Assistant department psychiatry Institute Pediatry Medical University, Warsaw, 1988—1990. Assistant department neurology, epileptology Medical Center Postgraduate Education, 1990-1994. Assistant department child psychiatry Medical University Warsaw, 1994—2002, head department child psychiatry, since 2002, professor child psychiatry, since 2004.
Consultant Out-Patient Epilepsy Department, Warsaw, 1990—1994. Medical journalist Hans Bauer Verlag, Poland, 1992—2000. Head out-patient Attention Deficit/Hyperactivity Disorder Department, Warsaw, since 1995.
Psychiatry and psychology out-patient department Foundation Zdrowie, Warsaw, 2001—2002.
- Author: Hyperactivity in Children, 1999, Mental Disorders in Epilepsy, 2002, Emotional and Behavioral Disorders in Children and Adolescents in Poland, 2002. Editor: Emotional and Behavioral Disorders in Children, 2005. Creator 12 Week Parental Training for Parents of Attention Deficit Hyperactivity Disorder Children, 2000.
Member of Polish Society Cognitive-Behavioral Therapy (secretary executive committee 2001-2003, vice president since 2005), Polish Psychiatry Association (secretary Warsaw chapter 1998—2001, president Attention Deficit Hyperactivity Disorder committee since 2006, member child and adolescent psychiatry section, committee Attention Deficit Hyperactivity Disorder), Polish League Against Epilepsy (secretary executive committee 1992-1995), Italian Society Cognitive Therapy (associate).