Elizabeth Larson, PMP, CBAP, CEO of Watermark Learning (www.watermarklearning.com). With over 25 years of project management and business analysis experience, she has presented workshops, seminars, and training classes on 4 continents. Elizabeth is the content lead for Scope Management for the PMBOK® Guide 5th edition, was one of the lead contributors to the PMBOK® Guide 4th edition (Collect Requirements), and was the lead author for the Planning and Monitoring chapter of IIBA's BABOK® Guide v. 2.0. Elizabeth is co-author of the Practitioner's Guide to Requirements Management: Requirements Planning and the CBAP Certification Study Guide 2.0. She can be reached at elizabeth.larson@watermarklearning.com.