Dianna Lee

Dianna Y. Lee

Dianna Y. Lee
New York
+1 212 459 7320

Dianna Lee is a partner in Goodwin’s Private Equity practice. She represents private equity sponsors and their portfolio companies, growth equity funds, pension funds, private and public companies, and other strategic and financial investors on a broad range of M&A, corporate governance, and regulatory matters. Dianna has extensive experience advising on mergers, acquisitions, leveraged buy-outs, divestitures, co-investments, joint ventures, carve-outs, equity restructurings, and other complex domestic and cross-border corporate transactions. Her practice spans a variety of industries including technology, healthcare, financial services, telecommunications, asset management, and energy and infrastructure.


Dianna’s experience includes representing

  • Incident IQ in its partial equity sale to Cove Hill Partners 
  • Varsity Healthcare Partners in the sale of Angels of Care
  • TA Associates in its investment in Computer Services Inc.
  • Branching Minds in its growth equity investment from Bain Capital Double Impact
  • TA Associates in its investment in Cash Flow Management (d/b/a/ Kinective)
  • Accel Partners in its co-investment, alongside Bain Capital Tech Opportunities, in Blackpoint Cyber
  • Tinicum Incorporated in its acquisition of PMI Group 
  • CPP Investments and OMERS Infrastructure in the joint sale of their interests in the Chicago Skyway toll road*
  • Ares Climate Infrastructure Partners in its acquisition of Underline Infrastructure Services*
  • Astorg Partners in the add-on acquisition of JGM Fund Services and JGM Fund Administration for IQ-EQ, its portfolio company*
  • One Equity Partners in its carve-out acquisition of PGW Auto Glass from LKQ Corporation*
  • Energy Capital Partners in its acquisition of Restaurant Technologies*
  • Onex Partners in its strategic investment in Resource Environmental Solutions*
  • Leonard Green & Partners in the sale of MDVIP to West Street Capital Partners*
  • Ares Management Corporation in its acquisition of Black Creek Group’s US real estate investment advisory and distribution business*
  • ArcLight Capital Partners in its acquisition of a minority interest in Natural Gas Pipeline Company of America*
  • SGS SA in its carve-out divestiture of Petroleum Service Corporation*
  • Montagu Private Equity in its carve-out acquisition of RTI Surgical’s OEM and tissue processing business*
  • SoftBank Group in its agreement to provide debt and equity financing to WeWork, and in connection with revisions to the WeWork governance structure*
  • Providence Equity Partners in the sale of Grupo TorreSur’s Brazilian cell tower business*
  • Lee Equity Partners in its acquisition of McLarens Global*
  • EQT Infrastructure in its acquisition of Direct ChassisLink*

*Denotes experience prior to joining Goodwin

Professional Activities

Dianna serves as the co-chair of Women@Goodwin in New York, and is a member of the firm’s Hiring Committee. She is also a member of the American Bar Association, the Asian American Bar Association of New York, and the LGBT Bar Association of New York.

Professional Experience

Prior to joining Goodwin, Dianna was at Latham & Watkins. Previously, she practiced at other leading international law firms in New York, London, and Hong Kong.




New York University School of Law


College of Law



BPP Law School



University of Oxford


Yale University



  • New York
  • England & Wales
  • Hong Kong