Ian Joseph Somerhalder (born December 8, 1978) is an American model, actor and producer. Somerhalder was the first actor/celebrity to become actively involved in the cleanup after the Deepwater Horizon oil drilling disaster on April 22, 2010. His efforts included cleaning of oiled wildlife and taping public service announcements to let the public know how they could help. Somerhalder also supports St. Tammany Humane Society, an organization for animal shelter and welfare.