Randal L. Schwartz (born November 22, 1961) is an American author, system administrator and programming consultant. Schwartz is the co-author of several widely used books about Perl, a programming language for computers, and has written regular columns about Perl for several computer magazines. He popularized the Just another Perl hacker signature programs. He is a founding board member of the Perl Mongers, the worldwide Perl grassroots advocacy organization. He is currently a co-host on FLOSS Weekly.

Schwartz's name is also associated with the Schwartzian transform, an algorithm to efficiently sort a list according to a computation, without repeating the computation many times for each element of the list.

Since 1985, Schwartz has owned and operated Stonehenge Consulting Services, Inc.

(from wikipedia November 2, 2008)