• Harvard University, A.B. Mathematics (1984) With Honors
  • Columbia Law School, J.D. (1988)
  • Georgetown University, LL.M. Taxation (1998)


  • District of Columbia
  • New York

Charles C. Hwang


Charles C. Hwang is an experienced transactional tax lawyer. Charles has reviewed and assisted in the negotiation and drafting of numerous merger agreements; stock purchase agreements; asset purchase agreements; partnership, joint venture, and limited liability company agreements; contribution agreements; and executive compensation agreements, and he has provided tax advice in connection with many other transactions, including rollover and startup transactions and loans. Representative transactions include the acquisitions of publicly held corporations, the restructuring and sales of distressed businesses, the formation of consortia to trade financial derivatives, the restructuring of international operations, and taxable and tax-free mergers and reorganizations. He also counsels tax-exempt organizations on unrelated business income tax and exemption issues, including royalty, investment, and structural issues.


Professional Activities and Memberships

  • Member, Taxation Section, American Bar Association
  • Member, Taxation Section, D.C. Bar Association

Representative Matters

  • Represented a publicly traded software company in numerous acquisitions in the United States.
  • Represented a tax-exempt health care organization in a multibillion-dollar change of control transaction involving a similar tax-exempt health care organization doing business primarily in another state.
  • Represented a leading chemicals company in the auditing and litigation of research credit issues.
  • Represented various government contractors in acquisitions or sales of S corporation target companies.
  • Advised on partnership tax issues in audits of Fortune 500 companies.
  • Advised on supporting organization structures for leading tax-exempt organizations.
  • Advised numerous emerging companies on qualified small-business stock issues.
  • Advised various non-U.S. companies on U.S. tax implications of investments or operations in the United States.
  • Wrote a report and testified as a tax expert in an international arbitration proceeding involving a cross-border transaction.


Speeches & Presentations


Client Alerts & Newsletters

Press Coverage

Firm News & Announcements

September 14, 2021 DEAL NOTE: Crowell & Moring Represents Honeywell in Investment in Aviation Biofuels Company Alder Fuels
February 8, 2021 DEAL NOTE: Crowell & Moring Advises Onyx Inc. in its Acquisition by
May 15, 2020 DEAL NOTE: Crowell & Moring Advises GigCapital3, Inc. on $200 Million IPO
January 2, 2020 DEAL NOTE: Crowell & Moring Advises Flux7 Labs in its Acquisition by NTT Data
December 16, 2019 DEAL NOTE: Crowell & Moring Advises Humana Inc. on Acquisition of Enclara Healthcare
November 26, 2019 DEAL NOTE: Crowell & Moring Advises GigCapital, Inc. on Business Combination with Kaleyra S.p.A. to Form Kaleyra, Inc.
June 27, 2019 DEAL NOTE: Crowell & Moring Assists Clearway Energy, Inc. in the Repowering of Two Wind Energy Projects
June 6, 2019 DEAL NOTE: Crowell & Moring Advises GigCapital2, Inc. on $150 Million IPO
November 21, 2018 DEAL NOTE: Crowell & Moring Represents Novume Solutions in Acquisition of OpenALPR
December 8, 2017 DEAL NOTE: Crowell & Moring Advises GigCapital, Inc. on $125 Million IPO
September 20, 2017 DEAL NOTE: Crowell & Moring Represents KeyStone Solutions Inc. in Merger with Brekford Traffic Safety Inc.
May 5, 2016 Deal Note: Crowell & Moring’s Team Represents OpenText in its $100 Million Dollar Acquisition of ANXe Business Corp.
April 3, 2014 Deal Note: Crowell & Moring Represents Client Judith Ripka in Sale of Brand Name and IP
April 23, 2013 Deal Note: Crowell & Moring Advises on H.I.G.'s Acquisition of Pegasus Financial Services