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To create its highly regarded networking information products, Certification Zone has always relied on a skilled group of world-class experts, who are certified and experienced, to write and develop our Cisco certification preparation products. Instead of using just one or two networking professionals to address the multitude of topics addressed on Cisco's certification exams, Certification Zone finds experts in each topic who have hands-on field experience with the technologies they cover for our site.

Technical Director Howard C. Berkowitz
Annlee Hines
Barry Meinster
Chris Ackerman
Chuck Larrieu
Dale Holmes
Damarcus Richards
Dan Farkas
David Wolsefer
Dennis Laganiere
Don Dettmore
Galina Pildush
James Ellithorpe
Jason Sinclair
John Neiberger
Katherine Tallis
Kevin Downes
Keyur Shah
Leigh Anne Chisholm
Marc R. Menninger
Marianne Lepp
Mark Poplar
Michael Connelly
Mike Sweeney
Peter A. Van Oene
Priscilla Oppenheimer
Richard French
Richard Gosney
Rita Puzmanova
Rodgers Moore
Ronald Trunk
Scott Morris

Ronald Trunk

Certification Zone Study Guides by Ronald Trunk:

Interior Redistribution

Ronald Trunk has over twenty years experience in Network Design and System Integration. He has worked or consulted for a variety of governmental, financial, legal, educational and commercial organizations including the U.S. Postal Service, GTE Spacenet, Security Pacific National Bank, Maryland National Bank, the International Monetary Fund, Steptoe & Johnson, LLP, University of California and numerous smaller firms in both the U.S. and Europe.

Ronald has currently been promoted to Network Architect at TimeBridge Technologies, Inc. Ronald is CCIE #5942.

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