Demetris is the Executive Director People & Change at Bank of Cyprus since July 2025.

He is responsible for the Human Resources Division, the Legal Services Division, the CEO Office, the Transformation Office, the Corporate Affairs Unit, IDEA Innovation Centre and Bank of Cyprus Cultural Foundation.

He joined the Bank as Management Trainee in 2001 and after a three-year period as Business Banker at the Retail Division he joined the Human Resource Department's Recruitment, Selection and Promotions Unit. In 2007, he was transferred to Moscow as Head of the HR Unit at Bank of Cyprus Russia LLC.  Upon his return to Cyprus in 2009, he joined the Corporate Banking Division and quickly reached the position of Unit Manager at the Recoveries and Restructuring Division of the Bank. In 2017, he was appointed Manager of one of the two Large Corporate Banking Centres of the Bank, a position he held until April 2021, when he assumed the role of Director of the Restructuring and Recoveries Division, a position he held until June 2025.

Demetris holds a Bachelor's degree in Economics from the University of California San Diego, USA, and an MBA from Imperial College, London, UK.

He is a member of the Board of Directors of the IDEA Innovation Centre, and a member of the Board of Directors of the Bank of Cyprus Cultural Foundation.