Contributors 207
two books: Microsoft® Visual C#® .NET Step by Step (Microsoft Press) and C#
Annotated Standard (Morgan Kaufmann).
Jon is married to the beautiful Natalie, and is the proud father of Ellie, Penny,
and Patrick. He is also a mad keen freshwater fisherman.
“Do Lots of Deliberate Practice,” page 44
“Make the Invisible More Visible,” page 112
jørn Ølmheim
Jørn Ølmheim is a practicing software professional with over 10
years of experience as a developer, architect, and author/presenter.
He currently works for Statoil, developing software for a number
of research projects, mostly using Java, Ruby, and Python with a
pinch of Fortran and C/C++ for high-performance computing. His main
interests include agile practices with an emphasis on developer craftsmanship,
programming languages, and autonomous systems.
In his spare time, he enjoys skiing, mountain biking, and spending time with
his family.
“Beauty Is in Simplicity,” page 10
Kari Røssland
Kari Røssland is a software developer at the Norwegian division
of the consulting company Steria. In the three years since she got
her master’s degree in computer science from NTNU in Trond-
heim, Norway, she has worked on several different projects. She
is particularly interested in agile development and is passionate about effi-
cient, joyful cooperation between participants in software projects.
“Pair Program and Feel the Flow,” page 128
Karianne Berg
Karianne Berg holds an MSc from University of Bergen, Norway,
and is currently employed at the Norwegian consulting firm
Objectware. She likes to contribute to making people better devel-
opers, and is co-organizer of the ROOTS and Smidig conferences,
as well as the Oslo XP Meetup. She has also presented at several conferences,
and was last seen at Smidig 2009. Karianne’s main fields of interest include
agile development, patterns, and the Spring framework.
“Read Code,” page 140