Jennifer Lewis, Ph.D., LCSW is a professor in the Suzanne Dworak Peck School of Social Work at the University of Southern California. She holds a Ph.D. in social work from New York University a M.S.W. from Boston University. Her specialties include integrated health and mental health, focusing on HIV, suicide prevention, stress, trauma, and resilience.Paul Muller is a founding member and the current president of Bridge Rail Foundation, a nonprofit organization originally dedicated to ending suicides on the Golden Gate Bridge. He recently retired from his marketing business, Muller and Smith.