
Privacy & Data Security: Highly Regarded
Global Guide 2026 : USA
Rankings

Ranked Individuals
Ranked Individuals
Chambers Review
Provided by Chambers
Work Highlights
Provided by Chambers
Holland & Knight LLP represented Costco in multiple class actions alleging privacy violations of the statutory and common law.
Strengths
Provided by Chambers
The firm provides practical, risk-based advice that is useful for in-house attorneys. It has deep knowledge of the intricacies between the different states and regulatory authorities.
Privacy & Data Security: Highly Regarded respondentGlobalThe firm are very much on top of everything. I had full confidence in the team and they proved successful. Top notch, great communicators and outstanding service.
Privacy & Data Security: Highly Regarded respondentGlobalH&K are very aware of the latest trends because of their client base in this area. Always available to sit and have a live discussion on how best to mitigate privacy risks.
Privacy & Data Security: Highly Regarded respondentGlobalThe Holland & Knight team work seamlessly.
Privacy & Data Security: Highly Regarded respondentGlobalThe entire data privacy team at H&K are all-stars. Their service level is 100%.
Privacy & Data Security: Highly Regarded respondentGlobal
Notable Practitioners
Provided by Chambers
Band 1 
Band 1 
Mark S Melodia
Mark Melodia is a highly regarded attorney, regularly sought out to defend corporate clients and financial service companies against both individual and class action privacy suits and government investigations.
Mark is a thought leader and he's done some really good litigating that has helped get good results for clients. When you see defendants winning, Mark's name appears a lot.
Privacy & Data Security: Highly Regarded respondentGlobalMark is extremely professional and knowledgeable. He is excellent to work with as he is very responsive.
Privacy & Data Security: Highly Regarded respondentGlobalMark is a clear thinker, a precise and concise communicator and obviously leads his team well.
Privacy & Data Security: Highly Regarded respondentGlobal
Band 3 
Band 3 
Shannon B. Hartsfield
Shannon Hartsfield is highly regarded by clients regularly representing them in various state and federal healthcare regulatory matters, while having particular strength in compliance, digital health and privacy and HIPAA.
She's been excellent, has some really interesting thoughts on health privacy. Very impressed.
Privacy & Data Security: Highly Regarded respondentGlobalShannon is a nationally regarded leader in the field of health privacy and security law. She worked to understand our business, asking probing questions and provided the best, most practical advice.
Privacy & Data Security: Highly Regarded respondentGlobalShe has a lot of industry experience, it's practical advice but very easy to work with. She's very flexible, very accommodating - overall very easy to work with.
Privacy & Data Security: Highly Regarded respondentGlobalShannon is very knowledgeable, very good at identifying all the potential problems and understands how the rules fit together. She has a good historical knowledge.
Privacy & Data Security: Highly Regarded respondentGlobal
Ranked Individuals at Holland & Knight LLP (2)
What success is built on
Chambers is the leading data and intelligence partner for the legal sector.