Mamas Koutsoyiannis is the Chief Executive Officer of Moore Assurance and Advisory in Romania and Moldova. He leads the strategic vision and operational excellence of the firm, with a strong focus on providing high-quality audit, accounting, tax, and management consulting services tailored to client needs. With nearly 30 years of professional experience including more than two decades in the Romanian and Moldovan markets, Mamas has cultivated deep expertise in assurance and financial advisory.

Throughout his career, he has remained committed to creating long-term value for clients, partners, and stakeholders by upholding the highest standards of professionalism, ethics, and integrity. He is also passionate about nurturing a high-performing, diverse team dedicated to innovation and delivering exceptional client service.

Mamas holds a degree from the University of Chicago Booth School of Business and is a Fellow member of numerous professional bodies, including ACCA, ASPAAS, CAFR, CECCAR, CCF, IIA, ICPAC, and ACAP. He recently completed a postgraduate qualification in Board Practice, Directorship, and Governance at Henley Business School, underlining his commitment to continuous learning and responsible leadership.