Ranked in 1 Practice Areas
U

Up and Coming

Competition/European Law

Greece

1 Years Ranked

About

Provided by Themelis Zamparas

Europe

Practice Areas

M&A, Corporate Law, Competition Law, Banking & Finance, Privatisations, Energy Law

Professional Memberships

Admitted to the New York State Bar Association (2017) and to the Athens Bar (2017).

Qualified to practice before Courts of Appeal of all jurisdictions.

Publications

Cross-Border Guide to Foreign Direct Investment

Greek Chapter

2026,

TerraLex

PLAKOULAS VASILEIOS, SERGAKI CLAIRE, ZAMPARAS THEMELIS

Lexology In-Depth: Public Competition Enforcement

Chapter Greece

2025,

DRYLLERAKIS EMMANUEL, ZAMPARAS THEMELIS

The Public Competition Enforcement Review

Chapter Greece

2024,

In-Depth (formerly The Law Reviews)

DRYLLERAKIS EMMANUEL, ZAMPARAS THEMELIS

GREECE: An Introduction

2024,

Chambers and Partners

CONSTANTINIDIS VASSILIS, DAMILAKI ANNA, DRYLLERAKIS EMMANUEL, ZAMPARAS THEMELIS

The Public Competition Enforcement Review

Chapter Greece

2023,

Law Business Research

DRYLLERAKIS EMMANUEL, ZAMPARAS THEMELIS

The Public Competition Enforcement Review

Chapter Greece

2023,

The Law Reviews

DRYLLERAKIS EMMANUEL, ZAMPARAS THEMELIS

The Public Competition Enforcement Review

Chapter Greece

2022,

Law Business Research

DRYLLERAKIS EMMANUEL, ZAMPARAS THEMELIS

Free Competition Law

2022,

Nomiki Bibliothiki

DRYLLERAKIS EMMANUEL, DRYLLERAKIS JOHN C., ZAMPARAS THEMELIS

The Public Competition Enforcement Review

Chapter Greece

2022,

The Law Reviews

DRYLLERAKIS EMMANUEL, ZAMPARAS THEMELIS

The Greek Leniency Program for horizontal cartels: Comparative approach and conclusions based on its (non)application to date (in Greek)

Law of Companies and Undertakings

2018,

Nomiki Bibliothiki

ZAMPARAS THEMELIS

The application of the ne bis in idem principle on the Hellenic Competition Commission’s decisions: Emphasis on the HCC’s “self-commitment” by commitment decisions pursuant to Regulation 1/2003(in Greek)

Theory and Practice of Administrative Law

2018,

Nomiki Bibliothiki

ZAMPARAS THEMELIS

Languages Spoken

Greek, English, French, Spanish

Experience

Themelis is active in M&A and Corporate Law, assisting clients with M&A transactions (including due diligence), corporate governance and day-to-day commercial questions and contracts. He has advised clients in several high-profile deals, with a focus in the energy (RES, Oil & Gas), hospitality and food sectors, including with respect to financing issues.

Themelis also specializes in Competition Law, having previously worked both at the European Commission’s DG COMP (state aid) and the Hellenic Competition Commission. He has been involved in a number of major antitrust cases and privatizations with respect to their competition and regulatory aspects.

He is the author of a number of contributions and publications, focusing on antitrust regulation.

Education

New York University School of Law

LL.M. in Competition, Innovation and Information Law (Fulbright Scholar)

2016

National and Kapodistrian University of Athens Faculty of Law

LL.B.

2015

Awards

20 under 40 Business Law Greece

LAWYER | The Business Magazine

2024

Chambers Review

Provided by Chambers

Chambers European Guide

Competition/European Law - Greece

U
Up and Coming
Individual Editorial

Themelis Zamparas enters the rankings on the back of notable praise from referees. He is particularly adept in assisting clients with the competition law compliance aspects of distribution agreements.

Contributions

Latest contributions provided by Themelis Zamparas

In-Depth Overview
Emmanuel J Dryllerakis
Vassilis Constantinidis
Authored by
Themelis Zamparas, Emmanuel J Dryllerakis, Vassilis Constantinidis, Anna Damilakis
Article • Mar 2026

Strengths

Provided by Chambers

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Greece

Competition/European Law

S
John C Dryllerakis
S
Senior Statespeople
2
Cleomenis Yannikas
2
Band 2
2
Emmanuel J Dryllerakis
Head of Competition/European Law
2
Band 2
U
Themelis Zamparas
U
Up and Coming
Corporate/Commercial

S
John C Dryllerakis
S
Senior Statespeople
2
Cleomenis Yannikas
2
Band 2
2
Emmanuel J Dryllerakis
Head of Corporate/Commercial
2
Band 2
Leonidas Kastrinakis
Associates to watch
Dispute Resolution

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John C Dryllerakis
Head of Dispute Resolution
S
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3
Panagiotis Kakaletris
3
Band 3
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Vassilis Constantinidis
3
Band 3
Employment

3
Vassilis Constantinidis
Head of Employment
3
Band 3
Energy

U
Anna Ntionia
U
Up and Coming
Tax

S
John C Dryllerakis
Head of Tax
S
Senior Statespeople
3
Eleftherios Rantos
3
Band 3
3
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3
Band 3
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John Papadakis
U
Up and Coming