Katie focuses her practice on mergers and acquisitions, joint ventures, private equity investments, and general corporate matters for clients primarily in the oil and gas, renewables, and conventional power industries.
Sundeep is also a leading advisor in the rapidly evolving advertising ecosystem and possesses an in-depth technical and legal understanding of adtech across all channels (e.g., connected TV, linear TV, over-the-top media, desktop, mobile web, mobile app). He participates in adtech working groups and is a key contributor to the development of industry-wide privacy compliance solutions. He advises on compliance with self-regulatory regimes developed by the Network Advertising Initiative (NAI), the Interactive Advertising Bureau (IAB), and the Digital Advertising Alliance (DAA). The IAB named him Outstanding Contributor to Legal Affairs in 2024 for his significant impact on the adtech ecosystem through his work on such industry-wide initiatives.
Sundeep is accredited by the International Association of Privacy Professionals (IAPP) as a Certified Information Privacy Professional in the United States (CIPP/US). He is also a member of Law360's 2025 Cybersecurity & Privacy Editorial Advisory Board.
Martin’s practice focuses on debt financing transactions, including leveraged acquisition financings, for private credit funds, private equity sponsors, corporates and special situations funds.
Prior to joining Orrick, he was an associate at another leading US law firm
Viv has extensive experience working for and with corporate, private and public sector clients, entrepreneurs, large banks, investors, law firms and accountancy firms in all aspects of company secretarial practice and corporate law.
She manages a harmonised team that is focused in providing the highest level of service, tailored to meet each client’s requirements.
David represents clients in matters involving the False Claims Act (FCA), the Anti-Kickback Statute, the Foreign Corrupt Practices Act (FCPA), federal securities laws, and the Food, Drug, and Cosmetic Act, among others. He has particular experience handling government investigations and complex civil litigation arising under state and federal false claims acts, including whistleblower-initiated FCA suits. His litigation experience includes oral argument before the First Circuit and state appellate courts, leading briefing in federal and state trial and appellate courts, and deposing senior government officials.
David routinely leads internal investigations relating to a range of ethics, fraud, and corruption issues, including bribery, corruption, accounting fraud, revenue recognition, embezzlement, and other misconduct. David also has extensive compliance experience. He served as Global Investigations & Compliance Counsel at a leading medical device company, and served as Counsel with the Legal Compliance & Investigations team at one of the world's largest technology companies (both client secondments). He played a key role in multiple DOJ- and SEC-appointed corporate compliance monitorships, as both counsel to the Monitor and helping clients successfully navigate monitorships. He routinely works with clients to develop and enhance their compliance programs.
David previously worked as an Assistant Attorney General in the Massachusetts Attorney General’s Office, serving as lead counsel in more than a dozen criminal and civil matters at all levels of federal and state court.
David is the hiring partner for the Washington, D.C. office and partner in charge of Orrick's D.C. summer program. He serves as firm-wide staffing partner for his practice group and is a member of the practice's professional development committee.
In 2017, 2018, 2019, and 2020 David was selected to the Washington, D.C. Super Lawyers Rising Stars list.
His practice focuses on mergers and acquisitions, private equity investments, and securities transactions. He also counsels clients on corporate governance.
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