Earlier in his career, Hubbard served as deputy chief of staff to Vice President Dan Quayle, and as chair of the Indiana Republican Party.

Hubbard formerly served as director of E & A Industries, a conglomerate in Indiana that owns three chemical companies, among others.

A major fundraiser for Bush, Hubbard served as the volunteer chairman of the Indiana Republican Party from 1993 to 1994.

[4] In 2017, Hubbard was considered for the position of Deputy Secretary of Education by President Donald Trump, but ultimately withdrew his name from consideration.

[1] A board member on the Indiana Commission for Higher Education, Hubbard is a supporter of charter schools.