Meet our team
Our CEO:Dimitris is the co-founder and Chief Executive Officer of BigTime. He oversees the company’s international strategic development and relationship management in its client and target markets.
His previous high-level experience includes senior roles in B2B sales, business development and team management throughout the EMEA region and Australia. He has particular strengths in consultancy-led solutions which meet commercial objectives for major companies and campaigns, ensuring all activity is targeted and effective.
Dimitris was educated in Europe and the USA, where he attended the Harvard Business School. He holds an MBA and a BSc in Business Administration.
Our CCO:Aris has diverse experience across different international roles and assignments and brings quality assurance to all BigTime activities with focus on strategic planning, business development and sales. Aris is the co-founder and Chief Commercial Officer of BigTime.
Expertise gained in the last ten years alone covers a wide range of knowledge fields and business areas across Software Development & Management, Technical Management, Process Management, Project Management, Account Management, Business Development and Sales. In addition, Aris has had extensive exposure to telecom projects and negotiations throughout North America, Europe, the Middle East and Africa, consistently exceeding targets.
Aris holds a BSc in Electronic Engineering from the Technological Educational Institute of Athens and an MSc in Artificial Intelligence from the University of Edinburgh.
Our CSO:As Chief Strategy Officer, Sotirios Georgiou oversees strategic opportunities and international development for BigTime. He has significant experience as an Investment Manager, Management Controller, Sales Manager and Project Manager for restructuring and turnaround projects across industry sectors and telecommunications in particular. Other sector experience includes corporate finance, investor relations, computer science, manufacturing and retail.
His expertise in people management comes from major HR roles where Sotirios has significant experience in building and deploying effective teams as well as in group organization, leadership, and client handling. His skill-set focuses on high-quality work, analytical and conceptual thinking, and organizational commitment. In addition, he has integrated knowledge in the areas of forecasting, international relations, spreadsheet modeling and strategy development.
Sotirios holds a BSc in Business Administration from University of Augsburg, an MBA from Strathclyde University, and an executive qualification in Finance, Technology and Sales from Siemens Business Technology Centre in Munich.
Our CFO:Dimitra Tsiampali has held various senior financial positions at a wide range of business sectors encompassing the telecoms, health, pharmaceutical and insurance industries as well as the public sector. Her experience spans multinational companies and start-ups where she gained vast experience in financial and treasury management, budgeting, financial analysis and corporate finance, including IPOs and M&As. She holds a BSc in Management and Business Administration from UoM, Thessalonica, and an MSc in Business Economics from UMIST Manchester School of Management.