Avram Joel Spolsky (born 1965) is a software engineer and writer. He is the author of
Joel on Software, a blog on software development, and the creator of the product management software
Trello. He was a Program Manager on the
Microsoft Excel team between 1991 and 1994. He later founded
Fog Creek Software in 2000 and launched the
Joel on Software blog. In 2008, he launched the
Stack Overflow programmer Q&A site in collaboration with
Jeff Atwood. Using the Stack Exchange software product which powers Stack Overflow, the
Stack Exchange Network now hosts over 100 Q&A sites.