Paul Spencer is a software engineer who has worked in the field of open source geospatial software for more than 15 years. He is a strong advocate of open source development and champions its use whenever possible. Paul has architected several successful open source projects and been actively involved in many more. Paul was involved in the early design and development of OpenLayers and continues to be involved as the project evolves. Paul joined DM Solutions Group (DMSG) in 1998, bringing with him advanced software development skills and a strong understanding of the software-development process. In his time with the company, Paul has taken on a leadership role as the CTO and primary architect for DM Solutions Group's web mapping technologies and commercial solutions. Prior to joining DMSG, Paul worked for the Canadian Military, after achieving his master's degree in software engineering from The Royal Military College of Canada.