Donald Brent Chapman is the founder of Great Circle Associates[1][2], coauthor of the highly regarded O'Reilly book, Building Internet Firewalls, and the creator of the Majordomo mailing list management package. In 2004, Brent was honored with the annual SAGE Outstanding Achievement Award "for outstanding sustained contributions to the community of system administrators".

Chapman is an Eagle Scout and Civil Air Patrol pilot.

Education
MBA, Melbourne Business School (Australia)

BS in Electrical Engineering and Computer Science, UC Berkeley.

Publications
Building Internet Firewalls (2000) ISBN 1565928717

Building Internet Firewalls (1995) ISBN 1565921240