As a councilmember, Smith-Barnes served as the council president from 2003 - 2005. Providing oversight to the Parks and Recreation Committee since 2003, she accesses critical resources to provide morale and recreational activities. Along with the town clerk, she spearheaded the First Youth Tennis Program in 2004. Smith-Barnes co-chaired the Council Finance Committee in 2007 and headed the Neighborhood Watch Program 2004.

Councilwoman Smith-Barnes currently serves as the Town Council President.

Councilwoman Smith-Barnes has completed the Academy of Excellence in Local Governance course and maintains the following professional memberships:

• Maryland Municipal League
• National Association of Professional Women (Elected 2010-2011 Woman of the Year)
• Prince Georges County-Elected Women
• Prince Georges County Municipal Association