Frankel will start in TWC's New York offices on Nov 26 and initially work alongside Sarah Rothman, the Weinsteins' head of corporate communications who has decided to step down after a seven-year association with the brothers.
Rothman most recently served as vice president of corporate communications and led the search for her replacement. She will segue into a consultancy and advisory role before moving on next year.
Julie Cloutier will continue as director of corporate communications focusing on media relations. She joined Miramax in 2004 and moved to TWC in 2005.
Frankel will manage TWC's corporate profile and communications strategies and oversee trade and business press.
'For the past seven years, Sarah's keen insights, tireless work ethic, strong relationships and sound counsel have helped drive the growth of our companies and made her an invaluable member of our team,' the Weinsteins said.
'She is a close and trusted friend to us and while we are disappointed to see her go, we are very pleased to have her at our side during this transition.
'We are very excited to welcome Matthew to The Weinstein Company. He is a respected strategic thinker whose knowledge and understanding of the entertainment industry coupled with his financial acumen, political background and strong understanding of new media and digital content will be a tremendous asset to our team.'
Frankel previously served as vice president of corporate communications at Rainbow Media and during his six years at that company he played a key role in the launch of the day-and-date initiative IFC In Theaters, as well as Rainbow's expansion into international distribution.
Prior to Rainbow Media, he worked on Capitol Hill and served as communications director for the Democratic Leadership Council.