Department profile
Cooley LLP

Corporate/M&A

USA Guide 2026 : California: San Diego

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Cooley LLP

Rankings

Chambers Review

Provided by Chambers

Corporate/M&A - California: San Diego

Band 1

What the Team is Known For
Well-regarded corporate practice with significant strengths in the life sciences and technology industries. Statewide coverage includes formidable offerings in Palo Alto, San Francisco and San Diego. Acts for clients of all sizes, from emerging companies to multinational corporations, in a variety of transactions, including M&A and joint ventures. Also has significant experience acting for financial advisers in complex transactions.
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Work Highlights

Provided by Chambers

  • Cooley advised Castle Biosciences on its acquisition of Capsulomics.

Strengths

Provided by Chambers

  • They combine deep technical knowledge with practical, strategic advice.

    Corporate/M&A respondentUSA

  • All aspects of the transaction were handled seamlessly and efficiently.

    Corporate/M&A respondentUSA

  • Commercial awareness is perhaps Cooley's greatest strength. They provide a stellar work product, outstanding business acumen, efficiency, responsiveness and creativity.

    Corporate/M&A respondentUSA

  • They are highly responsive and solution-oriented.

    Corporate/M&A respondentUSA

Notable Practitioners

Provided by Chambers

  • Jamie Leigh
    Jamie Leigh

    Jamie Leigh

    Jamie Leigh is the chair of the firm's global mergers and acquisitions group. She has extensive experience representing clients in the technology sector.

    • Jamie is outstanding. She is very sophisticated and commercial, and a real adviser in tough situations.

      Corporate/M&A respondentUSA

    • Jamie is brilliant at what she does. She is very smart and results-oriented, and brings a lot to the table to get the deal done.

      Corporate/M&A respondentUSA

    • She is extremely responsive, commercial and practical. She is great all-round.

      Corporate/M&A respondentUSA

    • She is very good at handling complex issues that are on a fast timeline.

      Corporate/M&A respondentUSA
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  • Rama Padmanabhan
    Rama Padmanabhan

    Rama Padmanabhan

    Rama Padmanabhan is recognized for her diverse corporate practice, which includes deep expertise in life sciences and biotechnology M&A. She regularly assists her clients with cross-border deals, especially those involving Asia.

    • She is knowledgeable and a great pleasure to work with.

      Corporate/M&A respondentUSA

    • Rama is very experienced and cares deeply for her clients.

      Corporate/M&A respondentUSA

    • Rama is an outstanding lawyer and person. She has deep M&A expertise, is always responsive and gives trusted advice.

      Corporate/M&A respondentUSA
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  • Rowook Park
    Rowook Park

    Rowook Park

    Rowook Park focuses his practice on advising clients through public and private M&A, venture capital financings and securities offerings, with particular expertise in cross-border transactions in the technology and biotech sectors.

    • Ro is a great balance of highly experienced and capable with client service. He is excellent at communicating with the client and ensuring everyone is up to speed.

      Corporate/M&A respondentUSA

    • He is very committed to the transaction, but, more importantly, to the client and making sure that they are well represented.

      Corporate/M&A respondentUSA

    • Ro always maintains a very calm demeanor, even when issues inevitably arise. He is pleasant to work with and able to knowledgeably address complicated issues with professionalism and a can-do attitude.

      Corporate/M&A respondentUSA

    • What makes him unique is not only his client-centric approach but also his ability to guide clients on the strategic considerations they need to keep in mind to align with the corporate vision.

      Corporate/M&A respondentUSA

    • I give him credit for his ability to balance high-level strategic guidance with a practical approach.

      Corporate/M&A respondentUSA
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  • Thomas A. Coll
    Thomas A. Coll

    Thomas A. Coll

    Thomas Coll offers top-quality advice to public and private company clients on domestic and cross-border M&A. He works with prominent life sciences and technology clients.

    • He is very responsive and broadly knowledgeable about our industry.

      Corporate/M&A respondentUSA

    • Tom brings a seasoned understanding of the company’s business and has a very practical approach.

      Corporate/M&A respondentUSA
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  • Anne Lieberman
    Anne Lieberman

    Anne Lieberman

    Anne Lieberman is a growing talent in the M&A market who is experienced representing public and private companies. She has particular expertise in life sciences and technology transactions.

    • Anne is technically excellent, super smart and really good at managing her clients.

      Corporate/M&A respondentUSA

    • Anne is tenacious, very confident and very knowledgeable. She is extremely motivated to guide her clients towards the right outcome.

      Corporate/M&A respondentUSA

    • She knows her craft, works incredibly hard and is very diligent.

      Corporate/M&A respondentUSA

    • She is hyper-responsive, very detailed and always available and willing to help.

      Corporate/M&A respondentUSA

    • Anne is extremely hard-working and has an ability to manage very complex deals and difficult parties on the other side.

      Corporate/M&A respondentUSA
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  • Steven Tonsfeldt
    Steven Tonsfeldt

    Steven Tonsfeldt

    Steven Tonsfeldt is sought out by public and private companies to handle a wide range of domestic and cross-border transactions.
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Ranked Individuals at Cooley LLP (6)

California: Los Angeles & Surrounds

California: San Diego

California: San Francisco, Silicon Valley & Surrou

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