Data 2018: Data Privacy, Protection and Security Analysis

This year’s research identifies 423 eminent data privacy and protection lawyers. The individuals listed here have expertise in outsourcing, contractual matters and compliance to ensure that company and individual data remains private.

We also highlight 197 leading data security lawyers for their expertise in helping companies keep control of data protected by security systems and infrastructure. 


Thought Leaders
Data Privacy and Protection
1. Susan Barty CMS Cameron McKenna Nabarro Olswang LLP, London
2. Christopher Millard Bristows LLP, London
3. Eduardo Ustaran Hogan Lovells International LLP, London
4. Bridget Treacy Hunton & Williams, London
5. Paul Barton Fieldfisher, London
Data Security
1. Robert Bond Bristows LLP, London
2. Christopher Millard Bristows LLP, London
3. Sam De Silva CMS Cameron McKenna Nabarro Olswang LLP, London
4. Daniel Cooper Covington & Burling LLP, London
5. William Long Sidley Austin LLP, London
The Thought Leaders are those individuals who received the highest number of nominations from peers, corporate counsel and other market sources this year. Our research has identified them as truly outstanding practitioners and the very best in their field.


Who's Who Legal does not list law firms, only individual lawyers. The leading firms are those in each region whose listed practitioners received the most total nominations in our research.

Full-service London firm BRISTOWS achieves an impressive nine listings in the space.
Christopher Millard is a leading authority on data protection and security matters. Peers say, “He is a very good and experienced lawyer” who is “excellent” when it comes to cloud computing.
Robert Bond is a revered lawyer for internet privacy, internet security and data protection law, who counts major international corporations amongst his impressive clientele.
Toby Crick draws praise for his outstanding transactional expertise and strategic approach to data exploitation matters.
Mark Watts is highly ranked for his expertise in data privacy by market sources, who note, “He is well known and very popular with clients.”

Four lawyers from SIDLEY AUSTIN’s outstanding technology practice are recognised here. Together, they boast eight listings across the privacy and protection and data security market.
William Long draws praise as “a respected expert in the field of financial services and data protection”. He also boasts expertise in data security matters and is exceptionally responsive in crisis situations.
The “excellent” Geraldine Scali is highly regarded as a go-to practitioner for compliance strategy and cross-border data transfer matters.

Global giant HOGAN LOVELLS sees four lawyers achieve six listings here.  
Eduardo Ustaran is widely regarded as “one of the best-known privacy experts in the world”. He is highlighted for his first-rate regulatory advice and international privacy strategies.
The “great” Quentin Archer regularly counsels clients, who include high-profile multinationals, on IT law, privacy and security.

The London office of international firm CMS CAMERON MCKENNA NABARRO OLSWANG is home to three lawyers, who gain four listings.
Susan Barty is the foremost privacy and protection lawyer in England. With extensive expertise in the media and technology sectors and a well-established disputes practice, she is a trusted representative to a range of major clients.
Sam De Silva enjoys a fantastic reputation in the market and is one of the leading names when it comes to cloud computing and cybersecurity.
Clive Gringras is regarded as “a first-rate lawyer” by peers and clients alike, who commend his sensitive and strategic handling of business-critical disputes.

HUNTON & WILLIAMS’ London office achieves four listings in this chapter.
Bridget Treacy ranks prominently for her broad transactional expertise and deep knowledge of data privacy and information governance. She impresses peers with her strategic counsel on cloud computing and cybersecurity issues.  
Rosemary Jay “is a respected senior expert” in data privacy and protection. She is a highly knowledgeable authority, with market sources saying, “Her expertise and insights on the GDPR are very valuable for practitioners.”

FIELDFISHER is a prominent multidisciplinary European firm and achieves four listings here.  
Hazel Grant leads the firm’s privacy practice and excels as “an excellent data protection lawyer”. Market sources speak highly of her terrific approach to global compliance strategies and responsiveness to security breaches.
The “highly recommended” Paul Barton is highly visible in the market for his strong data protection practice. Sources highlight his notable expertise in digital data exploitation and cloud computing matters.

COVINGTON & BURLING is a strong player for corporate law work. Two fantastic lawyers achieve three listings in data security and privacy. 
The “outstanding” Daniel Cooper is internationally renowned as a leading name in the region for data security advice and compliance programmes. He counts Facebook, Microsoft and American Express among his impressive list of global multinational clients.
Mark Young is recognised for his strategic counsel and thorough approach to regulatory compliance matters.

Other Leading Individuals

We highlight individuals at other firms who also scored very highly in our research.

BIRD & BIRD’s Ruth Boardman stands out as a well-respected data protection practitioner. She “is very experienced” in cloud computing and location tracking and peers speak highly of her work in the space.  

Richard Kemp, founder of KEMP IT LAW, enjoys a terrific reputation among peers as “an excellent professional and one of the leading experts in the field”.

Vinod Bange is a leading lawyer at TAYLOR WESSING for privacy and security matters. He is highlighted for his strategic data management and compliance advice, as well as his strong experience in the financial services and technology sectors.

Sarah Pearce is a standout name at COOLEY and an esteemed expert in complex cross-border transactions in the technology sector. 

Rest of EMEA 

Thought Leaders
Data Privacy and Protection
1. Steven De Schrijver Astrea, Brussels
2. Jürg Schneider Walder Wyss, Zurich
3. Philip Nolan Mason Hayes & Curran, Dublin
4. Eija Warma Castrén & Snellman Attorneys, Helsinki
5. Clara-Ann Gordon Niederer Kraft & Frey, Zurich
Data Security
1. Steven De Schrijver Astrea, Brussels
2. Jürg Schneider Walder Wyss, Zurich
3. Ursula Widmer Dr Widmer & Partners, Attorneys-At-Law, Bern
4. Philip Nolan Mason Hayes & Curran, Dublin
5. Roland Mathys Schellenberg Wittmer, Zurich

Leading Firms

With eight listings, Swiss law firm WALDER WYSS boasts a strong position at the forefront of the European market.
The “highly recommended” Jürg Schneider is a pre-eminent figure in the market and draws high praise from sources who describe him as “a truly experienced data protection lawyer”.
Michael Isler is an esteemed practitioner who is “particularly knowledgeable with regard to outsourcing-related data security issues," according to peers.
Mark Reutter is “an excellent and very well-connected lawyer”, who is highlighted for his expert counsel to Swiss and international corporations across the technology and entertainment sectors.

Five outstanding attorneys from full-service firm SKW SCHWARZ RECHTSANWÄLTE achieve eight listings across these chapters.
Stefan Schicker is an esteemed practitioner who draws praise for his astute commercial mind and broad project experience.
Matthias Nordmann is a highly regarded lawyer in the data security market. He is highlighted for his strategic insights and expert handling of complex sector-related transactions.
Mathias Schwarz is a trusted adviser to major clients within the media sector. Peers speak highly of his expert handling of complex disputes.

With four lawyers achieving seven listings, NOERR’s data protection group boasts a superb reputation in Europe.
Peter Bräutigam “is a great name in data protection” and impresses peers with his digital expertise and intricate knowledge of cybersecurity.
Peers hold Thomas Thalhofer in high esteem for his superb knowledge of data protection law and adept handling of cross-border projects.
Daniel Rücker stands out in the international marketplace for his expertise in cross-border data transfer and regulatory compliance matters.  
Joachim Schrey also gains recognition for his top-tier work on both data privacy and data security matters.

In the Netherlands, KENNEDY VAN DER LAAN is a prominent player and gains six listings.
Hester de Vries is highly visible in the market and is referred to by commentators as “the best data privacy lawyer in the Netherlands”.   
The “great” Joost Linnemann is highlighted for his technical and commercial expertise as well as his vast knowledge of data privacy, protection and security.
Nicole Wolters Ruckert is a seasoned adviser on data privacy matters including big data analytics and anti-spam law. She frequently advises major corporations, who regard her as their “right hand” in complex cases.

Three practitioners from Swiss boutique IT and technology firm DE LA CRUZ BERANEK ATTORNEYS AT LAW achieve five listings in the space.
Carmen De la Cruz “has great experience in data protection, privacy and security” and is highlighted for her in extensive expertise across the telecoms and IT sectors.
Nicole Beranek Zanon is an “extremely quick” lawyer who impresses market commentators with her “expert data protection advice”.
Charlene Kramer is a widely recognised name in the market and enjoys a superb reputation for her well-established data security practice.

Research highlights three HOMBURGER practitioners, who together achieve five listings.
David Rosenthal is a leading authority on privacy and protection matters, with one market commentator describing him as “the top data protection practitioner in Switzerland”.
Georg Rauber leads the firm’s IT group and enjoys a stellar reputation among peers and clients alike as an incredibly impressive litigator in the space. 
Gregor Bühler is highly regarded for his sophisticated counsel when it comes to both data protection and security disputes. 

MASON HAYES & CURRAN dominates the Irish market, with four lawyers and five listings.
Philip Nolan “is an absolute star and a delight to deal with” in international cases according to peers, who also consider him “an excellent data protection lawyer”.
Wendy Hederman is a privacy and security specialist and stands out for her excellent level of client service.

With four listings, CASTRÉN & SNELLMAN ATTORNEYS boasts a standout presence in Finland.
Eija Warma is a “very effective” adviser and draws praise from peers and clients alike for her “deep knowledge, practical advice and customer-oriented approach”.
Pia Ek is “a first-rate lawyer and a great young partner”, according to peers, who commend her impressive expertise in data protection and digital technology law.
Stanislav Rumyantsev impresses clients with his “professionalism, through understanding of the business and the excellent ideas he brings to the table.”

In Italy, full service PORTOLANO CAVALLO STUDIO LEGALE achieves four listings by three outstanding practitioners.
Laura Liguori “is an outstanding lawyer, who is a delight to work with”, particularly when it comes to both data protection and security matters.
Oreste Pollicino boasts immense knowledge of internet law and is a highly regarded data expert in the Italian market.
Peers highlight Ernesto Apa for his tremendous regulatory knowledge and his expert counsel to Italian and international corporations.

Two practitioners from eminent Swiss business law firm SCHELLENBERG WITTMER are recognised with four listings altogether in this year’s research.
Roland Mathys impresses peers with “his vast practical and case experience and technical background, which makes him a great source for all data protection, privacy and security related matters”.
Samuel Klaus is a prominent figure for data protection work and enjoys a fantastic reputation for his outstanding compliance and project experience.

Swiss firm NIEDERER KRAFT & FREY achieves three listings by two practitioners.
Clara-Ann Gordon is widely endorsed as “an excellent data protection lawyer with a very strong international network”.
András  Gurovits is a data security expert who comes highly recommended for his sophisticated counsel on regulatory compliance and complex transactions.

ORSINGHER ORTU AVVOCATI ASSOCIATI boasts a strong technology practice and sees two individuals achieve listings.
Domenico Colella "is extremely devoted and highly recommended, especially for M&A transactions focused on personal data processing", say peers.
Fabrizio Sanna is highlighted for his expert counsel on privacy and e-commerce matters and is extensively experienced in handling data protection disputes.

This year’s research highlights D&P STUDIO LEGALE’s founding partners for their exceptional work in data protection.  
Daniela de Pasquale is “a fantastic data protection lawyer” who receives extensive praise for her deep legal knowledge and specialist expertise in the media sector.
The “excellent” Massimiliano Pappalardo is recognised for the sophisticated counsel that he delivers to clients on data protection regulation, as well as his strong expertise in information data transfer projects.

Other Leading Individuals


At DORDA RECHTSANWÄLTE Axel Anderl impresses clients with his “outstanding passion and drive”. Sources note, “He is always available, really committed and ready to go the extra mile for his clients. Axel combines high-qualified advice with vast experience and an unparalleled talent for thinking outside the box.”


ASTREA’s Steven De Schrijver is a market-leading figure for data protection and security matters. Peers note, “He is a great lawyer all over the field” and is “very knowledgeable” in data security.


Michael Hopp is an internationally renowned practitioner at PLESNER ADVOKATPARTNERSELSKAB. Peers refer to him as “the most-well known expert in Denmark” for data protection matters.


At FRANKLIN, Bradley Joslove is “a great lawyer” for data protection work and is a trusted adviser to both French and foreign corporations.

Claire Bernier is a go-to at ADSTO for complex litigation issues concerning data theft, cybersecurity and privacy invasion.


At HOFFMANN LIEBS FRITSCH & PARTNER, Peter Huppertz is a standout practitioner, widely endorsed as a leading expert in data protection matters.


COELHO RIBEIRO E ASSOCIADOS is home to Mónica Oliveira Costa. She is highly visible at the forefront of the Portuguese market and draws praise for her long-standing expertise in privacy and protection.


For data privacy and protection matters, clients endorse NNDKP’s Roxana Ionescu as “incredibly adaptable to the many business demands of clients” and note she is “flexible with the proposed solutions to meet those demands”.


Ursula Widmer, founding partner of DR WIDMER & PARTNERS, ATTORNEYS-AT-LAW, is a highly respected data practitioner, recognised for her intricate knowledge of internet law, information security and protection.


Ceylin Beyli, CBL LAW OFFICE’s founding partner, is a leading data lawyer in Turkey. As an esteemed expert in IT law, she enjoys a phenomenal reputation for her work in data security.

North America

Thought Leaders
Data Privacy and Protection
1. Françoise Gilbert Greenberg Traurig LLP, Silicon Valley
2. Dov Scherzer Polsinelli PC, New York
3. Ian Ballon Greenberg Traurig LLP, Silicon Valley
4. Mark Hayes Hayes eLaw LLP, Toronto
5. David Fraser McInnes Cooper, Halifax
Data Security
1. Dov Scherzer Polsinelli PC, New York
2. Françoise Gilbert Greenberg Traurig LLP, Silicon Valley
3. Lisa Lifshitz Torkin Manes LLP, Toronto
4. Charles Morgan McCarthy Tétrault LLP, Montreal
5. Edward McNicholas Sidley Austin LLP, Washington DC

Leading Firms

GREENBERG TRAURIG leads the research in the US with six listings by three practitioners.
Françoise Gilbert is a dominant figure in the US market for privacy and security work including big data, cloud computing and artificial intelligence. She has a global practice and comes highly regarded for her exceptional work in the space.
Ian Ballon is a respected litigator who receives international endorsements for his expert handling of security and privacy disputes, as well as his strong defence practice.
Alan Sutin enjoys a superb reputation for his work in privacy, protection and security. He impresses market commentators with his transactional expertise and strong compliance practice.

In Canada, MCCARTHY TÉTRAULT boasts a strong technology practice. With five listings achieved by three lawyers, the firm is a prominent player for data protection and security work.    
Barry Sookman is a leading figure in the market and esteemed expert in data protection and anti-spam. Peers commend his sophisticated regulatory advice in large-scale transactions and compliance matters.
Charles Morgan draws wide praise as “an excellent lawyer” for complex transactional work and data protection and security matters. “He is great to work with and is very good with clients,” say peers.
George Takach is known for his pragmatic approach to data privacy compliance, data breach and e-commerce transactions.

Two practitioners from full service LOCKE LORD are recognised here.
Thomas Smedinghoff is an esteemed data privacy lawyer with outstanding expertise in electronic transactions, signatures and identity management.
Rory Radding is a highly regarded litigator with an impeccable knowledge of data privacy and security law.

Dov Scherzer of POLSINELLI is a seasoned privacy adviser and regularly advises major clients, including Fortune 500 corporations, on high-stakes transactions.

DEETH WILLIAMS WALL boasts a strong technology practice and is home to two well-regarded lawyers.
Amy-Lynne Williams is a well-established expert in privacy law and is highly commended by peers and clients alike for her broad transactional expertise.
Richard Austin is extremely knowledgeable on data security matters and is highly regarded as “an excellent lawyer, particularly in anti-spam practice”.

Other leading individuals


Mark Hayes of TMT boutique HAYES ELAW is “an excellent lawyer”, according to peers. “He is great to work with” when it comes to complex regulatory disputes and internet privacy matters.

Data protection specialist David Fraser is a “very prominent and established player” at MCINNES COOPER. He is a highly regarded privacy lawyer and a trusted adviser to a range of Canadian and international clients including Fortune 100 companies.

Lisa Lifshitz is a leading light at TORKIN MANES and stands out as “a well-recognised name” for sophisticated privacy compliance and due diligence.

FASKEN MARTINEAU DUMOULIN’s John Beardwood is a revered practitioner who wins high praise from market commentators for his world-class compliance practice. 


VENABLE’s Emilio Cividanes is highly regarded for his impeccable knowledge of data protection laws. “He is great on privacy issues”, say peers. 

At PETER BROWN & ASSOCIATES, Peter Brown stands out as a top name in the US market, recommended for his expert counsel in complex technology transactions. 

William Tanenbaum at ARENT FOX is highlighted for his formidable expertise in cybersecurity and data licencing and is considered one of the leading names in the domestic market.  

Rest of the World

Thought Leaders
Data Privacy and Protection
1. Philip Catania Corrs Chamber Westgarth, Melbourne
2. Diego Fernández Marval O’Farrell & Mairal, Buenos Aires
3. Probir Roy Chowdhury J Sagar Associates, Bangalore
Data Security
1. Philip Catania Corrs Chamber Westgarth. Melbourne
2. Probir Roy Chowdhury J Sagar Associates, Bangalore


Diego Fernández at MARVAL O’FARRELL & MAIRAL is “a star” in the Argentinian market, commended by international peers for his fantastic work on data protection and privacy matters.

ALLENDE & BREA’s Pablo Palazzi impresses market sources with his “good advice and practical view of the law". Clients describe him as “the go-to person for data protection matters, not only in Argentina, but in the region”.

Florencia Rosati is a standout practitioner at ESTUDIO BECCAR VARELA, and is highlighted for her sophisticated counsel and prowess as a litigator.


Philip Catania of CORRS CHAMBERS WESTGARTH is recognised as a Thought Leader in both our Data Privacy & Protection and Data Security chapters. He draws widespread praise for the quality of his practice as well as his "very commercial and pragmatic approach".


Probir Roy Chowdhury of J SAGAR ASSOCIATES is a leading name for regulatory and transactional advice in the data protection space. He stands out as the foremost practitioners in the country for both data protection and security matters.

JAYARAM & JAYARAM’s Malavika Jayaram is highly visible in the market and is known for her exceptional expertise in data policy and e-commerce law.

Hong Kong

At MAYER BROWN, Gabriela Kennedy stands out as “a very impressive lawyer” in the region, and is highlighted for her strong expertise in compliance and cross-border data transfers.


Bryan Tan of PINSENT MASONS MPILLAY frequently advises major corporations on data protection matters and earns worldwide endorsements for his first-class work in the space.

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Nominees have been selected based upon comprehensive, independent survey work with both general counsel and private practice lawyers worldwide. Only specialists who have met independent international research criteria are listed.

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