Research Interests Alcohol and drug abuse among youth and high risk populations, examining etiological factors, developmental trajectories, interventions and outcomes Neurocognitive consequences of early drug/alcohol involvement and personal features which have implications for intervention and prevention (e.g., concomitant psychopathology, neuromaturation, personality, cognitive factors, coping skills, etc.). Developmental processes (e.g., role changes, neurocognitive and neuroanatomical development, self-regulation of affect, alcohol-related cognitions, motivational enhancement procedures for abusing youth) and effective intervention strategies for youth Models of clinical course for substance abuse, psychiatric comorbidity as well as neurocognitive and psychosocial factors influencing transitions out of alcohol and drug problems