Katerina Perissi is Sustainability & Corporate Responsibility Expert. She has more than 20 years of experience in the field of Corporate Communications, Corporate Responsibility and Sustainability. Katerina is also highly skilled in Sustainable Development, Sustainability, Environment Management Systems (EMS), Communication, and Environmental Awareness. She has held key managerial positions such as Public Relations and Sponsorship Manager, Corporate Responsibility Manager and Environmental Management Manager of the OTE Group. Finally, from 2012 until May 2020, she was in charge of OTE Group’s Environmental Performance.