Kyriacos Riris has served as a Director since March 2015 and as a member of Nominating Committee since May 2015. Commencing in 1998, Mr. Riris served in a series of positions in PricewaterhouseCoopers (PwC), Greece, including Senior Partner, Managing Partner of the Audit and the Advisory/Consulting Lines of Service. From 2009 to 2014, Mr. Riris served as Chairman of the Board of Directors of PricewaterhouseCoopers (PwC), Greece. Prior to its merger with PwC, Mr. Riris was employed at Grant Thornton, Greece, where in 1984 he became a Partner. From 1976 to 1982, Mr. Riris was employed at Arthur Young, Greece. Since November 2018, Mr. Riris has served as Chairman of Titan Cement International S.A., a Belgian corporation. Mr. Riris holds a degree from Birmingham Polytechnic (presently Birmingham City University) and completed his professional qualifications with the Association of Certified Chartered Accountants (ACCA) in the UK in 1975, becoming a Fellow of the Association of Certified Accountants in 1985.