People

Maya Dudley Managing Associate

New York

James Duff Of Counsel

Los Angeles

Beginning in 2006, James has advised clients on a variety of asset-backed securities, including residential mortgage-backed securities (RMBS), commercial mortgage-backed securities (CMBS), re-securitizations of RMBS and collateralized debt obligations, and charter school receivable-backed securities. He has also represented municipal and state agencies for municipal bond transactions.

During the financial crisis, James advised clients on mortgage loan modifications, and advised municipal and state agencies on interest rate mode changes and bond refinancings.

Recently, James has worked on a number of RMBS and CMBS transactions.  

James is an avid triathlete and winner of a number triathlons, including the 2016 North Carolina Ironman.

Deena O. Dulgerian Senior Associate

Los Angeles

Deena works on matters for a diverse range of clients, from international tech and utility construction companies, and pharmaceutical companies to the National Collegiate Athletic Association. From day one, she was an integral member of the winning trial team for the first collegiate football concussion and Chronic Traumatic Encephalopathy case to reach a jury trial for the NCAA, as well as managing the discovery process for several other of the NCAA’s football concussion cases. She is also active in multi-language international arbitration matters, working with clients and experts across the globe.

Recently, Deena has represented a number of technology companies, working on matters involving cryptocurrency investments and international service issues, the Computer Fraud and Abuse Act and other copyright and data access issues, and disputes related to disgruntled employees and stock options.

Deena has consistently maintained an active pro bono case load, having secured asylum for six individuals in the last three years. She currently represents an inmate through the the United States District Court for the Central District of California’s Pro Bono Civil Rights Panel and represented a tenant in an eviction action alongside Public Counsel.

Deena is a respected leader at Orrick. Since joining the firm, she has served as Co-Chair of the Middle Eastern and North African inclusion network and Co-Chair of the Los Angeles Office’s Diversity, Equity and Inclusion Committee for several years, currently sits on the firmwide Diversity, Equity and Inclusion Committee, and was a featured speaker for Kōrero, Orrick’s Women’s Initiative’s monthly firmwide community conversations. In 2022, Deena received the firm’s Community Responsibility Award for her humanitarian work with the Armenian Bar Association in connection with the war by Azerbaijan against Nagorno-Karabagh.

Deena is an active member of the Armenian community, serving as Co-Vice Chair of the Armenian Woman’s Bar Association. While in law school, Deena was the Co-Founder and President of the Armenian Law Students Association. She was also a member of Georgetown’s Barrister’s Council’s Alternate Dispute Resolution division, winning Georgetown’s Bellamy Negotiation Competition and securing an honorable mention for Georgetown’s brief at the Willem C. Vis International Commercial Arbitration Moot in Hong Kong, a student attorney with Georgetown's Juvenile Justice Clinic, the Executive Editor for the Georgetown Journal on Poverty Law and Policy, and wrote for the Georgetown Law Technology Review.

Nathan Dullum Claims Counsel

San Francisco

Nathan represents and advises the firm on all issues regarding claims and is responsible for managing the firm’s complex litigation strategies. He retains and supervises outside defense counsel, coordinates coverage and related issues with the firm’s insurance carriers, and ensures the effective and efficient defense of claims against the firm. Nathan is also a member of Orrick’s Risk Management Committee, responsible for promoting risk awareness and prevention through risk management training, internal firm publications, and risk management audits.

Prior to taking on his current role, Nathan was a member of Orrick's Complex Litigation and Dispute Resolution group. With over two decades of litigation and trial experience, Nathan has practiced before state and federal courts and has arbitrated matters before The Financial Industry Regulatory Authority and the International Center for Dispute Resolution.

Nathan joined Orrick as a summer associate in 2001. In 2007, he took a brief leave of absence to work as a prosecutor in the San Francisco County District Attorney’s Office.

Sarah Duncan Associate

Washington, D.C.

Sarah’s practice focuses on representing corporations and individuals in a variety of industries in complex business litigation and disputes. Sarah represents financial institutions, technology corporations, and other entities in a wide range of civil disputes.

Sarah has experience representing corporations in all stages of litigation, including pre-suit demands, motions to dismiss, fact and expert discovery and depositions, trial preparation, and trial.

Daniel Dunne Senior Counsel

Seattle

Chambers USA observed Dan’s “enviable client roster includes major corporates and financial institutions, as well as company directors, officers and accountants. He is particularly active in securities-related litigation, with additional experience in shareholder disputes. Adept in the courtroom, has tried more than a dozen cases to verdict in state and federal courts.” One client characterized his cross examination of a Nobel-Laureate economist as simply “amazing.”

Dan has enjoyed considerable success in high-profile national matters with the finest law firms in the country from coast to coast, from the Delaware Court of Chancery to New York Supreme Court to the Washington Supreme Court, where he recently argued an issue of first impression under the Washington State Securities Act. Dan has active matters advising Washington’s most sophisticated legal clients with respect to securities and shareholder matters.

Dan has also been a key part of the winning Orrick team leading the defense of Credit Suisse in against an avalanche of litigation related to claims involving residential mortgage-backed securities (RMBS). Dan has acted as co-lead partner on a number of successful constitutional challenges to state and local taxes and legislation.

Leila Dwyer Associate

New York

She has served as bond counsel, underwriter’s counsel and borrower’s counsel for financings on behalf of school districts, municipalities, colleges and universities and housing projects.

Prior to joining Orrick, Leila practiced in a Chambers recognized public finance group at another firm.

Edward Dyson Partner

London

He regularly advises on IPOs, direct listings and follow-ons on UK, US and European stock exchanges, domestic and cross-border M&A deals, de-SPACs and reverse takeovers, venture capital, private and growth equity investments, debt financings, joint ventures, carve-outs, and restructurings, as well as on governance, disclosure, compliance and strategic advisory matters.

His broad industry experience includes working with clients in the technology, healthcare and life sciences, logistics, retail, media, marketing, financial services, energy and natural resources sectors.

He was recently recognised in The Lawyer's Hot 100 2023, by Financial News as a Rising Star of Legal Services in Europe 2023 and Financial Times at its European Innovative Lawyer Awards 2023.