Avocats – United States

Mark Pollak

Partner

Ballard Spahr LLP

Mark Polston

Partner

King & Spalding

Mark Popofsky

Partner

Ropes & Gray LLP

Mark Premo-Hopkins

Mark Premo-Hopkins is a litigation partner and trial lawyer in Kirkland’s Chicago office. He represents companies as both plaintiffs and defendants in a broad range of business disputes. Mark recently co-led and won a trial in Delaware state court, where the jury awarded $82 million to a private equity client based on defendants’ fraud in the sale of a clinical trial software business. The American Lawyer selected Mark and his partner as Litigator of the Week based on the win. Mark also served as trial counsel for AbbVie in its successful pursuit of injunctive relief against a former employee that secretly joined a start-up company working on a competing drug. Mark went to trial for Baxter Healthcare in its successful defense of a $400 million breach of contract suit, obtaining significant wins at summary judgment and a favorable post-trial settlement. Mark has deep experience on behalf of private equity clients and their portfolio companies and in the healthcare/pharma industry. His clients benefit from the unique perspective and strategic insights he gained during four years as a successful plaintiff’s attorney in Colorado. When he’s not trying cases, Mark is an avid golfer and loves working with kids. He coaches youth sports for his local Park District.

Kirkland & Ellis LLP

Mark Proctor

Mark Proctor advises clients on the establishment of, investment in, and ongoing operation of private investment vehicles, and regularly provides advice to investment managers in connection with strategic transactions. Nationally recognized as a leading practitioner in private equity fund formation, Mark draws on a wealth of experience representing private fund sponsors, asset managers, insurers, and reinsurers as well as institutional investors and family offices. He advises clients in the energy and infrastructure, private credit, private equity, insurance, real estate, and venture capital industries on transactions and fund structures, including: Blind pools Co-investment funds Pledge funds Single funds Secondary market transactions Fund formation Secondaries and other liquidity transactions Internal sponsor economic arrangements Joint ventures Separately managed accounts Strategic transactions Establishment of investment platforms and compensation arrangements Prior to joining Latham, Mark was a partner at another global law firm. Before that, he served as Vice President and Associate General Counsel at Goldman, Sachs & Co., and advised businesses in Goldman Sachs Asset Management, LP, and the Merchant Banking Division. Additionally, Mark served as law clerk to judge Gary L. Taylor, United States District Court for the Central District of California from 2002–2003. Mark is a frequent speaker and author on key issues concerning the investment funds space, including for leading industry conferences and publications.

Latham & Watkins

Mark R. Galis

Shareholder

Greenberg Traurig

Mark Radcliffe

Senior Counsel

DLA Piper LLP (US)

Mark Rasmussen

Partner

Jones Day

Mark Reiter

Mark is an IP litigator and former co-chair of Gibson Dunn’s global Intellectual Property Practice Group and is a resident of the Dallas office. He has extensive experience litigating intellectual property matters in Federal Courts, appellate courts, including the Court of Appeals for the Federal Circuit, and the International Trade Commission and consistently serves as lead counsel in complex intellectual property disputes. Mark Reiter has handled patent litigation matters dealing with a variety of technologies including immunization technologies, DNA sequencing and DNA assembly technologies, RNAi technologies, mass spectrometry, semiconductor manufacturing, design and processing, software, construction techniques, chemicals, medical devices and food technology. He served as lead counsel for Uber Technologies in multiple patent infringement cases; lead counsel for Hewlett Packard Enterprise in a multi-patent case involving networking technology; lead counsel for Kimberly-Clark in a trade secret and patent infringement dispute involving nonwoven fabric technology and served as counsel for Natera Inc. in a multi-patent infringement dispute involving genetic testing technologies.

Gibson, Dunn & Crutcher LLP

Mark Rizik

Winston Taylor

Mark Robertson

Norton Rose Fulbright

Mark Rodriguez

Partner

Beck Redden L.L.P.

Mark Rosman

Mark is a first-chair trial lawyer at Proskauer, with more than 30 years of experience litigating in both the public and private sectors. Mark is a seasoned litigator, representing companies and individuals in connection with national and international antitrust and criminal matters, including cartel defense, criminal enforcement investigations, and merger and civil non-merger cases. He also has extensive experience handling Foreign Corrupt Practices Act (FCPA) violations, fraud investigations, bribery, obstruction of justice and kickbacks. Mark has served as lead lawyer in many prominent government enforcement actions as well. Mark previously served as Assistant Chief of the Washington Criminal Section in the DOJ’s Antitrust Division, where he oversaw teams of trial attorneys and law enforcement agents who prosecuted numerous cartel cases and related violations. He also served as Special Assistant to the Directors of Enforcement in the Antitrust Division’s Office of Operations, where he assisted Directors and Deputy Assistant Attorneys General in criminal matters and merger and civil non-merger cases. Mark also worked on many cases involving amnesty, recommended indictments, plea agreements, immunity, investigations, and case development. Mark is a prolific speaker and author on antitrust law topics, including cartel investigations and enforcement, as well as criminal and civil litigation and investigations.

Proskauer Rose LLP

Mark Rutter

Mark Rutter is a partner in Proskauer’s Corporate Department and a member of the Real Assets and Hospitality, Gaming & Leisure Groups. Mark’s practice spans a broad range of real estate-related matters, with a focus on representing real estate development companies, financial institutions and investors in all aspects of acquiring, developing and financing hotels, resorts and office, multi-family, industrial and mixed-use projects. His experience includes the negotiation of purchase and sale, joint venture, management, franchise, licensing and branding agreements, leases and construction-related agreements. Mark also represents borrowers in negotiating real estate-related senior, mezzanine and preferred equity financing.

Proskauer Rose LLP

Mark S Miller

Norton Rose Fulbright

Mark S. Mester

Mark Mester has extensive experience in class action litigation and served for three years as Global Co-Chair of the firm’s Consumer Class Action Practice Group. Mark has been lead counsel in over 1,000 consumer class actions over the last 35+ years. Mark is presently Lead Counsel in multidistrict litigation for the NCAA in In re NCAA Student-Athlete Concussion Injury Litigation, In re NCAA Student-Athlete Concussion Injury Litigation-Single Sport / Single School (Football) as well as for Beyond Meat in In re Beyond Meat, Inc. Protein Content Marketing and Sales Practices Litigation. Mark is also Lead Counsel for the Tampa Bay Buccaneers in a nationwide TCPA class action. He has also served as Lead Counsel in nationwide consumer class actions and multidistrict litigation for American Honda, Apple, Bass Pro, Behr, CCC Intelligent Solutions, Costco, Electrolux, Fairlife, Goldman Sachs, LG Energy, Navistar, Masco, Reckitt Benckiser, Safeway, Walmart, Weyerhaeuser, and Whole Foods. For many years, Mark was a member of the firm's Ethics and Pro Bono Committees.

Latham & Watkins

Mark Schlackman

Partner

King & Spalding

Mark Schneider

Mark focuses on representing businesses, their boards and executives in complex criminal, civil, and administrative investigations, government enforcement proceedings, risk assessments, and related litigation, often in highly regulated industries and international contexts. Mark has substantial experience representing clients in matters related to the False Claims Act, the Foreign Corrupt Practices Act, environmental law, securities enforcement, cartel investigations, healthcare, fraud, and trade secret theft.

Kirkland & Ellis LLP

Mark Schwed

Mark Schwed is a tax partner in the New York office of Kirkland & Ellis LLP. Mark advises public companies and private equity sponsors and their portfolio companies on their domestic and international acquisitions, investments, divestitures, joint ventures, financings and restructurings. He also has significant experience advising on SPAC initial public offerings, financings and business combinations. Additionally, Mark regularly advises on the structuring and negotiating of complex real estate transactions, including the formation of REITs. Mark is recognized as a leading lawyer for Tax in New York by Chambers USA. In the 2025 edition, a client noted “Mark is really good at understanding the goals of transactions and is able to get to an answer that works for everybody.” In previous editions, sources praise him for being “able to take very complex tax issues and distill them down to easily understandable insights that are relevant to our business goals” and note “he's super practical, very commercial and has the industry experience to advise across a broad range of matters.” Mark is also recognized as a “Leading Lawyer” for both International Tax and US Tax: Non-Contentious by The Legal 500 United States and as a “Bankruptcy Tax Specialist” by Turnarounds & Workouts magazine. Mark has been named as one of “500 Leading Global Real Estate Lawyers” in Lawdragon’s 2024 and 2025 lists.

Kirkland & Ellis LLP

Mark Seelig

Co-Founder, Chairperson

Meister Seelig & Schuster

Mark Selwyn

Partner

WilmerHale

Mark Semotiuk

Mark Semotiuk, a real estate M&A lawyer, represents private equity funds and REITs in corporate real estate matters across asset classes. Mark leverages Latham’s robust global platform and trusted client relationships to execute high-value real estate transactions, including: Mergers, acquisitions, and dispositions Secondaries and recapitalizations Joint ventures, co-investments, and preferred equity placements Property and corporate financings REIT and private equity fund structuring Mark, a Chartered Financial Analyst, began his career in real estate finance, so he brings a strong business perspective to understanding how each transaction’s legal requirements support clients’ business imperatives.

Latham & Watkins

Mark Silva

Mark Silva advises financial institutions and corporate borrowers on all matters related to financings. Known for his creative yet measured approach to complex transactions, Mark assists clients with international debt financings, debt workouts and restructurings, asset-based credit facilities, second-lien and split-lien credit facilities, leveraged acquisitions, retail finance, multinational credit facilities, and intercreditor arrangements. Mark works with a wide range of clients but has particularly deep experience in the retail, biotechnology, healthcare, life sciences, manufacturing, and financial services industries. Mark is a member of Choate’s Executive Committee.

Choate, Hall & Stewart

Mark Simon

For more than 30 years, Mark Simon has helped lending institutions, real estate funds and developers on a wide range of real estate financings and investments. He combines deep technical knowledge and industry experience with an understanding of the legal and business needs of real estate funds, banks, insurance companies and private developers. Recognized as a leading lawyer for years by industry publications such as Chambers USA, Legal 500 and Best Lawyers, Mark brings market knowledge and judgment based on experience to each of his clients' deals. Ranked as a leading lawyer for real estate law in Chambers USA: America's Leading Lawyers for Business, Mark has been described by clients as "very knowledgeable" and "good at focusing on big-picture items." He brings to real estate financings an incisive focus on the financial issues and business risks that will matter most to his clients. Mark's well-rounded representation of lenders and borrowers, developers and fund investors allows him to help his clients understand the needs and objectives of opposing parties and bridge the differences. At the same time, although Mark prides himself on a high level of legal craftsmanship, he works with his clients to identify the true risk points and possible financial detriments worth attacking and negotiates effectively when needed to avoid adverse consequences to his clients. In his civic work, Mark represents nonprofit organizations in their efforts to improve Chicago's neighborhoods and is a board member of the Chicago Lawyers' Committee for Civil Rights. Mark serves his home community as chairman of the Evanston Historic Preservation Commission.

Katten