Theodoros is the Founder of Cornerstone Partners and brings more than 16 years of experience across investment banking, capital markets and corporate finance advisory. He has advised corporates, financial institutions and stakeholders on complex transactions and strategic financial decisions across a broad range of industries.
He holds a degree in Business Administration from the University of Piraeus and an MSc in Investment Management from Cass Business School. Throughout his career, Theodoros has developed a strong reputation as a results-driven advisor, combining rigorous financial analysis with clear strategic insight to support high-stakes decision-making.
Theodoros has participated in more than 40 corporate finance transactions, primarily in mergers & acquisitions and business valuations. His experience spans the full transaction lifecycle, from strategic assessment and valuation to structuring, negotiation and execution.
He served as Executive Advisor to the National Bank of Greece for nearly five years, where he was responsible for the structuring, pricing and execution of single-ticket corporate non-performing exposure (NPE) sale transactions. In this role, he worked closely with senior stakeholders on complex balance-sheet and credit-related matters.
In addition, Theodoros has advised on a range of challenging projects, including the preparation and evaluation of business plans, financial models and bank loan restructuring plans. He is recognized for his strong analytical skills, disciplined judgment and ability to communicate complex financial matters clearly to senior management and stakeholders.
Selected transactions:
Buy-side advisory services to a large Construction company regarding the International tender processes held by HRADF in relation to the sale of a majority stake (67%) in the share capital of Volos Port Authority S.A. and Heraklion Port Authority S.A.
Sale of National Bank of Greece’s equity participation in the two major Greek aquaculture companies, Nireus and Selonda.
Advisory services to a large beverage company for the identification, approach and selection of potential strategic partners in selected geographic areas.
Buy-side advisory services to Cosco Group regarding the International tender process held by HRADF in relation to the sale of a majority stake (67%) in the share capital of Piraeus Port Authority S.A.
Sell-side advisory services to HRADF in relation to the sale of a majority stake (90%) in the share capital of Astir Vouliagmenis S.A.
Fairness opinion in relation to the acquisition of 100% of the shares of European Bauxites, S&B’s Industrial Minerals’ bauxite operations in Greece by KERNEOS.
Preparation of Aegean Group’s financial operation model and re-valuation of the goodwill related to the acquisition of Olympic Air.
Buy-side advisory services to OPAP in relation to a) the renewal of the Company’s exclusive Concession Agreement with the Hellenic Republic, b) the acquisition of an exclusive license to operate 35,000 VLTs and c) the concession agreement for the exclusive right to operate Hellenic Republic’s state lotteries for a period of 12 years.
Fairness opinion with respect to the shares exchange ratio between MIG Real Estate REIC and NBG Pangaea REIC in connection with the merger of the two companies by absorption of the latter by the former.
Valuation of Eurobank Properties shares in the context of the Public Tender Offer submitted by Fairfax.
Buy-side advisory services to Cosmote in relation to the acquisition of c. 13% stake in the Albanian Mobile Communications.
Financial advisory services (Cost Benefit Analysis) to Piraeus Port Authority in relation to the expansion of the South part of Central Port for cruise lines and the Construction of a Platform for cruise line at Aghios Nikolaos Port.
Valuation of Ydrogios Insurance share capital.