Our partners have all come from London-based large international law firms. They are supported by a team of associates, trainees and paralegals of the highest calibre.

You can find out more about our partners under their respective profiles below.

Katherine Gray

Katherine Gray Managing Associate

Katherine is a solicitor advocate and managing associate at Humphries Kerstetter. She has a broad range of dispute resolution experience with an emphasis on competition litigation, regulatory investigations, commercial contracts and professional negligence. She has expertise in all methods of commercial dispute resolution including litigation, arbitration and mediation.

Katherine has significant experience on managing group third party funded claims. She acts for both claimants and defendants and has acted for numerous individuals in connection with contentious regulatory issues and at depositions in connection with international litigation.

Her current matters include co-ordinating and representing over four hundred claimants in the high-profile interchange claims against Visa and Mastercard worth over £400 million, an international arbitration involving various breaches of contract and representing an individual in relation to an application for a deposition involving ongoing US litigation.

Ibukun Alabi

Ibukun Alabi Managing Associate

Ibukun is a solicitor advocate and managing associate at Humphries Kerstetter. She has a broad commercial practice and particular experience of professional negligence claims, shareholder disputes and various other types of tortious, contractual and complex commercial disputes. Matters on which Ibukun has acted vary greatly and include group litigation cases, claims funded by third party litigation funders and claims listed in The Lawyer’s top 20 cases of the years 2014 and 2016. She also has arbitration experience, which includes acting for an investment banker in a dispute against a large multinational investment bank and financial services company under the IAA rules. Ibukun is also a member of the New York Bar. She speaks English and Yoruba.

Clients’ commendation of Ibukun include reference to her “meticulous care and attention” in achieving “the best possible outcome” for the client.

Adam Polonsky

Adam Polonsky Managing Associate

Adam is a solicitor advocate and managing associate at Humphries Kerstetter with a broad commercial and insolvency practice. He is also experienced in international arbitration, having successfully acted for a European steel management business in an action against the Serbian state. Prior to joining the firm in 2016 he trained and qualified with a leading city firm. He has spent time away from private practice in in-house commercial and legal roles. Current matters include a professional negligence claim, involving allegations of breach of statutory and fiduciary duties, against former insolvency practitioners of a landmark London riverside tower development and a billion-dollar dispute centred around the sale of a metals and commodities business in the Donbass region of Ukraine.

Rachael Cederwall

Rachael Cederwall Managing Associate

Rachael is a managing associate who is qualified as a barrister and solicitor of the High Court of New Zealand.  Prior to joining Humphries Kerstetter in December 2016, she worked at a leading New Zealand law firm where she regularly appeared as counsel in the Auckland High Court and as junior counsel, including before the New Zealand Court of Appeal. Rachael specialises in complex commercial and corporate dispute resolution and acts for and advises a range of domestic and international clients on high-value contentious matters. Current matters include advising on a shareholder dispute between three Ukrainian businessmen involving claims amounting to over US$1 billion and acting for a multinational investment bank.

Erika Saluzzo

Erika Saluzzo Associate

Erika is a solicitor advocate and associate who specialises in complex commercial litigation and international arbitration. She joined Humphries Kerstetter in May 2016, having trained and qualified at an international law firm and having undertaken multiple secondments to the in-house litigation team of a bank. At Humphries Kerstetter, Erika has successfully acted for a management consultancy firm in an LCIA arbitration against a sovereign state and for Tesco in its interchange claim against Visa. Her current matters include an LCIA arbitration for breach of contract over the calculation of advisory fees, a high-profile dispute between oligarchs in the Commercial Court and an intellectual property dispute for copyright and trademark infringement. She is experienced in dealing with letters of requests under the Evidence (Proceedings in Other Jurisdictions) Act 1975. Erika speaks English, Italian, Spanish and conversational French.

Catherine Wei

Catherine Wei Associate

Catherine is an associate at Humphries Kerstetter, admitted as a barrister and solicitor of the High Court of New Zealand. Prior to joining the firm in 2017, she worked in a well-respected boutique commercial law and litigation firm in Auckland, New Zealand, frequently appearing in the District and High Courts as counsel and junior counsel, as well as assisting with applications in the Court of Appeal and Supreme Court. Catherine has also spent time as a management consultant at one of the ‘big four’ dealing predominantly with government agencies. She has a broad commercial practice, with particular expertise in contractual disputes, professional negligence and insolvency proceedings. Current matters include a high-profile multimillion-pound claim against the former administrators of a company relating to the sale of a development site at an alleged undervalue. Catherine graduated from the University of Auckland with a Law and Arts conjoint, double majoring in French and Italian. She also speaks Shanghai dialect and Mandarin.

Dilan Ozdemir

Dilan Ozdemir Associate

Dilan is an Australian-qualified solicitor at Humphries Kerstetter. Prior to joining the firm in 2017, she completed undergraduate degrees in Law and History & Politics and a Master’s in International Relations at the University of Melbourne. Since joining the firm, Dilan has acted for both individual and corporate clients in complex, multi-jurisdictional and multiparty disputes which involved issues of fraudulent activity and international contractual disputes. She has had consistent exposure to high profile and large-scale international dispute resolution; her current cases include a £400m claim against Visa and Mastercard and a high value group claim against a fraudulent scheme provider. Dilan speaks English and fluent Turkish.

Andrea Smith

Andrea Smith Associate

Andrea is a solicitor advocate and associate at Humphries Kerstetter, having qualified with the firm in 2018. She has acted on complex high-value commercial disputes against RBS and NatWest, group-funded investor disputes, supported a team acting for UK high street and online retailers in high-value interchange fees claims against Visa and MasterCard and various other matters in contract and tort. Andrea also has experience with dealing with all levels of the court system, including applying for permission to appeal to the Supreme Court in a multimillion-pound professional negligence claim and in applications and appeals before the Court of Appeal. Her current matters include a professional negligence action against a firm of solicitors, interchange litigation against Visa and Mastercard and acting for a multi-market middle eastern telecommunications company in a contractual dispute.

Ben Cook

Ben Cook Paralegal

Ben has been a paralegal at Humphries Kerstetter since 2017. Before joining the firm, he undertook vacation schemes at two large city practices having completed an Ancient History degree at the University of Bristol and the Graduate Diploma in Law at BPP law school.