Laurence Steinberg was born in 1952 and is an American university professor of psychology, specializing in child and adolescent psychological development. Steinberg is a professor at Temple University in Philadelphia, where he is a Distinguished University Professor, and where he holds a named position, the "Laura H. Carnell Professor of Psychology". He is a Fellow of the American Psychological Association, the Association for Psychological Science, and the American Academy of Arts and Sciences, has been a Faculty Scholar of the William T. Grant Foundation, and was Director of the John D. and Catherine T. MacArthur Foundation Research Network on Adolescent Development and Juvenile Justice. Steinberg is a former President of the Division of Developmental Psychology of the American Psychological Association and of the Society for Research on Adolescence. Steinberg’s research has focused on a range of topics in the study of contemporary adolescence, including adolescent brain development, risk-taking and decision-making, parent-adolescent relationships, adolescent employment, high school reform, and juvenile justice. Steinberg proposed the Dual Systems Model of adolescent brain development. He has been a frequent consultant to state and federal agencies and lawmakers on child labor, secondary education, and juvenile justice policy. -from Wikipedia