Avocats – United States

Dewey Gonsoulin

For more than 28 years, Dewey Gonsoulin has effectively and efficiently represented clients in all types of financing transactions. He devotes a significant portion of his practice to energy financing, and is a frequent speaker and writer on topics related to upstream oil and gas reserve based financings. He represents commercial lenders, mezzanine lenders, corporate borrowers and other financial institutions in all types of financing transactions. Dewey focuses primarily on credit facilities in the upstream energy sector, including traditional borrowing base credit facilities provided by senior bank lenders to independent producers as well as more complex mezzanine and development financing transactions. In addition to working on upstream financings, Dewey also has extensive experience in oilfield service and midstream pipeline financings. In periods of economic downturn, Dewey works alongside the firm’s restructuring practice, serving as lead transaction counsel on numerous workouts and restructurings involving energy companies. In addition to his client responsibilities, Dewey serves as chair of the firm’s finance department, and has previously served as a member of the firm’s management and finance committees.

Bracewell LLP

Diana Brummer

Partner

Goodwin

Diana Erbsen

Partner

DLA Piper LLP (US)

Diana Kabbani

Associate - Litigation and Investigations

Bryan Cave Leighton Paisner

Diana Leiden

Winston Taylor

Diana Rosia

Associate - Corporate and Finance Transactions

Bryan Cave Leighton Paisner

Diana S. Doyle

Tax Partner

Latham & Watkins

Diana Torres

Diana Torres is an intellectual property and commercial litigation partner in Kirkland's Los Angeles and Bay Area offices. Diana focuses her practice on false advertising, unfair competition, trademark, copyright, and trade secrets matters, and has handled many high-profile matters for a wide variety of clients, including biometric information security software developers, consumer product manufacturers, fitness service providers, entertainment and media companies, and Internet service providers. Diana also advises clients on compliance and contractual issues and commercial legal strategy.

Kirkland & Ellis LLP

Diana Watral

Diana Watral is a litigation partner and trial lawyer in Kirkland’s Chicago office. Diana represents companies as both plaintiffs and defendants in a broad range of business and intellectual property disputes, with recent experience in contract, False Claims Act, trade secret, patent, sports, products liability, and complex commercial cases. Most recently, Diana served as trial counsel to Flexus Biosciences, a Bristol-Myers Squibb subsidiary, in a $1 billion trade secret jury trial that resulted in a complete defense verdict. Diana successfully defended Abbott in a $1 billion False Claim Act jury trial and second-chaired Baxter Healthcare’s successful defense of a $400 million contract dispute. She also successfully defended a TRO and injunction request seeking to prevent the Chicago Cubs from expanding Wrigley Field.

Kirkland & Ellis LLP

Diana Wierbicki

Partner and Chair, Art & Cultural Property

Loeb & Loeb LLP

Diana Woodcock

Diana Woodcock is a Managing Partner based in Kuiper Law Firm’s Houston office. In her role, she collaborates closely with Alexander Kuiper and Steven Lehrbass to oversee and manage the firm’s legal work across New Mexico and Texas. Diana brings comprehensive expertise in energy, commercial, and real estate law, and she plays a central role in coordinating cross-jurisdictional matters between the Houston, Midland, Fort Worth, and regional offices. She helps ensure consistency in legal strategy, client service, and operational standards throughout the firm’s footprint in Texas and New Mexico. Beyond her regional oversight, Diana remains actively involved in significant client engagements, serving as counsel in transactional, regulatory, and litigation matters. Her partnership role places her at the intersection of practice leadership and client advocacy, reinforcing Kuiper Law Firm’s commitment to high-quality, responsive legal services in the region.

Kuiper Law Firm PLLC

Diane Dygert

Partner and Chair of the Employee Benefits & Executive Compensation Department

Seyfarth Shaw LLP

Diane McCabe

Partner

Goodwin

Diane Siegel Danoff

Dechert

Diane Sullivan

Partner

Weil, Gotshal & Manges LLP

Diara Holmes

Partner and Co-Chair, Nonprofits & Tax Exempt Organizations; Co-Chair, Loeb & Loeb's Attorneys of Color and Ethnic Diversity Affinity Group

Loeb & Loeb LLP

Diego Figueroa-Rodriguez

Of Counsel

DLA Piper LLP (US)

Diego Flores

Counsel

Shartsis Friese LLP

Diego Price

Senior Associate

RC Law LLP

Dietmar Prager

Debevoise & Plimpton LLP

Dietrich Snell

Dietrich L. Snell is a partner in Proskauer's Litigation Department and a member of the White Collar Defense & Investigations Group. Dieter has extensive experience in law enforcement-related matters spanning a wide range of disciplines. He has both federal and state level prosecutorial and investigative experience, having served for nearly two decades as an Assistant U.S. Attorney; as New York Deputy Attorney General; and as Senior Counsel to the National Commission on Terrorist Attacks Upon the United States (the 9/11 Commission). Clients and Areas of Concentration Dieter’s clients include corporations and senior executives involved in civil and criminal investigations and prosecutions performed by federal and state law enforcement and regulatory authorities, in such diverse areas as money laundering foreign assets control antitrust false claims Foreign Corrupt Practices Act (FCPA) securities fraud (including New York's Martin Act) civil rights environmental law online gambling He frequently handles sensitive internal investigations for corporate clients and other entities. Dieter’s practice also includes commercial litigation in both federal and state court. Prosecutorial Experience As the New York Deputy Attorney General, Dieter was responsible for the investigation, litigation and regulatory activities performed by the Division of Public Advocacy under former Attorney General Eliot Spitzer. He supervised approximately 300 professional staff and oversaw complex cases and investigations involving: Unlawful discrimination in lending, housing, and employment; Bid rigging and other deceptive business practices by major participants in the insurance industry; Securities law violations stemming from market timing activities within the mutual fund industry; Conflicts of interest between research and investment banking functions of major Wall Street firms and the negotiation of a settlement between those firms and federal, state, and industry regulators; Violations of the Clean Air Act by power plants and challenges to related Environmental Protection Agency rulemaking; Federal court litigation over preemption claims by the Office of the Comptroller of the Currency regarding enforcement of the federal Fair Housing Act; Before joining the New York Attorney General’s office, Dieter served for 11 years as Assistant U.S. Attorney for the Southern District of New York, notably handling the successful prosecution of 1993 World Trade Center bomber Ramzi Yousef for Yousef’s role in the 1994-95 plot to destroy 12 passenger jets in midair, as well as cases involving securities and commodities, bank and computer fraud, narcotics, money laundering, and racketeering offenses. As Deputy Chief Appellate Attorney, he supervised the preparation and submission of briefs to the U.S. Court of Appeals for the Second Circuit. The 9/11 Commission In his role as Senior Counsel to the 9/11 Commission, Dieter led the team assigned to investigate the plot that culminated in the September 11 attacks. He negotiated with the law enforcement, intelligence and diplomatic communities regarding access to documents, evidence, and witnesses; reviewed voluminous classified and unclassified materials; conducted witness interviews; advised commission members and assisted them at public hearings; and drafted and edited substantial portions of The 9/11 Commission Report.

Proskauer Rose LLP

Dimitrios Drivas

Partner

White & Case LLP

Dimitris Vallindas

Dimitris Vallindas is a partner in the Antitrust and Competition Practice Group in the firm's Brussels office. Dimitris advises on all areas of European and Greek competition law. He is a responsive lawyer focusing on the clients' needs to provide cost-effective and tailor-made solutions that work. In particular, he has significant experience in handling and coordinating complex multi-jurisdictional cartel and merger cases. Having frequently worked with top quality local counsel, he knows how to navigate through the complex issues that arise in such situations. Dimitris also has in-depth expertise in all types of State aid matters, including R&D, environmental, rescue and restructuring, risk-capital and privatisation cases. He has been frequently involved in litigation both at national and EU level. Dimitris' expertise covers several industry specific sectors, including the sectors of aviation, telecommunications, rail transport and energy. Prior to joining Sheppard, Dimitris was an academic assistant in EU law at the University of Aix en Provence in France. He then moved to Brussels, where he spent some time in a State aid unit of DG Competition (European Commission). After DG Competition, he switched to private practice and worked for three international law firms specializing in competition law before joining Sheppard.

Sheppard

Dina Kapur Sanna

Partner

Day Pitney LLP