Bellementis PLLC Launches as an Elite Full-Service Boutique Law Firm Built for Modern Markets and High-Stakes

WASHINGTON--(BUSINESS WIRE)--Bellementis PLLC today announced its launch as a full-service boutique law firm designed to deliver sophisticated, integrated counsel across financial markets, emerging technology, litigation, regulation, and public policy.

Founded in Washington, D.C., Bellementis brings together senior government experience, top-tier law firm credentials, and deep technical fluency in digital assets, artificial intelligence, derivatives, fintech, cybersecurity, and modern financial infrastructure. The firm is built for the complexity and pace of today’s markets.

Bellementis is distinguished by its integration of proprietary AI-driven legal tools and a developing platform founded by Teresa Goody Guillén to enhance legal analysis, market intelligence, and client service in fast-moving, complex environments. Through its proprietary Tracker & Intelligence platform, the firm also provides complimentary public access on its website to advanced regulatory tracking, enforcement intelligence, legislative monitoring, and market analysis.

“Markets have outpaced traditional legal models,” said Founding Partner Teresa Goody Guillén. “Clients are confronting legal risk that is at once regulatory, technological, financial, and geopolitical. They need counsel capable of operating across those dimensions in real time. Bellementis was built as an integrated platform to meet that demand.”

The firm is led by internationally recognized financial regulatory and digital asset attorney Teresa Goody Guillén, former counsel in the Office of the General Counsel at the U.S. Securities and Exchange Commission and founder of the Digital and Innovative Markets practice at an Am Law 100 firm. Goody Guillén has been recognized by Chambers USA in Blockchain & Cryptocurrencies, named among Securities Docket’s “SEC Enforcement Elite,” and recognized by Washingtonian as one of Washington, D.C.’s “500 Most Influential People.”

A Senior Team with Experience in the Most Consequential Matters

Bellementis launches with a senior bench of attorneys and advisors who have led some of the nation’s most consequential matters across government, global financial institutions, enforcement agencies, and emerging technology markets.

Margaret McGuire, Partner, is an acclaimed SEC Enforcement veteran with nearly 24 years at the U.S. Securities and Exchange Commission, where she held senior leadership roles including Chief of the Financial Reporting and Audit Group and Coordinator of the SEC’s Climate and Bank Failure Working Group. She has led investigations and enforcement actions at the highest levels of the agency and brings deep experience in securities enforcement, financial reporting, and crisis-driven matters.

Angela Papalaskaris, Partner, is a nationally renowned litigator and strategic advisor with more than two decades of experience guiding companies, financial institutions, executives, and boards through complex disputes, enforcement actions, and regulatory crises. She is known for leading clients through multi-agency investigations, high-risk litigation, sanctions and export control matters, and other business-critical situations involving significant exposure.

Eli Elias, Counsel, is a regulatory and compliance advisor previously Senior Principal at Promontory Financial Group and Kalorama Partners, with substantial experience advising financial institutions and market participants on regulatory strategy, risk management, compliance, and evolving market frameworks. He brings a strong combination of policy sophistication, operational insight, and practical experience across banking, payments, digital assets, and financial innovation.

Christopher “Chris” Lamb, Associate, is a former Senior Counsel to a Commissioner at the U.S. Commodity Futures Trading Commission, where he advised on derivatives markets, digital assets, stablecoins, artificial intelligence, prediction markets, and emerging financial infrastructure during a period of significant market and regulatory change. Previously a member of an Am Law 100 firm’s Web3 and Digital Assets practice, Lamb brings experience in derivatives regulation, fintech, restructuring, digital assets, and other emerging technology matters.

Full-Service Capability Across Interconnected Risk

Bellementis continues to expand strategically across practice areas and jurisdictions. Bellementis advises clients across:

• SEC, CFTC, DOJ, FINRA, and state enforcement matters
• Securities, commodities, and derivatives regulation
• White collar defense and internal investigations
• Digital assets, blockchain infrastructure, and tokenization
• Artificial intelligence, cybersecurity, and data governance
• Banking, payments, and fintech regulation
• Complex commercial litigation and arbitration
• Corporate and strategic transactions
• Crisis management and reputational matters
• Public policy and legislative strategy

About Bellementis PLLC

Bellementis PLLC is a Washington, D.C.-based full-service boutique law firm advising clients on litigation, enforcement, regulation, transactions, AI, cybersecurity, financial services, and digital assets. The firm represents institutions, companies, funds, founders, executives, and market participants operating at the intersection of finance, technology, and public policy.

For more information, visit www.Bellementis.com.

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Bellementis PLLC
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