PRACTICE AREAS
National Security & Emerging Technology Counsel
Senior legal counsel and strategic advisory across national security, emerging technology, and regulatory matters, led personally by DJ Rosenthal.
FLAGSHIP PRACTICE
Fractional General Counsel
Embedded legal and strategic support to companies navigating sensitive operational and regulatory terrain, combining deep national security expertise with a nuanced understanding of emerging technologies. Our goal: help ambitious teams meet regulatory demands, manage institutional risk, and engage government stakeholders without compromising agility or focus.
What 77 Meridian Can Offer
Core Services
- Ongoing legal counsel on national security regulatory exposure, helping clients understand and manage the obligations that come with operating in sensitive sectors
- Government engagement strategy and stakeholder navigation, advising on when, how, and whether to engage federal agencies, congressional offices, and regulatory bodies
- Risk assessment across regulatory, operational, and geopolitical dimensions, identifying exposure before it becomes a crisis
- Contract and compliance review for national security-sensitive matters, ensuring agreements and operations align with applicable requirements
- Strategic guidance on cross-border operations, export controls, and sanctions, counsel on the regulatory landscape governing international activity
- Board and executive advisory on national security matters, providing the kind of informed perspective that helps leadership make better decisions
CFIUS Advisory & International Investment and Trade
Counsel on cross-border transactions, foreign investment, CFIUS reviews, export controls, and international trade compliance. DJ provides legal guidance from initial deal assessment through regulatory filing and post-closing compliance, grounded in years of experience working these issues from both the government and private sector sides. In 2025, DJ authored an amicus brief on behalf of former national security and law enforcement officials in U.S. Steel Corp. v. CFIUS before the U.S. Court of Appeals for the D.C. Circuit, demonstrating the depth of expertise 77 Meridian brings to these matters.
Core Services
- CFIUS transaction analysis and filing strategy
- Independent monitoring and compliance auditing
- Representation before CFIUS and related government agencies
- Export control and international trade compliance counsel
- Foreign ownership, control, and influence (FOCI) mitigation
- Cross-border deal risk assessment
National Security Regulatory Compliance
Legal and regulatory guidance for companies with national security exposure. DJ provides counsel on navigating the compliance landscape across federal regulations, industry-specific security requirements, and evolving national security policy, helping clients stay ahead of obligations rather than scrambling to catch up.
Core Services
- Compliance program design and assessment
- Regulatory risk identification and mitigation counsel
- Government inquiry response and regulatory engagement
- Security clearance and classified program compliance
- Ongoing regulatory monitoring and proactive counsel
AI Trust, Safety & Responsible Development Counsel
Legal counsel to AI companies on model integrity, trust and safety, and the evolving legal and regulatory landscape for responsible AI development. DJ advises at the intersection where national security implications meet emerging technology governance, helping companies understand their legal exposure, build defensible programs, and engage constructively with government stakeholders.
Core Services
- Counsel on AI-specific regulatory and legal exposure
- Trust and safety program legal review
- Government engagement on AI policy and responsible development
- Risk assessment for AI applications with national security implications
- Legal guidance on model governance, data security, and compliance obligations
Defense and Intelligence Community Partnerships
Legal and strategic counsel for companies working with, or seeking to work with, the defense and intelligence communities. DJ provides guidance on navigating this complex landscape, from initial market entry through ongoing government relationships. The goal is clear-eyed counsel that helps companies pursue these opportunities with a full understanding of the regulatory, legal, and operational requirements involved.
Core Services
- Counsel on defense and intelligence community contracting requirements
- Legal guidance on security clearances, facility clearances, and classified programs
- Strategic counsel on government market entry and partner identification
- Regulatory and compliance counsel for defense technology companies
- Advisory on government procurement and contracting legal issues
Extended Capabilities
Supporting Services
Through an extended team of specialists, including former FBI agents, Fortune 100 CISOs, and crisis communications professionals, 77 Meridian can mobilize additional capabilities as client needs require.
Due Diligence & Investigations
Comprehensive background investigations and due diligence assessments for transactions, partnerships, and personnel. Conducted by experienced investigators with law enforcement and intelligence backgrounds who understand the national security context.
Cyber Risk & Security Counsel
Risk assessments, incident response guidance, and security program evaluation from professionals who have led cybersecurity operations at Fortune 100 companies and major federal agencies. Practical counsel grounded in operational experience.
Advanced Threat Analysis
Specialized threat intelligence and analysis through extended team members with deep experience in counterintelligence and national security threat assessment. Available for specific engagements where specialized threat evaluation is required.
Strategic & Crisis Communications
Communications strategy and crisis management counsel from professionals with extensive national security and government affairs backgrounds. Available when clients need to manage sensitive public-facing situations with precision and discretion.
Engagement Structure
Engagements are structured as fixed monthly retainers, tailored to the scope and needs of each client. Contact us to discuss.
Ready to Talk?
Whether you're facing a regulatory question, a CFIUS inquiry, or need ongoing national security counsel, DJ is available to discuss your situation.