Masa Yamaguchi

Marc A. Johnston is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law, Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Marc A., who practices law in Portland, Oregon, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marc A. is held by other top lawyers in the same geographic and legal practice area.

Trish A. Walsh is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Trish A., who practices law in Portland, Oregon, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Trish A. is held by other top lawyers in the same geographic and legal practice area.

Chris Hall is a partner in the Portland office of Perkins Coie LLP. He focuses his practice on serving clients in such areas as corporate finance and acquisitions and dispositions. Chris manages complex transactions having strategic importance to a company's future. He has extensive experience with transaction structuring, and has completed a number of acquisitions and dispositions, leveraged buyouts, recapitalizations and reorganizations, as well as a wide range of public and private capital...

Amber Bevacqua-Lynott is Senior Counsel in the Firm’s Portland and San Diego offices, and a member of the Firm’s Professional Responsibility and Litigation Practice Groups. Ms. Bevacqua-Lynott provides guidance and legal representation to attorneys, licensed professionals, and other business clients, including firms and in-house legal departments. Her practice centers on legal ethics, risk management, and discipline defense. She acts as outside counsel to clients in a variety of i...

Teresa Foster is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Teresa, who practices law in Vancouver, Washington, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Teresa is held by other top lawyers in the same geographic and legal practice area.

John Gilroy is a founding partner at Gilroy Napoli Short, LLC, located in Portland, Oregon. Before starting the firm, he gained substantial experience as a Deputy District Attorney in the Washington County District Attorney’s Office, known for being one of Oregon's largest prosecutor’s offices. There, John prosecuted an array of criminal cases ranging from misdemeanors to serious felonies. This role afforded him extensive insight into the criminal justice system, which he leverage...

Robert R. Calo is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Robert R., who practices law in Lake Oswego, Oregon, has been recognized since 2011. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert R. is held by other top lawyers in the same geographic and legal practice area.

Jason M. Ayres is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law, Litigation - Banking and Finance and Litigation - Bankruptcy. Jason M., who practices law in Portland, Oregon, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jason M. is held by other top lawyers in the same geographic and legal practice area.

Mark P. Trinchero is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative / Regulatory Law, Communications Law and Utilities Law. Mark P., who practices law in Portland, Oregon, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark P. is held by other top lawyers in the same geographic and legal practice area.

Derek D. Green is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Derek D., who practices law in Portland, Oregon, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Derek D. is held by other top lawyers in the same geographic and legal practice area.