Mitchell Diesko

Per Olson practices exclusively criminal defense in state and federal court. He takes on a wide variety of cases from misdemeanors to major felonies, including DUII, fraud and theft, violent crimes, sex crimes, white collar crimes, drug crimes, and other interstate and transnational crimes. Per has obtained multiple acquittals for his clients in state and federal court. Per graduated magna cum laude from Willamette University in Salem, and then attended Lewis & Clark Law School in Portlan...

Robert B. Lowry is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law and Litigation - Environmental. Robert B., 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 Robert B. is held by other top lawyers in the same geographic and legal practice area.

Laura Maffei brings her experience as a geologist to her practice in environmental and natural resources law. She has extensive experience in Clean Water Act regulation in both Oregon and Washington where she assists clients with negotiating permit conditions and complying with permits. Ms. Maffei has litigated a number of Clean Water Act cases in both state and federal court, including defending against citizen suits and challenges to state-wide Clean Water Act regulations. Ms. Maffei provid...

Joe Franco is a trial attorney who specializes in complex commercial litigation and has substantial experience in cases involving breach of contract, unlawful trade practices, securities fraud, protection of trade secrets, breach of fiduciary duty, fraud, legal malpractice and insurance coverage. Joe strives to favorably resolve cases for his clients in an efficient and economical manner, which will often result in settlement prior to trial. But if a case must go to trial in order to achieve ...

Marisol R. McAllister is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Marisol R., who practices law in Portland, Oregon, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marisol R. is held by other top lawyers in the same geographic and legal practice area.

Jason Short is a highly experienced trial lawyer at Gilroy Napoli Short, providing comprehensive legal representation to clients in Portland, Oregon and throughout the state. Jason's practice areas encompass Criminal Defense with a focus on General Practice and DUI/DWI Defense. With a strong background as a Deputy District Attorney in Oregon for nearly 8 years, Jason brings extensive courtroom experience, having handled over 6,000 cases and tried more than 160 cases before juries and judges. ...

Susan D. Pitchford is a top attorney recognized by Best Lawyers in the practice area(s) of Advertising Law, Copyright Law, Litigation - Patent, Patent Law and Trademark Law. Susan D., who practices law in Portland, Oregon, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Susan D. is held by other top lawyers in the same geographic and legal practice area.

Douglas Oh-Keith is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Plaintiffs and Personal Injury Litigation - Plaintiffs. Douglas, who practices law in Lake Oswego, Oregon, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Douglas is held by other top lawyers in the same geographic and legal practice area.

Melissa E. Chapman is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Melissa E., 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 Melissa E. is held by other top lawyers in the same geographic and legal practice area.

John Thomas is a partner in the firm's Business practice. He counsels clients in the areas of public offerings, mergers and acquisitions, private placements, restructurings and spinoffs, securities compliance and corporate governance.