Rik Marselis is a senior test advisor who is dedicated to testing and quality assurance since more than 14 years after he had learned, as a systems developer, all about software development and the difficulties that may arise in information systems.
He contributes to the test process evolution of various companies by giving advice, doing research and development and by training the people involved in testing. Rik is an accredited ISTQB tutor and treasurer of the Belgium and Netherlands Testing Qualifications Board. Also Rik is known for his lively presentations within companies and on seminars and conferences throughout Europe.
With the work on the TestGrip book Rik trusts many more companies will now be able to take advantage of the knowledge of the authors to improve their testing.

Chris Schotanus is a senior management consultant testing and test management. He has over 27 years of experience in IT, of which 13 years in the area of testing and test management. Chris is involved in the development of Logica's methods for test management and structured testing. He advises organisations, both nationally and internationally, on the subject of structured testing, test management and test organisations.