Mark Trefgarne
Product Director, Facebook

Mark Trefgarne is the Co-Founder of LiveRail and Product Director at Facebook. Prior to founding LiveRail, Mark founded Cleartide, an Internet strategy and development consultancy, where he held the role of Managing Director and helped client companies develop and execute successful online marketing strategies, including web design and development.

As an acclaimed entrepreneur and visionary leader, Mark frequently speaks at industry conferences and events such as AdMonsters Publisher Forum, Digiday Publishing Summit, and the IAB Annual Leadership Meeting. He has appeared on Bloomberg TV and regularly provides commentary for leading publications such as Advertising Age, AdExchanger, Digiday, MediaPost, and VideoNuze. Mark holds a B.A. in Economics and Business from University College London.