In 1988, Brown earned a Master of Arts degree in political science from University of Hawaiʻi at Mānoa.

[1][2] In 1989, Brown started her political career as a Staff Assistant for Governor Joseph Franklin Ada.

[1][2] In March 1991, Brown was appointed as Deputy Administrator for the Guam Environmental Protection Agency.

[3] In November 1994, Brown won the election and became a Republican senator in the Guam Legislature.

[3] In December 2012, upon the resignation of Anisia B. Terlaje and planned leave of Mary C. Torres, Brown was named acting general manager of Port Authority of Guam.