Petros Roussis is a certified, full-time trainer in Human Resource Development. He has many years of professional experience in different positions and branches, in Greece and the USA, and as a business consultant has participated in the design and implementation of numerous training and development programs, relations improvement and development and leadership. His career as a trainer started on 1985, working with major Greek and foreign companies, on internal customer issues (management, work relations, communication, leadership, team-building, performance management, coaching, empowerment, change management , positive psychology, etc.) as well as on customer experience (sales, customer service, negotiation, presentation techniques, overdue management, etc.).