
Corporate/M&A & Private Equity
USA Guide 2026 : District of Columbia
Rankings

Ranked Individuals
Ranked Individuals
Chambers Review
Provided by Chambers
Work Highlights
Provided by Chambers
Covington & Burling LLP advised Novartis AG on its merger with Regulus Therapeutics.
Strengths
Provided by Chambers
The attorneys have strong commercial awareness and are easy to reach and very prompt to respond.
Corporate/M&A & Private Equity respondentUSAThe firm's expertise and pragmatism made a difference in finding solutions to complex matters.
Corporate/M&A & Private Equity respondentUSAThe Covington team is made up of highly sophisticated experts.
Corporate/M&A & Private Equity respondentUSA
Notable Practitioners
Provided by Chambers
Band 2 
Band 2 
Catherine Dargan
Catherine Dargan leads the corporate and M&A team at the firm. She has a well-regarded practice and often works with clients in the life sciences sector. Catherine is a standout superstar.
Corporate/M&A & Private Equity respondentUSACatherine is truly one of the best attorneys I've worked with in my career hands down.
Corporate/M&A & Private Equity respondentUSA
Band 3 
Band 3 
Michael Riella
Michael Riella represents clients from many industries including life sciences and healthcare. He advises on a host of transactions, including M&A and joint ventures.
He is a very capable, strong lawyer.
Corporate/M&A & Private Equity respondentUSAWhen I have a complex transaction and need creative solutions, I call Mike.
Corporate/M&A & Private Equity respondentUSA
Band 4 
Band 4 
Thomas E Repke
Thomas Repke works with significant clients on a host of transactional matters.
He is a smart and practical lawyer.
Corporate/M&A & Private Equity respondentUSA
Band 4 
Band 4 
W Andrew Jack
Andrew Jack advises on a range of corporate and securities matters. His clients includes companies in the technology, sports and entertainment industries. Andrew is a strong advisor and confidante.
Corporate/M&A & Private Equity respondentUSA
Ranked Individuals at Covington & Burling LLP (4)
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