Ladd is a celebrity ambassador for the child abuse prevention and treatment non-profit Childhelp.

Since then she has worked as a celebrity ambassador for Phonak, helping to raise awareness of hearing loss.

It takes a collaborative approach working with external researchers, other cancer charities and the community, including celebrity ambassadors.

Five & Alive works in collaboration with partners ranging from large corporations to celebrity ambassadors to other nonprofit organizations.

She is a celebrity ambassador for the British Red Cross.

Gifford is a celebrity ambassador for the non-profit organization Childhelp.

Schroder is an active celebrity ambassador for the child abuse prevention and treatment non-profit organization Childhelp.

She is also a celebrity ambassador for Childhelp, a child abuse prevention and treatment non-profit organization.

Some celebrity ambassadors say much of their work occurs away from the spotlight.

The 2011 celebrity ambassador for the walk is Michael C. Hall.