Marten Deinum is a Java/software consultant working for Conspect. He has developed and architected software, primarily in Java, for small and large companies. He is an enthusiastic open source user and longtime fan, user and advocate of the Spring Framework. He has held a number of positions including Software Engineer, Development Lead, Coach, and also as a Java and Spring Trainer. When not working or answering questions on the Spring Framework Forums, he can be found in the water training for the triathlon or under the water diving or guiding other people around.