Ari has an MSc in structural mechanics. From 1990 to 1996 he developed embedded real-time systems for Metso and Nokia. Around 1997 he became a full-time organizational therapist, co-leading a three-year cultural change program and delivering a 10-day training program for 150 program managers. He has deep experience in organizational behavior and group dynamics. Since 2006 he has contributed to Agile adoptions for Nokia Networks and since 2008 for medical, financial, game and car sectors. He is experienced in applying LeSS wisdom to non-standard situations. For the last couple of years he has worked with European car and transport industry.