Marcien Jenckes serves as SVP and GM, video services for Comcast. In this role, he is responsible for all aspects of Comcast’s video business, which serves Xfinity TV customers. He leads the team rolling out the X1 Platform, a cloud-enabled platform that will transform the TV into an entirely new integrated entertainment experience.


Before joining Comcast, Jenckes was president of the media and content divisions of Grab Networks, a Virginia-based online video syndication network provider. He also served as the CEO of Voxant, which merged with Anystream in 2008 to form Grab Networks. Prior to Grab Networks, he held a variety of roles at AOL and was responsible for launching AOL’s free web services by overseeing the design, development and programming of the AOL network, including the launch of the free portal. He also led the strategy and operations team for AOL Programming and the web development, video production, photo editing and project management functions. He also served as SVP of messaging, community and voice where he oversaw AOL’s community products, including the AIM and ICQ.


Jenckes holds an MBA from the Darden School at the University of Virginia and a B.A. in economics and political science from New York University. 

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