A&O Shearman has added leading financial services regulatory (FSR) lawyer Hannah Cassidy as a partner in Hong Kong to lead the firm’s FSR efforts. Cassidy has substantial experience advising financial institutions, investment managers, fintech firms, listed companies and their senior individuals on complex advisory and regulatory matters, including senior management accountability, payments, cybersecurity, market abuse, anti-money laundering, fraud and scams, client assets, and complex licensing issues. Her expertise spans complex cross-border matters across Asia and other key global financial markets. Cassidy joins from Herbert Smith Freehills Kramer, where she led their financial services regulatory practice in...

Chandler Mori Hamada has welcomed the return of Siregran Sakuliampaiboon as a partner in its Corporate and M&A practice, effective May 5, 2026. Her appointment reflects the firm’s continuing commitment to the development of its people, and the strengthening of its corporate and cross-border M&A capabilities. Sakuliampaiboon returns with extensive experience in complex corporate and M&A transactions gained at leading Thai and international law firms. She is recognised for her expertise in cross-border investments, corporate structuring and foreign investment, and has advised clients across a range of sectors, including food and beverage, education, energy, healthcare, manufacturing, and media and entertainment. Admitted to practise in Thailand, Sakuliampaiboon holds master’s degrees from the University of Cambridge and the London School of Economics and Political...

RPC has added Sumyutha Sivamani as a partner in its Singapore office – where it operates joint law venture RPC Premier Law – further strengthening its insurance capability across the region and accelerating the expansion of its cyber and data practice. Sivamani joins from Clyde & Co, bringing over 14 years’ experience in insurance, with a particular focus on complex cyber risk, incident response and data privacy matters. She has advised insurers, reinsurers and multinational clients across Asia on high-value, multi-jurisdictional cyber incidents, coverage disputes and regulatory investigations. Beyond her core cyber practice, she has deep experience across financial lines and property & casualty insurance, advising on coverage, regulatory and defence matters, and will bolster RPC’s broader Singapore insurance capabilities. Sivamani will play a key role in expanding the firm’s cyber insurance offering and enhancing the firm’s data privacy and cybersecurity advisory capabilities in Singapore and across Asia, while also supporting the continued growth of its wider insurance...

CMS INDUSLAW has added Faraz Alam Sagar as an equity partner and head of the Dispute Resolution & White-Collar Crimes in its Mumbai Office. Sagar will be leading the firm’s practice in cross-border litigation, regulatory investigations, white-collar crime, corporate and forensic investigations, and international sanctions and sanctions advisory. He has spent over two decades navigating complex, multi-jurisdictional matters, advising and representing clients across jurisdictions. He has advised governments, multinational corporations and high-net-worth individuals across a range of contentious and non-contentious mandates, with particular focus on cross-border disputes, trade remedies, sanctions and regulatory enforcement. His practice is recognised for its sustained record of handling matters that engage both Indian law and international legal frameworks — often simultaneously and at significant scale. Prior to joining the firm, Sagar was co-head and partner at Cyril Amarchand Mangaldas, and he also worked with leading international firms, including Freshfields Bruckhaus Deringer and PricewaterhouseCoopers. He is a Permanent Member of the Bombay Bar...

A&O Shearman has added Rintaro Hirano, who will join the firm as a Japanese-qualified (bengoshi) debt finance partner in the Tokyo office at the end of April, strengthening the firm’s Japanese-law debt finance, leveraged finance and private credit capability. Hirano brings wide-ranging debt finance experience, including in leveraged finance, energy and infrastructure financing and real estate financing. He also regularly acts for lenders supporting global private equity sponsors, as well as major energy and infrastructure clients across the globe. Hirano joins from Nagashima, Ohno & Tsunematsu, one of Japan’s Big Four law firms, where he is currently a partner and a senior member of the finance...