SeoJung Park Partner, Tax
Silicon Valley
Silicon Valley
Silicon Valley
SeoJung brings experience advising U.S. and International private equity funds in all phases of their operations, including formation, acquisition, financing, restructuring and exiting portfolio investments. She also counsels private and public companies, banks, and financial institutions on the U.S. tax aspects of various financings, capital markets and other transactions.
Sacramento; San Francisco
Sacramento; San Francisco
In doing so, Julie closely collaborates with each client, gathering an in-depth understanding of their specific tensions, challenges and objectives. Legal 500 noted she “truly understands corporate politics and works with in-house counsel to understand the intersections of legal advice and business objectives.” Julie then draws upon nearly three decades of experience to guide clients towards the best possible resolution. Her client-focused approach is one of many reasons she was selected to lead Orrick’s global employment practice, which Chambers ranks as one of the country’s foremost practices and describes Julie as “a big thinker and a thought leader.”
Julie has experience defending both class actions and individual plaintiff cases. She has successfully defended clients in trial and arbitration and helps clients with all types of employment matters, including complex wage-and-hour class, collective and representative actions; pay equity and promotion cases; whistleblower retaliation actions, discrimination, harassment and retaliation litigation and trade secret and non-compete matters. She also guides clients through systemic government investigations and audits. Julie is proactive in helping clients avoid litigation by assisting them with the development of policies and practices designed to minimize exposure, including advice and counselling work in the areas of AI and DEI in selection and recruiting.
Julie is honored to be a Fellow of the College of Labor and Employment and a member of the American Employment Law Council. She also served as a Council Member of the American Bar Association Labor and Employment Law Section.
Paris
Marc advises investment funds, industrial groups, listed companies, and startups, both French and international, on all aspects of business law, particularly in the context of acquisitions, disposals, mergers, reorganizations, and strategic partnerships.
He is particularly active in the infrastructure, renewable energy, and new technology sectors, both in France and internationally.
In 2025, the international guide Legal 500 EMEA named him in the Key Lawyer category in Private equity: LBO and commented "high-quality deliverables; clear, didactic communication; strong proposals; proactive" and "serious while being relaxed in interactions, appreciable in the execution phase under pressure".
New York
As a partner in Orrick’s top 5 ranked Technology Companies Group, Josh Beser is the first call for high-growth company and venture investor clients. Focused on guiding startups from seed stage through late-stage financings and strategic exits, he brings the perspective of a former general counsel who has scaled e-commerce businesses from the inside. This includes helping Away, for whom he continues to serve as primary outside corporate counsel, raise over $200 million and achieve a $1.4 billion valuation.
Josh is particularly passionate about building high-growth companies in regulated environments, helping his clients synthesize a wide range of potential legal and regulatory issues to drive growth, product innovation, fundraising, expansion, and M&A, while navigating founder transitions and board dynamics.
In doing so, he draws on his Orrick colleagues' deep regulatory expertise across AI, digital health/healthtech, fintech, consumer and retail innovation, energy and infrastructure, gaming, space, life sciences and other verticals.
Josh works closely with founders, executives and boards in:
Josh also regularly advises leading VCs and strategic investors active in these markets.
“Working with Josh is different because it really feels like he has my back. I know I’m getting great, practical advice from someone who’s been there.”
— General Counsel, Late-stage consumer brand
Before joining Orrick, Josh served as General Counsel at two high-growth, late-stage startups where he built and led legal, compliance, people and operations functions. This hands-on experience gives him a deep understanding of startup dynamics and what it takes to scale responsibly.
He has served as a key leadership voice during periods of hypergrowth, board transitions, crisis response, and internal investigations — bringing valuable market-wide perspective and judgment to fast-moving situations.
Josh is active in New York’s tech and venture ecosystem as a mentor, panelist and investor. He is a frequent speaker on topics ranging from digital health innovation to scaling the legal function as a business driver.
New York
Vicki negotiates project financings, procurement, acquisition and sale of energy and infrastructure projects. She quarterbacks complex mergers and acquisitions as well as project developments that require coordination with a host of different parties and advises on debt and equity financings for renewable and conventional energy projects. Well versed in public-private partnerships (PPP/P3) and securities offerings, Vicki guides clients through the legal and business challenges of large infrastructure projects.
Vicki is recognized nationally by Chambers USA, where clients state that she “is terrific to work with,” and she “always makes herself available and is extremely knowledgeable, intelligent and able to get the best out of everyone she works with.”
A distinctive aspect of Vicki’s practice is her dual focus in both the infrastructure and renewables sectors. She leverages this unique perspective in her client relationships with project developers, sponsors, issuers, lenders and governmental authorities.
Passionate about strategizing to get a project to completion, Vicki helps clients build consensus and find creative solutions with achievable outcomes. Whether it’s for the development of a major airport expansion, the equity or debt financing of a wind farm, or the acquisition of a geothermal facility portfolio, Vicki counsels clients on challenging issues and the broader process, providing commercial advice that considers all stakeholders involved.
New York
With more than 30 years of experience, Richard is widely recognized as one of the nation’s foremost authorities, having broad experience with tax exempt financings and related transactions involving governmental and not-for-profit entities. His skill and stature in the public finance community was recognized by the National Association of Bond Lawyers’ highest award for his career of distinguished service in public finance.
Richard focuses on new products, including the development of new and creative financing techniques for governments, non-profits and investment bankers. He regularly works on transactions throughout the country. However, in his home office in New York City, he leads the relationship with the Port Authority of New York and New Jersey, serving as counsel on well over 100 transactions over a period of more than 20 years and has headed the tax work in connection with every financing of a cultural facility relating to museums and performing arts in New York City over this same period. Richard has worked on the tax aspects of several of the largest and most complex public private partnership (P3) transactions in recent years. He frequently acts as special tax counsel to issuers and underwriters of municipal finance issues.
Boston
With more than three decades of experience advising both private and public companies—and having served as a senior in-house executive across multiple pioneering biotech and life sciences companies—Mark brings a uniquely business minded perspective to his counsel and delivers a rare blend of legal acumen and executive experience that positions him as a trusted strategic partner to entrepreneurs, companies and investors.
Mark is a veteran of hundreds of successful venture capital financings, technology and licensing transactions, strategic alliances, corporate governance matters, mergers and acquisitions, and public and private equity and debt offerings on behalf of companies in every health and biotech related vertical.
Before joining Orrick, Mark was a partner and co-founder of the Wilson Sonsini Boston office. He previously held senior executive roles at Affymetrix (AFFX), Helicos Biosciences (HLCS) and Joule Global Holdings, where he oversaw legal strategy, led public offerings and financings, negotiated strategic partnerships and licensing transactions, and managed critical business functions including HR, finance, and government affairs.
Mark and his wife, Christine, have been married for more than 25 years and have two adult children.
Washington, D.C.
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.
Washington, D.C.
As innovation pushes the limits of technology, those ideas challenge the boundaries of what is considered “personally identifiable information.” Sulina answers the question - how can we create tomorrow’s technology with yesterday’s privacy and consumer protection laws? Sulina works closely with innovators at all levels of a business – executives, engineers, marketing and product, HR and customer service teams – to gain a true understanding of their goals and the data they’re collecting, using and sharing. She places herself in her client’s shoes as well as in consumers’ mindset to devise creative privacy-by-design solutions, ensuring her client’s business and data innovation strategies withstand multi-national rules, government regulations, industry standards and consumer scrutiny.
With experience in both data privacy and consumer protection, Sulina utilizes a comprehensive approach to counsel clients on a myriad of issues affecting consumers and businesses. She routinely guides companies of all sizes through the existing patchwork of laws, self-regulatory standards and industry practice impacting data privacy and security. She advises clients subject to regulatory investigations and litigation involving a spectrum of federal and state laws, including:
Sulina advises companies of all sizes on the development and deployment of cutting-edge technologies and services, including ad-tech, AI and machine learning, biometric tools, social media, robotics and IoT devices, marketing and promotions and more. Sulina began her legal career focusing on consumer protection. She continues to counsel clients on marketing and promotional issues, including interest-based ads; sweepstakes and promotions; automatic renewal and subscriptions; advertising substantiation; influencer programs and social media; SMS text messaging and telemarketing (including matters involving the Telemarketing Sales Rule (TSR), the Telephone Consumer Protection Act (TCPA)); and other state and federal consumer protection laws.
Sulina’s practice is industry-agnostic. She has represented clients ranging from start-ups to Fortune 500s, non-profits, academic institutions and city governments across a range of industries from fashion and ecommerce, financial services, retail, food and beverage and technology services. Prior to law school, Sulina worked in the highly interactive fields of journalism, entertainment and digital media. This well-rounded background helps her connect with clients on a personal level, and ensure her advice integrates legal solutions with business practicality.
Before joining Orrick, Sulina was a member of the Privacy & Data Security Group; Entertainment & Media Group; and IP, Information & Innovation Group at Reed Smith, LLP in New York and Washington, D.C.
Seattle; Boston
A leading cybersecurity and online safety authority, Aravind is recognized by Chambers USA in Privacy and Data Security in both Litigation and Incident Response. Clients describe him as “a very talented lawyer experienced with incident responses” and “incredibly responsive and technically savvy.”
Aravind’s deep knowledge of his clients’ business objectives and technological capabilities distinguishes him as a strategic advisor and frontline crisis responder. He advises some of the world’s leading online platforms, public and private financial institutions, tech companies, higher education institutions, and critical infrastructure providers on cybersecurity, and their obligations to monitor and remove harmful or illegal content online and root out instances of child exploitation.
He is adept at guiding companies through cybersecurity incidents, having directed more than 500 data breach investigations, including enterprise-wide network intrusions to cyberattacks with national security implications. Aravind defends clients in an array of cybersecurity and privacy class actions and regulatory enforcement actions brought by the SEC, FTC, NY DFS and State AGs, and also represents individual C-level executives in criminal and civil regulatory enforcement matters.
As a former assistant United States attorney, he investigated and prosecuted a broad array of cybercrime, child exploitation cases, digital crimes, and white-collar crime cases. This first-hand knowledge of federal agencies allows him to navigate the system, partner with investigators and find creative solutions for clients.
Aravind is a member of Orrick’s Board of Directors, and he devotes much of his free time to advising independent schools on AI, online safety, and cybersecurity, and teaching and coaching.
Boston
Jake counsels visionary founders and top-tier venture and growth equity funds on venture financings, complex M&A, corporate governance, strategic collaborations, and other mission-critical transactions. Known for his steady counsel and deep market knowledge, Jake helps emerging companies scale with confidence and investors deploy capital with clarity.
Jake’s experience also includes representation of top growth equity and venture capital funds in the execution of their deals and deployment of capital, including work with TPG Capital, 5AM Ventures, and Pillar VC, among others.
He is currently a member of the Board of Trustees for the Leukemia and Lymphoma Society (New England) and is an active member of the Boston venture and emerging company ecosystem, including frequent speaking engagements for founders and other stakeholders on entrepreneurship, capital formation, and strategic transaction matters.
Prior to joining Orrick, Jake worked with Wilson Sonsini Goodrich & Rosati in its Boston office upon its founding. He lives in Boston with his wife Emily, an oncologist here in Boston, and their daughter Mia.
Boston
Reilly focuses on representing high growth technology and life sciences companies through their business life cycle. He advises on a broad range of corporate and transactional matters from formation to exit, including incorporation, governance, financing, and M&A matters. Reilly regularly counsels clients on both venture capital transactions as well as day-to-day governance and equity compensation matters.
Prior to joining Orrick, Reilly worked with Wilson Sonsini Goodrich & Rosati in its Boston office and served in the United States Marine Corps.