Speaker Bios

Sheryl M. Larsen is a Worldwide Db2 Z Solutions Strategist at BMC. Previously she worked for IBM, Sheryl M. Larsen, Inc., and Platinum Technology. She is known for her extensive expertise in SQL Tuning and has performed detailed DB2 Performance Health Checks for many fortune 500 clients. Sheryl has over 25 years’ experience in DB2, has published many articles, white papers and co-authored a book, DB2 Answers, Osborne-McGraw-Hill, 1999. Currently she is the President of the Midwest DB2 User Group - www.mwdug.org, an IBM Z Champion and a member of the Northern Illinois University Computer Science Alumni Council.

John Barry is a 20-year veteran of Db2 and currently manages the production of superior technology that greatly enhances your mainframe environment.

Ulf Heinrich is the Director of Solutions Delivery at SOFTWARE ENGINEERING GmbH. He specializes in DB2 operations and performance tuning, focusing on the growing requirement for cost reduction and 24x7 operations. As a consultant at large customer sites, he has implemented database maintenance procedures and recovery strategies, and also experienced the pitfalls of recovery scenarios under real-world recovery pressure. His activities cover EMEA, as well as North America through SE’s U.S. subsidiary, SEGUS Inc. As a member of SE’s Request Board he’s working closely with customers and the development labs.

David Simpson is currently Vice President at Themis Inc. He teaches courses on SQL, Application Programming, Database Administration as well as optimization, performance and tuning. He also installs and maintains the database systems used for training at Themis. Since 1993 David has worked as a developer and DBA in support of very large transactional and business intelligence systems. David is a certified DB2 DBA on both z/OS and LUW. David was voted Best User Speaker and Best Overall Speaker at IDUG North America 2006. He was also voted Best User Speaker at IDUG Europe 2006 and is a member of the IDUG Speakers Hall of Fame.