Glasgow


B.Sc., Computer Science, Leeds University


  • Has over a decade of experience working in the IT industry
  • Has worked as an in-house and vendor-based computer program developer
  • Is a Microsoft Certified Application Developer for C#


Paul Leahy is a former writer for ThoughtCo, who wrote more than 100 articles over the span of five years. Paul has more than 10 years of experience in the IT industry, working as both an in-house and vendor-based developer. His computer programming career spans the early days of computer languages with little or no structure to the transition to object-oriented programming​ and the explosion of web applications and services. He currently divides his time between IT contracting and freelance writing.


Paul Leahy has a bachelor's degree in computer science from Leeds University in England and a master's degree in advanced information systems from the University of Glasgow in Scotland. He is also a Microsoft Certified Application Developer for C#.

ThoughtCo and Dotdash

ThoughtCo is a premier reference site focusing on expert-created education content. We are one of the top-10 information sites in the world as rated by comScore, a leading Internet measurement company. Every month, more than 13 million readers seek answers to their questions on ThoughtCo.

For more than 20 years, Dotdash brands have been helping people find answers, solve problems, and get inspired. We are one of the top-20 largest content publishers on the Internet according to comScore, and reach more than 30% of the U.S. population monthly. Our brands collectively have won more than 20 industry awards in the last year alone, and recently Dotdash was named Publisher of the Year by Digiday, a leading industry publication.

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