Bruce Momjian is a co-founder of the PostgreSQL Global Development Group, and has worked on PostgreSQL since 1996. He is the author of PostgreSQL: Introduction and Concepts, published by Addison-Wesley. Momjian is employed by Software Research Associates (SRA) in their PostgreSQL support division. Previously, he was vice president of Database Development at Great Bridge LLC, another PostgreSQL support company. He has spoken at many international open source conferences.