& Compliance
Investigation
& Management
Mullen Coughlin, Cybersecurity & Data Privacy
& Compliance
Investigation
& Management
Cybersecurity & Data Privacy
Mullen Coughlin LLC is a law firm uniquely dedicated exclusively to representing organizations facing data privacy events, information security incidents, and the need to address these risks before a crisis hits. Founded by John Mullen, Jennifer Coughlin, Jim Prendergast, and Chris DiIenno, our team of accessible and motivated attorneys have handled thousands of events and possess experience and talent in data breach response, regulatory investigation defense, pre-breach planning and compliance, and privacy and security litigation defense unmatched in the industry.
Meet Our Team
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Richard J. Aponte-Boyd
Partner
(267) 930-4888Richard Aponte-Boyd, a Partner at Mullen Coughlin, focuses his practice on data privacy and security incident response. Working with organizations […]
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MaryEllen T. Conroy
Partner
(267) 930-4582MaryEllen Conroy is a Partner in Mullen Coughlin’s Litigation practice. With over 30 years of experience in U.S. state and […]
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Jennifer A. Coughlin
Partner & Managing Member
(267) 930-4774Jennifer A. Coughlin is a Founding Partner of Mullen Coughlin and its Managing Member, guiding the Firm in its commitment […]
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Christopher J. DiIenno
Partner
(267) 930-4775Christopher Dilenno is a Founding Partner of Mullen Coughlin, focusing his practice on assisting organizations as they respond to, and […]
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Elizabeth R. Dill
Partner & Co-Chair, Advisory Compliance
(267) 930-5327Elizabeth (Liz) Dill, CIPP/US is a Partner at Mullen Coughlin, located in Richmond, Virginia. She focuses her practice on counseling […]
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Kevin E. Dolan
Partner & Co-Chair, Advisory Compliance
(267) 930-4861Kevin E. Dolan is a Partner at Mullen Coughlin and Co-Chair of the Firm’s Advisory Compliance practice group. As Co-Chair, […]
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Kevin M. Farrell
Partner
(267) 930-4691Kevin Farrell is a Partner at Mullen Coughlin. He represents organizations, particularly in the healthcare and life sciences industry, through […]
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Edward J. Finn
Partner
(267) 930-4776A Partner at Mullen Coughlin, Ed Finn assists organizations of all sizes with ensuring compliance with a wide variety of […]
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Brian F. Fox
Partner
(267) 930-4777Brian Fox focuses his practice on privacy and data security matters, helping clients navigate the various state, federal and international laws that govern the protection of data. When a privacy event occurs, he assists clients with locating the source of the breach, identifies affected individuals and prepares the legally required notice to individuals and regulatory officials.
Firm News & Events
Cyber Liability Claims Trends
As part of the IRMI’s free webinar series, Mullen Coughlin Partner Carolyn Purwin Ryan joins Kirsten Mickelson from Gallagher Bassett on the webinar, “Cyber Liability Claims Trends,” on July 21.
Designed for insurance, IT, and other risk management professionals, this presentation provides attendees with valuable insights into today’s cyber risk landscape and the related financial, legal, and operational consequences of data privacy and security incidents. Carolyn provides the latest trends in cyber liability claims such as emerging threats and common vulnerabilities, and best practices to mitigate cyber risk, enhance cybersecurity resilience, and understand cyber insurance.
Learn more and register to attend here.
Mullen Coughlin Wins Cyber Law Firm of the Year Award at 2026 Zywave Cyber Risk Awards
Mullen Coughlin LLC is proud to announce that it was the recipient of the Zywave “Cyber Law Firm of the Year” award, presented on Thursday, June 11 at the 2026 Cyber Risk Awards in New York, NY. This award, which Mullen Coughlin has won multiple times, most recently in 2025, recognizes the law firm that has been “unparalleled in its work within the cyber insurance space,” and is voted upon by over 10,000 cyber industry peers, clients, partners, government officials, and colleagues.
This award once again solidifies Mullen Coughlin as the most trusted and premier legal partner for the cyber insurance community – including carriers, brokers, and insureds – around the globe. #Congratulations to the Firm on this well-deserved honor, and to all the other winners who represent the cyber insurance community’s “best-of-the-best”!
Read more about the Cyber Risk Awards and view the full list of winners here.
Mullen Coughlin Ranked by Chambers & Partners in Nationwide Privacy & Data Security Practice Area
For the first time ever, Mullen Coughlin is ranked by Chambers & Partners in this year’s Chambers USA in the Nationwide Privacy & Data Security practice area, further recognizing Mullen Coughlin’s experience, legal excellence, commitment to both clients and the cyber industry, and continued growth and success since its founding in 2016.
Chambers USA ranks the top U.S. law firms and attorneys across numerous practice areas based on self-submissions, in-depth attorney and client interviews, and internal resources. Mullen Coughlin’s ranking reflects the Firm’s market-wide excellence in legal ability, client service, industry awareness, and caliber of attorneys.
Learn more about Chambers’ Nationwide Privacy & Data Security practice area here.