USA Guide 2026 : USA - Nationwide
Ranked Individuals
Provided by Chambers
Simpson Thacher & Bartlett LLP's team is noted for its experience representing clients before Congressional committees. The team draws from the former government experience of its members as they advise both individuals and companies from a myriad of industries.
Provided by Chambers
The team at Simpson is top of its game.
Provided by Chambers
Karen Christian is cohead of Simpson Thacher's Congressional investigations practice. She has experience representing clients before various Congressional committees. She draws upon her experience as a former general counsel at the House of Representatives Committee on Energy and Commerce.
Karen's quick responses are always thoughtful and informative. Her strategy and knowledge serve us well and she anticipates our needs which helps us to avoid additional issues.
Karen is a strategic counselor with an approach that quickly earns confidence and respect.
Karen provides thoughtful counsel.
Karen is incredibly knowledgeable and gives great advice.
Karen stands out for her exceptional judgment, steady leadership and practical approach to problem-solving. She combines deep technical expertise with a strong understanding of our business and priorities, which allows her to deliver advice that is both strategic and actionable.
Esteemed practitioner Raphael Prober is co-head of Simpson Thacher & Bartlett's Congressional Investigations practice. He represents individuals and companies in Congressional investigations as well as related government investigations and regulatory matters.
Raphael is the most effective, thoughtful and reliable congressional investigations lawyer in the country.
Raphael is a top-notch attorney who provides thoughtful and incisive counsel.
Raphael is exceptional at what he does. He understands congressional enquiries in an extremely substantive and nuanced way.
Raphael brings incredible value to our projects and is enjoyable to work with.
Raphael is our first call and knows what to do right away.
Martine is an extraordinary attorney and exceptional legal mind. She has the capacity to see an entire problem and to build strategies that draw on her unique state and federal government experiences.
Martine is an exceptional force in our advocacy efforts, consistently delivering thoughtful and impactful contributions.
Martine is best in class. She can do it all.
Government Relations: Congressional Investigations
Government Relations: Congressional Investigations
State Attorneys General
Chambers is the leading data and intelligence partner for the legal sector.
