Mary T. Costigan
Employment Law - Management
Employment Law - Management
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Mary T. Costigan is a principal in the Berkeley Heights, New Jersey, office of Jackson Lewis P.C. She holds a Certified Information Privacy Professional/US designation from the International Association of Privacy Professionals (iapp). Mary advises multinational, national, and regional companies on emerging privacy and cybersecurity issues, including the broad and growing array of mandates, best practices, and preventive safeguards. In particular, she focuses on advising and assisting clients in matters relating to compliance with the General Data Protection Regulation (GDPR) and U.S. privacy and data security standards such as HIPAA/HITECH. She also assists clients with data breach preparation and response, biometric data collection policies, vendor security assessments, and data security agreements, including business associate agreements. Mary started her career as a litigation associate in private practice and worked as a senior litigator and advisor to the Massachusetts Department of Revenue in its Boston and New York City offices. Prior to joining Jackson Lewis, she was a global privacy manager at KPMG where she advised internal stakeholders and project teams on global data protection and privacy matters, with a concentration on software applications.
Recognized in Best Lawyers since 2024
Katherine Thomas
Working with Mary T. Costigan was an exceptional experience. Her 36 years of experience in general practice, especially in employment law and data security, provided us with unparalleled guidance. She handled a complex case involving employment disputes and privacy concerns with remarkable precision. Mary's Certified Information Privacy Professional/US designation was evident in her ability to navigate intricate legal challenges. Her professionalism, attention to detail, and calm demeanor under pressure made all the difference. We achieved a favorable outcome, and I credit Mary's expertise and strategic approach. I highly recommend her to anyone seeking top-tier legal representation in employment and privacy law.