Martin E. Hsia

Arsima A. Muller is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative / Regulatory Law, Admiralty and Maritime Law, Corporate Law, Environmental Law and Litigation - Environmental. Arsima A., who practices law in Honolulu, Hawaii, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Arsima A. is held by other top lawyers in the same geographic and legal practice area.

Nicholas J. Lezak is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Nicholas J., who practices law in Honolulu, Hawaii, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nicholas J. is held by other top lawyers in the same geographic and legal practice area.

Michael R. Marsh is a director and shareholder of the firm. He concentrates his practice in dispute resolution and litigation primarily involving construction, development and real estate matters, subrogation and construction bond matters, employment law and trademark and copyright infringement. In construction litigation, he represents a variety of developers, design professionals, general contractors and suppliers. He has represented developers and major land owners in connection with const...

Gregory M. Hansen, Of Counsel, concentrates his practice in the areas of employee benefits; stock option, stock purchase and equity incentive plans; general corporate and business law; and state and federal income tax controversy matters, with an emphasis on employee stock ownership plans (ESOP) and custom designed retirement arrangements. While an attorney with the U.S. Treasury Department, Mr. Hansen tried U.S. civil tax cases and helped prepare criminal fraud tax cases for review by the U....

Listed in The Best Lawyers in America and Super Lawyers, Diane’s practice focuses on complex litigation and dispute resolution. Prior to joining the firm in 1978, she was an extern to the Honorable Herbert Choy, Circuit Judge, Ninth Circuit Court of Appeals. Diane is involved in a number of professional and community activities, servicing on the Disciplinary Board of the Hawaii Supreme Court, as a national director of Easter Seals, Inc., as well as a director of Easter Seals Hawaii and ...

Dean T. Yamamoto is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative / Regulatory Law, Energy Law, Energy Regulatory Law and Real Estate Law. Dean T., who practices law in Honolulu, Hawaii, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Dean T. is held by other top lawyers in the same geographic and legal practice area.

Matthew C. Shannon is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Litigation - Construction and Litigation - Real Estate. Matthew C., who practices law in Honolulu, Hawaii, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matthew C. is held by other top lawyers in the same geographic and legal practice area.

Mr. Colombe has practiced exclusively in the area of commercial and real estate litigation, representing both plaintiffs and defendants since 1984 and practices in both state and federal courts.

Tred once again was selected by his peers for inclusion in the 2025 Edition of The Best Lawyers in America® for his work in Commercial Litigation, Insurance Law and Litigation-Insurance. He was also named Best Lawyers® 2022 Litigation Insurance “Lawyer of the Year” in Honolulu. A designation given to a single attorney in each practice group by metropolitan area. Receiving this designation reflects the high level of respect a lawyer has earned among their peers for their ab...

Robert Katz, Director, has been practicing law in Hawaii for over 40 years. During that time he has counseled and represented Hawaii, Mainland and International based clients in both the private and public sectors in antitrust, business, employment and labor and health care transactions and litigation. Mr. Katz has appeared successfully before Hawaii and federal administrative agencies, arbitrators and Hawaii and federal courts. He has also represented both public and private Hawaii, mainland...