Home > Authors

Oisin Mac Alasdair

H. David Castaneda is a senior technical member in the Cisco Systems® Advisory Services group, where he is responsible for consulting with customers for advanced technologies and providing knowledge and leadership for industry best practices. Prior to his current role, David was the architect and technical lead for Cisco® internal WLAN strategy and deployment.


Oisin Mac Alasdair is an IT program manager in the Cisco Systems Intelligent Network Solutions group. As part of the Cisco IT wireless architecture team, he held the position of global program manager for deployment of infrastructure and currently is the lead program manager.


Christopher A. L. Vinckier is an engagement manager in the Cisco Systems Advisory Services group. He focuses on helping customers solve the perennial problems of business technology alignment, adoption, and absorption. He has advised several of the largest Fortune 500 customers for Cisco on the strategic, operational, and financial benefits of IP-based infrastructure solutions.