Christiana Rigby is a dedicated public servant and lifelong resident of Howard County. She was born and raised in District 3, growing up off Shaker Drive in the Columbia Village of Kings Contrivance. Christiana attended Atholton Elementary, Clarksville Middle, and Hammond Middle, and she is a proud graduate of Hammond High School. Christiana currently lives in Kings Contrivance with her husband, Nick, and their two children, Eliza and Arlo, who attend Howard County Public Schools.

After graduating from the Howard County Public School System, Christiana went on to study Environmental Science at the University of Maryland – Baltimore County, with a focus on environmental policy. Christiana started her career as a community organizer, where she honed her skills leading consumer protection initiatives, strengthening environmental regulations, and fighting to safeguard employment opportunities for the LGBTQ+ community. When Christiana returned to Howard County to raise her family, she continued her service in the community through her work on the nonprofit Board of Howard EcoWorks and as the Vice-Chair of the Kings Contrivance Village Board.

In 2018, Christiana was elected to serve on the Howard County Council representing District 3. In her first year, Christiana was unanimously elected Chair of the Howard County Council, the youngest woman ever to hold that position. On the Council, Christiana has focused on education funding, affordable housing, climate action, accessible transportation, and community-enhancing policies.