- works on the development of new printing architectures, technologies, printing infrastructure, and interface standards for Linux and UNIX-style operating systems.
- collaborates with IEEE-ISTO Printer Working Group (PWG) on IPP projects.
- is working with SANE to make IPP scanning a reality.
- maintains cups-filters which allows CUPS to be used on any Unix-based (non-macOS) system.
- is responsible for the Foomatic database.
- is working on Common Print Dialog Backends project.