Tokyo
He also has extensive experience in fund formation, real estate and various types of finance transactions.
Hiroki has a deep understanding of clients’ needs from his secondment experience with a U.S. investment bank in 2005 and a Japanese major trading house from 2012 to 2014.
Prior to joining Orrick, Hiroki worked at O’Melveny’s Tokyo office as a counsel where he mainly worked on cross border M&A.
New York
Damon focuses his practice on state and locally based legislative and regulatory issues. He has experience inside of government, having served as Assistant Counsel to the New York Senate Majority. Subsequent to his time in the Senate, he served as a Vice President for the Parkside Group, a New York lobbying firm. He eventually transitioned to an in-house corporate position as Vice President for State Government Affairs for DIRECTV, with a national purview overseeing all aspects of state and local legislative matters for the company. Immediately prior to joining Orrick, he served as Vice President of Government Affairs and State Advocacy Coordinator at AT&T, maintaining national responsibility for satellite-related issues.
New York
David advises private equity funds, their portfolio companies and a broad range of public and private technology, energy and life sciences companies in domestic and cross-border M&A, minority and majority investments, joint ventures and other complex transactions.
Washington, D.C.
Washington, D.C.
Before joining the firm, Zachary served as a law clerk to Judge Cornelia Pillard of the U.S. Court of Appeals for the D.C. Circuit and Judge Amit Mehta of the U.S. District Court for the District of Columbia. Zachary graduated first in his class from Duke University School of Law, where he served as a Notes Editor of the Duke Law Journal and an Executive Editor of the Environmental Law & Policy Forum. He also participated in the school’s Environmental Law & Policy Clinic and published two student notes. Zachary was a consultant for the Environmental Protection Agency before law school.
Houston
Marcus’ experience includes the representation of school districts, municipalities, counties, junior colleges, universities, special authorities and other political subdivisions in a variety of roles, including bond counsel, disclosure counsel and issuer’s counsel. In addition, he regularly represents underwriters and purchasers of both public and privately placed debt, regularly serving as underwriters’ counsel and bank counsel.
Complementary to his core practice, Marcus is also able to provide his clients guidance on derivative transactions and liquidity facilities, election law matters, and municipal and school law issues.
Before joining Orrick, Marcus clerked for the Colorado Court of Appeals and subsequently practiced as an associate and then a partner with several international law firms.
Washington, D.C.
He has significant experience building strategic alliances between emerging and traditional payments companies, particularly in the mobile payments area, and he frequently advises clients on payment network issues and regulatory issues related to payments.
Prior to joining Orrick, Jeff was a partner at Buckley LLP. He also was counsel at Sidley Austin LLP, where he handled corporate and transactional matters.
Santa Monica
Brent is a trusted advisor to founders and boards, guiding high-growth companies through every stage—from formation and fundraising to acquisitions and IPOs—while serving as outside general counsel on day-to-day legal and strategic matters.
Brent prides himself on providing practical, actionable advice, especially to first-time founders navigating complex legal challenges. He works with startups across industries such as fintech, Web3 and blockchain, artificial intelligence (AI), e-commerce, biotech, and digital media, leveraging Orrick’s sector expertise and innovative legal tools. He also represents leading venture capital and growth equity funds, advising them throughout the investment process.
Recognized for his efficiency, candid guidance, and deep industry knowledge, Brent is also active in the LA startup community, mentoring founders and supporting diverse entrepreneurs. Super Lawyers has named him a Rising Star from 2022 - 2026.
Prior to joining Orrick, Brent was a senior associate at Gunderson Dettmer.
Brent earned his J.D. from Loyola Law School in Los Angeles and his bachelor’s degree from Florida State University. Prior to attending FSU, Brent was a proud member of the men's basketball team at Nova Southeastern University.
Washington, D.C.
Diana’s experience in managing intricate, high-stakes litigation is evident in her innovative and cost-effective case strategies that consistently lead to favorable resolutions.
Diana's clients rely on her sophisticated, thoughtful approach to ensure solutions align with their overall business goals. Whether it’s through inception, trial, or appeal, Diana's involvement in all phases of litigation guarantees a seamless and effective process. When a business dispute requires aggressive action, Diana is equally adept at representing plaintiffs, showcasing her versatility and determination to achieve fair outcomes for her clients.
Though her experience spans a range of high-stakes commercial disputes, class action and product liability litigation are cornerstones of her practice. In addition to her skill in product liability, Diana has over a decade of experience litigating a variety of intellectual property matters. Her portfolio includes complex multi-defendant, multi-patent district court infringement actions, fast-paced Section 337 Investigations in the International Trade Commission, and high-stakes copyright and trademark cases.
Beyond her litigation success, Diana is dedicated to fostering talent and diversity within the legal community. She has served as a deputy to Orrick's Women's Initiative and played a key role in Orrick's recruiting efforts. Diana previously co-chaired the Associates Committee of Orrick's Washington, D.C., office, earning the Mentor of the Year award in 2011 for her outstanding contributions.
Since joining Orrick's New York office in 2007, Diana has been actively involved in community service. Before Orrick, Diana practiced law in Miami, where she was involved in the local legal community, serving on the Board of Directors of the Dade County Bar Association and participating in the Dade County eMentor program and the Women's Fund of Miami-Dade.
Silicon Valley
Harrison graduated from UC Berkeley School of Law with the BCLT Technology Law Certificate and Pro Bono Honors with highest distinction. At Berkeley Law he served as Senior Executive Editor of the Berkeley Technology Law Journal and Co-President of the Space Law Society.
Harrison is dedicated to studying and advocating at the intersection of law and technology. During law school, for fun, he co-authored a comment to the FCC that was well cited in the reply-period and by the FCC in its subsequent order. This comment led to the paper "Title Zero": Ending the Infinite Loop of Classifications for Broadband Via a Technology Agnostic Definition, which won an award after peer review at TPRC49 and is published in the California Law Review in 2022. Harrison is also dedicated to positive social change enabled by law and technology. He was the co-lead organizer for the inaugural 2020 BTLJ/BCLT symposium "Technology Law As a Vehicle for Anti-Racism."
Harrison previously worked at a boutique patent firm in the San Francisco Bay Area where he aided in the drafting of patents. Harrison also brings experience in complex litigation, having worked at a plaintiff-side class action firm during law school. He holds a BS/BA from Loyola Marymount University in Economics/Political Science and a Minor in Natural Science/Physics. He further studied post-baccalaureate at Santa Clara University in Physics.
San Francisco
Niki concentrates her corporate practice on representing issuers and underwriters in public offerings and capital markets transactions. Niki also regularly counsels public and late-stage private companies on securities law compliance, disclosure matters, SEC reporting obligations, corporate governance and stock exchange listing obligations. In addition, Niki’s practice includes venture capital financings and advising start-up companies on general corporate matters. She represents a wide range of technology and life sciences companies, from privately held start-ups to publicly traded corporations.
Prior to joining Orrick, Niki was at Fenwick & West LLP and Davis Polk & Wardwell LLP.
Singapore
Leveraging more than 10 years of experience advising sponsors, investors, project companies, developers and financiers (including ECAs and commercial banks), Deska excels in getting complex projects across the renewable energy, conventional energy and infrastructure sectors over the line. She is experienced in advising on international cross border financings in Asia and the Middle East.
As a native Indonesian who spent over a decade of practicing law in Indonesia, Deska is adept at navigating Indonesia's intricate regulatory framework and possesses expertise in closing complicated projects for various stakeholders.
Prior to joining Orrick, Deska practiced law at a magic circle law firm in Jakarta and in Tokyo. Deska has also interned at the Massachusetts Department of Energy Resources and worked as an associate at a boutique oil and gas law firm in Indonesia.