Lyndsey Estin

Prior to becoming Co-CEO, Lyndsey founded and led the firm’s market-leading U.S. Cybersecurity practice, supporting both the organizations responding to significant cyber incidents as well as the technology organizations at the center of them. A widely recognized expert, Lyndsey has brought nuanced understanding to some of the most sensitive incidents in recent history, including those involving major operational shutdowns, nation-state attacks, critical infrastructure impact, and highly aggressive extortion campaigns.

In addition to special situations, Lyndsey advises clients on strategic positioning, helping companies and leaders communicate with clarity during major milestones and moments of change, including financial announcements and transactions, leadership transitions, and strategic transformations.  She plays a key role in the firm’s AI communications advisory work, including in collaboration with Kekst CNC’s parent company Publicis Groupe.

Prior to Kekst CNC, Lyndsey worked for Paul, Weiss, Rifkind, Wharton & Garrison LLP. She has been a guest lecturer at Brown University and NYU’s Stern School of Business.

Lyndsey holds a BA in English, cum laude and with distinction in all subjects, from Cornell University.

Experience

Corporate and Financial Communications

• Partners with companies in complex industries, including technology, cybersecurity, and healthcare, to define clear, credible positioning and define lanes of authority for key executives on core issues, including AI.

Cybersecurity and Data Privacy

• Advises on high-impact operational events including the largest global IT outage in history, widespread cyberattacks affecting global B2B and B2C operations, and ransomware incidents involving prolonged system shutdowns.
• Supports companies targeted by well-resourced and highly sophisticated threat actors, including aggressive nation-state attacks, mass-exploited zero-day vulnerabilities, and extortion campaigns involving personal attacks against corporate leadership and their families.
• Counsels organizations facing sensitive data disclosures (including PII/PHI), major breaches involving customer and product information, and situations triggering national media attention, congressional scrutiny, and multi-jurisdictional regulatory obligations.
• Advises management teams and boards across industries on proactive cyber readiness, including incident response planning and response materials, high-stakes simulations and tabletop exercises, and media training.

Transactions

• Advises on a wide range of transformational transactions, including friendly and contested M&A, IPOs, and spin-offs, with particular experience in the consumer, healthcare, industrials, aviation, real estate, and sports & entertainment industries.

Crisis and Issues Management

• Works with clients across industries to manage a variety of special situations, including: high profile litigation, product recalls, safety matters, service outages / operational shutdowns, workplace misconduct, employee reductions and layoffs, and social media-related incidents, among others.
• Advises clients across industries on crisis readiness planning, including vulnerability assessments, preparation and response planning, and tabletop and simulation exercises.