About

Yoshimi Koshiishi is a Tokyo-based attorney with Simpson Thacher & Bartlett LLP’s Tokyo Office, where she practices in the firm’s General Practice group. She brings a thoughtful, client-focused approach to her work, supporting individuals and businesses with practical legal guidance tailored to their needs. With a professional commitment to clarity, responsiveness, and precision, Ms. Koshiishi helps clients navigate a wide range of legal matters with confidence and care. As an attorney admitted to the bar under Bar Number 4191664, Ms. Koshiishi is part of a globally recognized law firm known for its sophisticated legal services and cross-border capabilities. Based in Tokyo, she is well positioned to assist clients operating in Japan and across international markets, particularly where legal issues require careful analysis and attention to detail. Her general practice background reflects versatility and a broad understanding of legal concerns that may arise in both corporate and individual matters. Ms. Koshiishi is dedicated to delivering sound legal support with professionalism and discretion. She understands that every client’s situation is unique, and she works to provide practical solutions that align with their goals. Through a measured and strategic approach, she helps clients address legal challenges efficiently while maintaining the highest standards of service.

Credentials

Related Legal Services

Other General Practice Attorneys in Tokyo, NY