Kammala jumla mai zuwa: Haines ta yi aiki a matsayin New Jersey National Committeewoman ga Jam'iyyar Republican tun Yuni 2004 kuma an zabe shi a matsayin Co-Chair na Kwamitin Ƙungiyar Republican na Arewa maso Gabas a 2013. A matakin jam'iyyar na ƙasa, ta yi aiki a matsayin memba na Kwamitin Ɗabi'a, Kwamitin Dokoki da Kwamitin Zaɓin Yanki. An zabe ta a matsayin wakili ga Majalisar Dinkin Duniya.
2008 da kuma 2012 Republican National Convention.