Sullivan & Cromwell LLP Logo Sullivan & Cromwell LLP Logo
  • Lawyers
  • Practices
  • Insights
  • About
  • Careers
  • Alumni
  • Twitter icon
  • LinkedIn icon
  •  icon
  • Podcasts icon
© 2025 Sullivan & Cromwell LLP
    • Home
    • Lawyers
    • Practices
    • Insights
    • About
    • Careers
    • Alumni
    Home /  Lawyers /  Ha Jin Lee

    Ha Jin Lee

    Partner

    New York +1-212-558-4000
    leeha@sullcrom.com
    Ha Jin Lee Headshot Photo

    New York

    +1-212-558-4000

    |

    leeha@sullcrom.com

    Email vCard

    Tessa Lee is a partner in the Firm’s Tax Group. Her practice covers a wide variety of matters including mergers and acquisitions, partnership transactions, real estate and REIT transactions and structured products.

    Read More

    Spotlight

    S&C Advises Gildan on $1.2 Billion Notes Offering

    Read More

    S&C Advises Gildan in $4.4 Billion Acquisition of HanesBrands

    Read More
    consumerretail-3-508x260

    S&C Advises B-Flexion in Boston Pharmaceuticals’ $2 Billion Sale to GSK

    Read More
    • Experience
    • News
    • Credentials
    • Related Practices
    Experience

    Experience

    • CBRE Group in its:
      • $1.2 billion acquisition of Pearce Services from New Mountain Capital
      • acquisition of Direct Line Global from Guardian Capital
    • UnitedHealth Group in:
      • Optum’s $3.3 billion acquisition of Amedisys
      • its $6 billion acquisition of LHC Group, Inc.
      • connection with Optum’s $13 billion acquisition of Change Healthcare
      • its $2.2 billion sale of the claims editing business (ClaimsXten) of Change Healthcare Inc. to an affiliate of TPG Capital
      • its $4.3 billion acquisition of the DaVita Medical Group segment of DaVita Inc.
    • Gildan Activewear in its $4.4 billion acquisition of HanesBrands

    • Lazard in its:
      •  $300 million aggregate offering of senior notes
      • conversion from a publicly traded partnership to a U.S. C-Corporation under Delaware Law and changing its name from Lazard Ltd to Lazard, Inc.
    • Merck KGaA in its $3.9 billion acquisition of SpringWorks Therapeutics, Inc.
    • Boston Pharmaceuticals in the acquisition of its lead asset, efimosfermin alfa, for up to $2 billion, by GSK plc
    • Nippon Steel Corporation in its sale of equity interests in AM/NS Calvert to ArcelorMittal S.A.
    • Goldman Sachs in its:
      • sale of its wholly-owned subsidiary, OOO Goldman Sachs Bank, to Balchug Capital
      • €1.7 billion acquisition of NN Investment Partners
      • $2 billion acquisition of GreenSky
      • acquisition of Folio Financial
      • acquisition of Clarity Money
    • Hanzade Dogan in its stock purchase agreement with Kaspi.kz to sell 65.41% of total outstanding Class A and B shares of Hepsiburada
    • Tadano in its $223 million acquisition of Manitex International
    • Incyte’s acquisition of MorphoSys’ tafasitamab, a humanized Fc-modified CD19-targeting immunotherapy marketed in the U.S. as Monjuvi® and outside of the U.S. as Minjuvi®
    • Bank of America, Barclays, Citadel Securities, Citibank, Goldman Sachs, J.P. Morgan and Wells Fargo in their minority investment in Fenics Markets Xchange
    • DISH Network in its merger with EchoStar
    • GS Principal Investment Area in:
      • the acquisition DOXA Parent Holdings, LLC (DOXA)
      • the acquisition of all the issued and outstanding shares of CommunityLend Holdings Inc.
      • West Street Capital Partners’ plan of arrangement, pursuant to which an entity controlled by certain investment funds affiliated with West Street acquired C$1.13 billion of all issued and outstanding shares of People Corporation
    • PacWest Bancorp in its merger with Banc of California
    • FGS Global Inc. in its CAN$72 million acquisition of Longview Communications and Public Affairs and $8 billion sale of 29% stake to KKR
    • Credit Suisse/UBS in:
      • in its $3.3 billion merger with UBS
      • in connection with its agreement with Apollo to conclude investment management and transition services agreements with Atlas SP
      • in the sale of its Securitized Products Group and other related financing businesses to Apollo
    • JPMorgan Chase in its acquisition of Aumni
    • Symbotic in its:
      • establishment of GreenBox Systems with SoftBank and its approximately $7.5 billion new customer contract with GreenBox
      • $200 million acquisition of Advanced Systems and Robotics business from Walmart
      • $5.5 billion merger with SVF Investment Corp. 3, a SPAC sponsored by an affiliate of Softbank Investment Advisers, and the $205 million common equity PIPE in connection with the transaction
    • DigitalBridge (f/k/a Colony Capital) in its:
      • $316 million acquisition of AMP Capital's global infrastructure equity investment management business
      • acquisition of Wafra to acquire Wafra’s 31.5% ownership in DigitalBridge’s investment management subsidiary for a transaction consideration of $800 million
      • $3.2 billion sale of its Wellness Infrastructure business to Highgate Capital Investments, L.P, and Aurora Health Network
      • acquisition of a controlling stake in Vertical Bridge Holdings, LLC
    • Joe Tsai in the launch of BK-XL, an early-stage startup accelerator program focused on BIPOC founders based in Brooklyn
    • Piper Sandler in its acquisition of DBO Partners
    • AIG in its sale of its Affordable Housing platform to Blackstone Real Estate Income Trust
    • Goldman Sachs Asset Management in connection with its investing, investment management and capital-raising activities, including various joint ventures, acquisitions, dispositions, financing, restructurings, workouts and fund formations and operations relating to industrial/logistics, multi-family housing, student housing, office, retail and hotel properties, including:
      • $132.5 million acquisition of the Good Hotel, the Hotel Vertigo, the Carriage Inn and the Americania Hotel, each in San Francisco, California, in a joint venture with Oxford Capital Group, who will serve as the operating member of the venture
      • purchase of an 11 asset portfolio of office and mixed use properties in Denver, Lakewood, and Boulder, Colorado, and Seattle, Washington, from Unico Partners I REIT, LLC, a fund managed by Unico Investment Group
    • Madison Square Garden Entertainment in its merger with MSG Networks, Inc.
    • Blue Pool Capital, in its investment in Owl Rock Capital Group and in connection with Owl Rock Capital and Dyal Capital Partners’ formation of Blue Owl Capital
    • Vornado Realty Trust in its $6 billion spin-off of JBG Smith Realty Trust and combination with JBG RMT
    Read More
    News

    News

    • S&C Advises Gildan on $1.2 Billion Notes Offering

      October 16, 2025
    • S&C Advises Gildan in $4.4 Billion Acquisition of HanesBrands

      August 14, 2025
    • S&C Advises B-Flexion in Boston Pharmaceuticals’ $2 Billion Sale to GSK

      May 30, 2025
    • Ha Jin (Tessa) Lee Featured in The American Lawyer’s ‘How I Made It’ Series

      February 11, 2025
    • S&C Advises Symbotic in Acquisition of Walmart’s Advanced Systems and Robotics Business

      January 23, 2025
    • S&C Advises the Otto Bremer Trust in Bremer Financial’s $1.4 Billion Acquisition by Old National

      November 27, 2024
    Read More
    Read More
    Credentials

    Credentials

    Education

    • Northwestern Pritzker School of Law, J.D., 2015
    • Seoul National University, M.A., 2010
    • University of Michigan, B.A., 2004

    Bar Admissions

    • New York

    Languages

    • Korean
    Read More
    Related Practices

    Related Practices

    • Tax
    Sullivan & Cromwell LLP Logo

    Sending an e-mail through this web site does not create an attorney-client relationship. You should not send us any information through this web site that you would want treated confidentially.

    Accept
    Sullivan & Cromwell LLP Logo Sullivan & Cromwell LLP Logo
    • Twitter icon
    • LinkedIn icon
    • RSS Feed icon
    • Podcasts icon
    • Home
    • Contact Us
    • Information Policy Relating to Cookies
    • Privacy Policy
    • California Privacy Policy
    • Website Notice
    • Attorney Advertising Notice
    © 2025 Sullivan & Cromwell LLP