Barbara von Halle is managing partner of Knowledge Partners International LLC (KPI) and the recipient of the 1995 International DAMA Outstanding Individual Achievement Award. Known as a pioneer in data architecture and business rules, she is co-developer of the Decision Model. Barbara's previous publications include Business Rules Applied (John Wiley & Sons) and The Handbook of Relational Database Design (Addison-Wesley). She also served as co-editor of Auerbach's series Handbook of Data Management, and was a popular columnist in Database Programming and Design magazine for years.

Larry Goldberg is managing partner of Knowledge Partners International LLC (KPI) and is co-developer of the Decision Model. Larry currently serves as the editor of the Business Decision Management Bulletin (a monthly electronic publication) and as chair of the Business Decision Symposium series of BPMInstitute.org Conferences. Larry has founded several software companies, leading them through acquisitions. Prior to joining KPI, he sold a company to Sapiens Americas Corporation and served as Senior VP Sapiens Americas Corporation.