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W@Competition&nbsp;Five Star Professionals&nbsp;UK &amp; Ireland

GUIDE STARS

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Vice President

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London

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Competition

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Financial Services

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Lawyer

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In-House Counsel

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I lead the Competition lawyers across the Group airlines. I sit on the Board of Vueling Airlines. 

Head of Competition Law

London, UK

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Airlines/Aviation

Compliance

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Legal Director Competition, Regulatory and Litigation

Legal Director

Virgin Media O2

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Telecommunications

Director

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Deputy General Counsel

HSBC

Katerina leads a diverse and multidisciplinary team of 14 lawyers across the UK, Spain, Germany, Singapore and Brazil with expertise in the intersecting areas of competition law, financial services and payments regulation.

As well as leading the team that advises on EU Law and EMEA antitrust matters (e.g. counselling, M&A, regulatory enquiries), Katerina also oversees payments regulatory litigation and references to the CJEU.  
 
Following successive expansions in her role at American Express, effective January 2019, Katerina advises globally on external policy trends, regulatory engagement and related corporate strategy. 

Katerina is a passionate advocate for diversity and co-leads the Access & Equity Pillar of the American Express GCO Inclusion and Diversity Program.

OTHER ACTIVITIES:
•	Committee Member of the Competition Law section of Business at OECD.
•	Member of the Competition Law International Editorial Board.
•	Expert advisor to the European Commission on Payments Regulation in the Payment Systems Market Experts Group.
RECOGNITION:
•	2019: 40 in their 40s notable women competition professionals – W@competition
•	2016: Recognised as one of the leading women in antitrust globally – Global Competition Review 
•	2015: Top 40 under 40 antitrust experts globally – Global Competition Review


Group Counsel

American Express

Competition Law Legal Advisor, Legal Division

Legal Advisor

Office of Fair Trading

Solicitor

Clifford Chance

Stagiaire in DG Enlargement, negotiating accession of prospective members

Stagiaire

European Commission (EC)

Litigation

SHINING STARS

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The UK Competition and Markets Authority (CMA)

Senior Competition Counsel

Google

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Regulatory / Enforcement

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Digital

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Advised clients across a range of industries on competition law issues including investigations, mergers, abuse of dominance and vertical relationships. Significant experience in dealing with the European Commission and UK and other national competition authorities and sectoral regulators.

Senior Associate

Freshfields Bruckhaus Deringer

Responsible for the Group's competition compliance, competition law advice for strategic initiatives and commercial arrangements, as well as managing merger control and foreign investment approvals for M&A.  

Head of Antitrust

LSEG

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Competition Counsel

Head of Competition law and BAU telecoms regulatory matters (e.g. compliance with Ofcom General Conditions of Entitlement, implementation of new legislation, enforcement programs etc.).

Head of Competition Law & Regulatory Affairs

Responsible for competition law compliance and related advisory matters for Telefonica UK Ltd

Member of wider leadership team responsible for competition law and telecoms regulatory compliance.

Head of Legal - Competition, Regulatory and Competition Policy

Head of Practice

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Head of the competition and litigation team, responsible for Europe and CEMEA. 

VP, Competition & Litigation

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Mari is a Director in the Global Competition Team, based in London, responsible for a team  advising Investment Bank and Services Company colleagues in Europe, APAC and the Americans on a broad range of competition law queries and topics. Amongst other things, she leads the competition team members responsible for competition law investigations (including Foreign Exchange Rates) and internal audits, compliance and advisory on a variety of investment banking topics, as well as on M&A matters, strategic investments, innovation, ESG, procurement, HR and more. She is a regular speaker at conferences (Informa, Concurrences, Chatham House, Lear) in London, Brussels and Rome, at which she shares her expertise and practical guidance on several areas of the law, including horizontals, strategic investments, blockchain, labour issues, ESG, impact on in-house counsel of procedural or substantive changes to legislation.

Competition Director

Barclays

As an Associate in both Brussels and London, Mari advised clients on several high profile global cartel investigations, mergers, abuse of dominance and verticals queries and investigations across a variety of industries and jurisdictions. 

Associate

Worked as a legal trainee, supporting in cartel investigation, merger control and broader European law matters

Trainee

McDermott Will & Emery

Intern in the Services Unit of the Authority  and supported the Deputy Head of Unit with his case work

Autorità Garante della Concorrenza e del Mercato (AGCM) - Italian competition authority

Stagiaire in the Antitrust Transports Unit at DG Competition and supported officials in other Units, such as Mergers

Staigiaire

Directorate General Competition (DG COMP) - European Commission

As an intern with the Italian Permanent Representation to the World Intellectual Property Organization and the World Trade Organization, Mari joined these bodies’ meetings on behalf of Italy, supported with inputs and participated in EU coordination meetings.

Intern

Italian Permanent Mission to WIPO and WTO

RISING STARS

Associate General Counsel for Competition and Regulatory at Meta. Her work spans antitrust, mergers and ex ante digital competition regulation. She currently leads the company's competition regulatory strategy for the UK, and provides global competition advice on the company's Augmented Reality and Artificial Intelligence product portfolios. She also has extensive experience advising the company on its commerce and financial services offerings.

Associate General Counsel

Lawyer on the Competition & Regulatory Team. Advised on all aspects of European and UK competition law, for clients in a broad range of sectors, including technology, energy, payments, communications and insurance. Acted as sole Global Antitrust Counsel while on secondment at Diageo.

Slaughter and May

Advised on all aspects of European competition and trade law.

Cleary Gottlieb Steen & Hamilton

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Hi-Tech

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Attorney / Solicitor

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Associate in the Antitrust, Competition & Trade team. 

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In my current role as VP & Senior Counsel my team and I advise on a wide range of antitrust and payment systems regulatory matters.

VP & Senior Counsel

In my previous role at American Express I used to advise the company on a wide range of antitrust and payment systems regulatory matters. 

|-American Express & Harvard Certificate in Leadership Excellence (2018)

|-Women@ - 30 in their 30s notable women competition professionals: recognition in the in-house category (2017)

Director & Counsel

During my tenure at the Commission’s antitrust and merger control branch – DG COMP, I handled high profile antitrust as well as merger cases in the fields of media, telecoms and tech. Throughout my tenure I have worked at the interface between competition law and sectoral regulation in the telecoms and media sectors. 

Case Handler

Payment Services

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UK Competition Counsel

Amazon

Digital Services

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Leading the team responsible for monitoring BT's delivery of the Commitments on behalf of the BT Compliance Committee (a committee of the Board of Directors of BT Group plc Board).