Free and open to the public. Reception to follow. As President of Earthjustice, the nation's premier public interest environmental law firm ( www.earthjustice.org ), Trip Van Noppen leads the organization's staff, board, and supporters to advance its mission of using the courts to protect our environment and people's health. From the speaker's bio : "In 2005 I was thrilled to join Earthjustice in the newly-created position of Vice President for Litigation.