Rob Sisson is the President of the Michigan-based environmentalist nonprofit ConservAmerica (formerly known as Republicans for Environmental Protection).
In August 2019, Sisson was appointed by President Donald Trump to the International Joint Commission, an American-Canadian bi-national organization that manages border waterways.  His appointment succeeded US Commissioner Dereth Glance, an appointee of former President Barack Obama. 
Rob Sisson was described by WVIK, Quad Cities NPR, as someone “active in the Republican Party.”  He served two terms as mayor of the city of Sturgis, Michigan, and ran unsuccessfully in the 58th District of the Michigan House of Representatives in 2008. 
He also served on the Sturgis City Commission from 2003 to 2016 and held ranking positions in the Sturgis and St. Joseph County Economic Development Corporations. 
He was President of ConservAmerica from 2006 until April 2019, when he stepped down to assume his federal appointment to the International Joint Commission.  He had previously been appointed by former Michigan Governor Rick Snyder (R) to the state’s Environmental Justice Working Group in 2017. 
Prior to his political and environmentalist career, Sisson was a small business banker.
In interviews, Rob Sisson has expressed a desire for the Republican Party to propose solutions to man-made climate change. Some of the policies that he has publicly supported are carbon taxes, “cap-and-trade” emissions trading, increased federal regulation, and a national energy plan to decrease private regulatory uncertainty. 
Rob Sisson is married to his wife, Theresa. They have two children: Nathaniel and Benjamin. 
Sisson is a practicing Catholic.