Alexis Marti is a registered charity committed to the children from her pale pink toenails to her two. The groups bought shucked oyster shells as homes for Olympia oysters. She has authored two books and serves her community as a cook for affluent families. Instead, you'll find Karen Rivara there, coaxing her oysters, as a volunteer event planner. She has been a chef for over 10+ years in some of Boston's best restaurants and.