Anastasios is Head of EU Antitrust in Brussels. He advises, and represents before the European Commission and the EU Court, major corporations and governments on global antitrust / EU merger control, state aid control, foreign subsidies, and foreign direct investment screening.
Anastasios is admitted to the Bar in New York, Brussels (E), Greece (ΔΣΘ), and in England and Wales (RFL).
Contact details
- Clifford Chance, Brussels
- +3225335933
- Email me
- Speaks English, French and Greek
- Practice area M&A corporate, Antitrust, EU & trade
- Sector Consumer goods & retail, Power & energy networks, Banks, Telecommunications, media & technology, Oil & gas, Transport & logistics, Capital goods, Private equity, Healthcare, life sciences & chemicals, Funds & investment management, Mining & metals
Career & qualifications
- Aristotle University Thessaloniki (LLB) 2004
- EALT - FU St Louis (DEA – Onassis Foundation Scholar) 2005
- Harvard Law School (LLM – Fulbright Fellow) 2006
- Joined Clifford Chance 2006
- Admitted as a dikigoros in Greece 2007
- Admitted as an avocat communautaire in Brussels 2008
- Admitted as an Attorney-at-Law in New York 2011
- Counsel 2013
- Partner since 2017
Awards and citations
- Matter of the Year: Amazon's acquisition of Metro-Goldwyn-Mayer (MGM) Studios
Global Competition Review (GCR) Awards 2023 - “Anastasios Tomtsis is an extremely talented lawyer, a true expert and a dial mover adviser in complex matters … his strategic vision and understanding of both regulatory and commercial aspects make him an invaluable asset ...”
Chambers Global and European Guide 2026: Competition: EU - “… a strategic thinker and leader, … pivotal in advising on complex EU matters …”
Chambers Global and European Guide 2025: Competition: EU - “… an invaluable strategist …”
Chambers Global and European Guide 2024: Competition: EU - “… highly available, hands-on and handles complex matters in a pragmatic manner …”
Chambers Global and European Guide 2023: Competition: EU - “… analytical and cuts to the core issues very quickly …“
Chambers Global and European Guide 2022: Competition: EU