Early in her career, Nortman worked at Morgan Stanley , Microsoft , and Battery Ventures .  She became VP of M&A at IAC where she served as a board member to Hatch Labs, IAC’s mobile technology incubator.  It was at this position where Kara became a seed investor and advisor to Tinder.  Some of Kara's most notable M&A's at IAC include Urbanspoon , Dictionary.com and Aston Hotels.  Kara worked her way up to the role of Senior Vice President and General Manager of Urbanspoon and Citysearch. 
In 2013, Kara founded Moonfrye a children’s e-commerce company which merged to become Seedling.  In November 2014, she joined Upfront Ventures as a Partner.  In 2017/2018, Kara has shown an interest in blockchain technology.