Mark Trefgarne
Product Director, Facebook

Mark Trefgarne is Product Director at Facebook, where he oversees product strategy across the company’s AdTech businesses. Mark founded LiveRail in 2008 and led the company as founder and CEO from inception through the acquisition by Facebook in 2014. Prior to founding LiveRail, Mark founded Cleartide, an Internet strategy and development consultancy.

As an acclaimed entrepreneur and visionary leader, Mark frequently speaks at industry conferences and events, 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.