Robert S. Seiner
Data Governance, Data Stewardship, Meta-Data Management :)

Scott Ambler
Expert on agile data modeling and database refactoring.

Steve Hoberman
Author and trainer presents the Data Modeling Zone

Bill Inmon
Leading Data Management and Data Warehouse Speaker and Writer

Ralph Kimball Associates
A pioneer and leader in the Data Warehouse field

John Zachman
Enterprise Architecture Pioneer

Donald Burleson
Oracle Expert and Author

Database Associates, Inc.
Chris Loosely and company

Database Design Solutions, Inc.
Adrienne Tannenbaum - Metadata consultants

Essential Strategies
David C. Hay - Author of book "Data Model Patterns"

Hurwitz Group, Inc.
Judith Hurwitz - Data Management Industry Ananlysis

Intelligent Solutions, Inc.
Claudia Imhof

Patricia Seybold Group
Data Management Industry Analysis

Universal Data Solutions, LLC
Len Silverston - Data Modeling and Data Warehouse

Ed Yourdon's Home Page
Consultant, Author, and Lecturer

John Zachman
Enterprise Architecture Pioneer