In the Information Technology Industry since it was called "Data Processing", Dave Hay has been producing data models to support strategic and requirements planning for more than twenty-five years. He has worked in a variety of industries, including, among others, banking, clinical pharmaceutical research, and all aspects of oil production and processing.
For 20 years he has been President of Essential Strategies, Inc., a consulting firm dedicated to helping clients define corporate information architecture, identify requirements, and plan strategies for the implementation of new systems.
Dave is the author of the original data model patterns book, Data Model Patterns: Conventions of Thought, as well as books on requirements analysis and metadata after that.
Early last year, he published the book Enterprise Model Patterns: Describing the World, a comprehensive set of patterns addressing enterprise models from several levels of abstraction. Since he took the unusual step of producing model patterns in UML, a follow-on book, UML and Data Modeling: A Reconciliation was published a few months ago. This presentation is based on that book.
He has spoken at numerous international and local DAMA, user group, and other conferences.