In addition, he is an author, trainer and speaker. He has written Microsoft Knowledge Base articles, a BizTalk tools whitepaper, as well as a number of other articles. He was a contributing author for the BizTalk Certification Exam 74-135. He maintains a blog focused on integration technologies at http://blogs.msdn.com/skaufman. Stephen has also spoken internationally at events such as Tech-Ed North America, TechEd EMEA, Microsoft's SOA & BPM Conference, Microsoft's Developer Days as well as a number of other conferences and events. Stephen Kaufman's Books