Martin J. Duggan

Martin James Duggan, CCIE No. 7942, is a network architect for AT&T. He designs network solutions for customers globally and specializes in data center networking and QoS. Martin mentors colleagues through their Cisco qualifications and holds regular internal training classes. Previous to this Martin was a network architect for IBM performing IP network designs and global network reviews. Martin has been in the industry for 20 years focusing on Cisco solutions for the previous 11 years. Martin is the co-author of the Cisco Press CCIE Routing and Switching Practice Labs, First Edition.



Maurilio P. Gorito

Martin James Duggan, CCIE No. 7942, is a network architect for IBM. He designs network solutions for customers globally and specializes in Campus LAN, ATM WAN, and network integration.

Maurilio de Paula Gorito, CCIE No. 3807, currently works for Cisco Systems, Inc., as part of the CCIE Team. As content lead, Maurilio is responsible for managing the content development process for the CCIE Routing and Switching Lab and Written Exams and proctoring the CCIE Routing and Switching and CCIE Security Lab Exams.