Home / Knowledge Hub / The Connectivity Podcast / EP48: Preventing fiber cuts, transparency of network routes, multi-network resiliency

EP48: Preventing fiber cuts, transparency of network
routes, multi-network

David Tomalin, Group CTO at CityFibre is back on the podcast to talk about preventing accidental fiber cuts, transparency vs. openness when it comes to network routes, the trend towards multi-network resiliency, sustainability in the networking industry, and more.

Mattias Fridström
Mattias Fridström
There’s a certain kind of person who gets a little bit too excited about networks. Mattias is that guy. If he had a tattoo, it would be of a network. Mattias holds an MSc in Electrical Engineering from the University of Wollongong, Australia. (...)
He joined Telia in 1996 and has worked in a number of senior roles at Telia Carrier (now Arelion), most recently as CTO. Since July 2016 he has been Arelion's Chief Evangelist. Mattias’ passion isn’t limited to networks: He has played golf professionally and competed on a high level in both football and floor hockey.
David Tomalin
David Tomalin
Chief Technology Officer at CityFibre

Having worked within well-known vendor and network provider organizations for over 25 years, David is now CityFibre’s Group Chief Technology Officer.


In his role he is responsible for the selection and evolution of all powered network technology assets; a vital part of enabling CityFibre’s world-class infrastructure platform deployment ambition.

David joined CityFibre from Ciena where, as CTO for Europe, the Middle East and Africa he was responsible for leveraging Ciena's technology and operational leadership to enable partner success and drive Ciena’s regional business reputation and growth.

One of David’s earlier positions was at Level 3 Communications as European Director of Engineering where he delivered IP, Transport and CDN networks, with a focus on driving cost efficiency and maximizing commercial opportunities. From there he became CTO at euNetworks, where he took responsibility for technology selection, platform lifecycle and network integration.

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