Kieran O'Brien
About Kieran O'Brien
Kieran O'Brien is a lawyer based in London, GB and has been recognized in Best Lawyers: Ones to Watch in the United Kingdom™ since 2024. Kieran O'Brien is recognized in the following practice area:
- London, United Kingdom
- Capital Markets Law
Current Firm: CMS
Location: London, GB
It takes just a few minutes to optimize your profile for prospective clients and lawyers ready to refer.
Log in to your account or continue as a guest to view annual subscription pricing.
Nearby Lawyers
Ingrid Gubbay is a lawyer recognized by Best Lawyers in the practice area of Environmental Law. Ingrid practices law in London, United Kingdom Best Lawyers has recognized Ingrid Gubbay since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Ingrid Gubbay is held by other lawyers.
Prior to joining Skadden, Mr. Gal led the strategic development of the Middle Eastern litigation practice of another major U.S. law firm. Over the course of the last 20 years, he has represented some of the world’s leading companies in sectors such as telecommunications, banking and finance, infrastructure, energy, construction and technology under a variety of different rules including ICC, ICSID, LCIA, UNCITRAL, AAA and ad hoc arbitrations. He served, until recently, as one of Austral...
Aymen Mahmoud is the co-head of the London Finance, Restructuring and Special Situations Group. He focuses his practice on complex debt financing transactions for private equity funds and their portfolio companies, hedge funds, corporate borrowers and issuers and other financial institutions including banks, direct lenders, family offices and other alternative sophisticated capital. His experience includes acting in respect of direct lending, leveraged buyouts, domestic and cross-border syndi...
Mr. Anderson is highly experienced in private capital arrangements, with a particular focus on the establishment and ongoing operations of asset management structures; portfolio investments in liquid markets, infrastructure, real estate and technology; and compensation for fund principals.
Graham Iversen focuses his practice on corporate tax matters, including mergers and acquisitions, private equity transactions, joint ventures, partnerships, corporate restructurings, debt and equity finance, derivatives, structured investments, real estate and tax disputes. Graham joined the firm from Slaughter and May in London, where he was a partner in the firm’s London office in their tax department for more than 14 years. He has been a corporate tax attorney for more than 22 years,...
Steven Finizio's practice focuses on international dispute resolution. Mr. Finizio also serves as an arbitrator. He has particular experience with energy, financial services, shareholder, joint venture and M&A, and manufacturing issues. He has advised clients regarding disputes under the rules of most of the well-recognized international arbitration institutions and governed by the laws of jurisdictions in Europe, Asia, Africa and the US, as well as under bilateral and regional investment...
Graham Defries is a lawyer recognized by Best Lawyers in the practice area of Life Sciences Law. Graham practices law in London, United Kingdom Best Lawyers has recognized Graham Defries since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Graham Defries is held by other lawyers.
Andrew Hine is a lawyer recognized by Best Lawyers in the practice area of Trusts and Personal Tax Law. Andrew practices law in London, United Kingdom Best Lawyers has recognized Andrew Hine since 2009. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Andrew Hine is held by other lawyers.
Peter Newman is a lawyer recognized by Best Lawyers in the practice area of Insolvency and Restructuring Law. Peter practices law in London, United Kingdom Best Lawyers has recognized Peter Newman since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Peter Newman is held by other lawyers.
Mr. Youle is recognised as a leading individual in The Legal 500 UK and a Market Leader in IFLR1000. Additionally, he is ranked in Tier 1 in Chambers UK, which quotes clients describing him as “incredibly responsive, very professional but also personal. He feels like an extension of our team and has excellent subject knowledge at all times.” He also was named Lawyer of the Year - London Private Equity Law by Best Lawyers in the UK 2022, in addition to being named as a 2018 Private...
Explore and Learn
What AI Visibility Means for Lawyers
by Josh Rupall and Bryan Driscoll
AI tools increasingly interpret lawyers public information. Clear, consistent and credible sources help ensure they describe legal expertise accurately.
The Best Lawyers in Canada 2027: Recognizing the Nation's Top Legal Talent
by Jamilla Tabbara
Honoring established leaders and rising practitioners across Canada's legal profession.
2027 Best Lawyers Awards: Honoring Excellence in the Legal Profession
by Jamilla Tabbara
Recognizing the outstanding attorneys leading top practice areas nationwide.
Musk v. Altman: The Lawyers Behind the Case
by Jamilla Tabbara
Meet the Trial Lawyers Shaping One of AI's Biggest Legal Disputes.
Announcing the 2027 Best Lawyers Awards: Austria, Germany and Switzerland
by Jamilla Tabbara
Celebrating the legal professionals throughout Central Europe.
The Legal Teams Behind the Blake Lively–Justin Baldoni Settlement
by Grace Greer
A closer look at the legal teams and attorneys involved in the Blake Lively–Justin Baldoni litigation and its resolution.
The Best Lawyers in France 2027: Peer-Reviewed Excellence
by Jamilla Tabbara
Seventeen editions of peer trust, a growing profession and a dynamic legal market.
Rules on Gifting Money to Family: What to Know
by Bryan Driscoll
Generosity often runs ahead of paperwork. Here's how to give to loved ones without surprising the IRS, your estate plan or your relationships.
Who Can Override a Power of Attorney?
by Bryan Driscoll
A power of attorney carries real legal authority, but it isn't absolute. Here's who can step in to revoke, restrict or set it aside.