People

Christina Catzoela 合伙人

西雅图

In the four years prior to joining Orrick, Christina acted as Senior Corporate Counsel to Zillow Group, Inc. While at Zillow Group, Inc., Christina focused her practice on technology transactions, public reporting and compliance.

She started her practice as a corporate associate in the Silicon Valley office of Gunderson, Dettmer, Stough, Villeneuvue, Franklin & Hachigian, LLP.

David Chamberlin Mng Dir of Strat Comm Adv Team

Washington, D.C.; 休斯敦

David collaborates with Orrick’s legal advisory teams, including the litigation, regulatory and transactional practices to provide strategic business guidance to clients facing critical situations. He helps clients address reputational challenges and maximize the opportunities affecting their organizations and stakeholders. He serves as a trusted advisor to the C-suite and Boards across numerous industries around the world. He develops strategies for Congressional hearings, corporate layoffs, federal investigations, mergers and divestitures, multi-country recalls, executive transitions, organizational change management initiatives, cybersecurity and privacy incidents and legal and financial crises.

Prior to joining Orrick, David served as the Chief Marketing Officer at SonicWall, a global cybersecurity leader, where he revamped the marketing, communications and government relations functions. He also served as PNC Financial Services Group’s Chief Communications Officer where he modernized the function and led internal and external communications, responsible business, social media strategies, sponsorships and employee recognition. He also led public relations and communications for the credit card business at JPMorgan Chase and served as the Head of Global Communications for Nortel.

As a consultant, he helped launch and lead the  global Data Security & Privacy Group at Edelman. He served as the general manager of Edelman’s Dallas, Texas and Shanghai, China offices and led the firm’s global Financial Comms & Special Circumstances and Crisis & Risk practices. He also served as the North American head of MSL Group’s Issues & Crisis Management Practice. David has appeared on CNN, ABC, PBS and several other broadcast outlets. He has been published in The Wall Street Journal, New York Times, USA Today, The Los Angeles Times, Newsweek and Forbes.com. His work has earned several awards, including being named to PRWeek’s Global Power Book and 40 Under 40, as well as earning their inaugural Corporate Public Relations Team of the Year award. He is a regular speaker at conferences and universities around the country

A native of Springfield, Ohio, David has three children and lives with his wife in the Dallas, Texas area. Away from the office, he enjoys spending time with his family, listening to music and cycling.

Tony Chan 合伙人

Washington, D.C.; Boston; New York

Tony regularly advises on mergers and acquisitions (M&A), private equity, growth equity, and venture capital transactions, as well as on corporate governance, joint ventures and corporate finance matters.

Tony has been recognized for his life sciences and M&A work by a number of notable publications, including The Legal 500 US, Law360, IFLR1000 and Legal Media Group. In particular, Law360 highlighted his work in navigating the complex life sciences industry and key partnership negotiations between biotechnology and drug companies.

In addition, Tony sustains an active pro bono practice, serving as counsel to nonprofit organizations such as Aequitas, APAI Vote, Chefs Stopping Asian American Hate, Rebuilding Together Philadelphia, the Philadelphia Film Society, and the Harvard Asian American Alumni Alliance. Tony also serves as an adjunct professor at Georgetown Law School where he has taught Takeovers, Mergers and Acquisitions since 2015.

Steffi Chan 高级律师

Los Angeles; 旧金山

Steffi has participated as bond counsel, disclosure counsel and underwriter’s counsel on a variety of transactions including general obligation bond financings, revenue bond financings and lease financings for school districts, community college districts, local government and state agency clients.

Lowell Chandler 律师

Washington, D.C.

Lowell's practice centers on drafting and negotiating a wide range of documents related to renewable energy project development, including power purchase agreements (PPAs), virtual PPAs, energy storage service agreements, tolling agreements, and engineering, procurement, and construction contracts. He also supports clients with interconnection, transmission, and regulatory matters. Leveraging his regulatory and appellate expertise, Lowell delivers comprehensive, forward-thinking advice to help clients anticipate and overcome obstacles.  

Before joining Orrick, Lowell served as a junior partner at a boutique law firm where he led the representation of developers of solar, wind, hydroelectric, generation-plus-storage, and biomass projects. His work involved negotiating offtake agreements, navigating complex regulatory environments before state utility commissions and the Federal Energy Regulatory Commission, and engaging in extensive appellate practice related to renewable energy project development under the Public Utility Regulatory Policies Act.

Prior to practicing law, he served as a climate policy analyst for an international non-governmental organization in Washington, D.C., where he advanced U.S. climate policy on refrigerants and contributed to amending the Montreal Protocol to phase-out hydrofluorocarbon super greenhouse gases.  

David Chang 主理律师

Los Angeles

David’s practice focuses on complex copyright and trademark matters in retail, entertainment, and media adjacent spaces. He also possesses multiple years of experience litigating tech-based trade secret and patent infringement issues involving software programs, computer hardware, digital communication systems, and medical devices.

Prior to joining Orrick, David served as a law clerk for the Honorable Otis D. Wright, II in the Central District of California as well as for the Honorable Liam P. Hardy on the U.S. Court of Appeals for the Armed Forces. Between federal clerkships, David worked at Kirkland & Ellis LLP in their IP litigation practice group where he engaged in all stages of litigation on behalf of various Fortune 50 companies.

In addition to his civilian career, David previously served as an Infantry Officer and continues to serve part-time as a Judge Advocate in the U.S. Army National Guard.

David is also passionate about serving his larger community and has an active pro bono practice focusing on civil litigation, veteran assistance, and refugee legal aid.

Cathleen Chang 高级律师

休斯敦; Austin

In public finance matters, Cathleen has served as bond counsel and special tax counsel for a variety of transactions, including health care facilities, multifamily housing, airport, ports, transit authorities, non-profit organizations, public utilities, hospitality projects, as well as tobacco revenue securitizations. In addition to tax-exempt financings, Cathleen also represents clients in IRS audits and non-profit corporation tax matters.