Bob Zawalich is a composer, guitarist, and software designer who lives near Seattle, Washington. He studied both computer science and music, and wrote software professionally for over 20 years.
Bob was one of the software designers who worked on the first Windows version of Microsoft Word. The Computer History Museum makes the source code for that project available as one of the Software Gems in its Historical Source Code Series.
He was the webmaster for Harp Spectrum from 2005 to 2023, and has written many plugins for Sibelius.
In March 2021, Bob was interviewed by Philip Rothman and David MacDonald about how he came to write plugins for Sibelius.