Actress Jennifer Garner has breen named to board of trustee's of Save the Children, the Westport-based, global children's relief agency announced.

Garner joins a 30-member board that includes ABC News political commentator Cokie Roberts, former Xerox Corp. Chairman Anne Mulcahy, former ABC News President David Westin and other prominent people, Save the Children said in a news release.

The actress has been an "artist ambassador" for the organization, volunteering in its early-childhood- development and literacy programs in her West Virginia, where she was raised, according to the release. She also has advocated for Save the Children on Capitol Hill.

The 42-year-old actress's film credits include "Dallas Buyer's Club," "13 Going on 30," "Juno" and other feature films. Her appointment to the board is for a six-year term.