That year, Fienberg and the production staff were also nominated for the Primetime Emmy Award for Outstanding Drama Series.
[5] Also in 2006 Fienberg served as a co-executive producer and unit production manager for the pilot of HBO polygamy drama Big Love.
In 2007 Fienberg became an executive producer for HBO surf noir John From Cincinnati and directed the episode "His Visit: Day Two".
In 2009 Fienberg became unit production manager and executive producer for the second season of HBO supernatural drama True Blood.
The series was created by Alan Ball and focuses on a small Louisiana town after vampires reveal their existence to the world.
In September 2013, HBO officially announced that True Blood had been renewed for a seventh and final season that would premiere in Summer 2014.
In April 2020, he co-founded the "It Takes Our Village" initiative, with Bruna Papandrea and several other Hollywood producers, to help raise money for below-the-line crews affected by the COVID-19 pandemic.