Harold Callo Sanchez

Harold Callo Sanchez

Associate, Corporate


Harold Callo focuses on cross-border corporate transactions, including mergers and acquisitions and capital markets deals. Mr. Callo’s representations include advising:

  • Borr Drilling Limited on its:
    • US$1.5 billion Rule 144A/Regulation S high-yield offering of senior secured notes issued in two tranches due 2028 and 2030
    • SEC-registered follow-on offering of 69.4 million common shares, which raised gross proceeds of US$250 million
    • at-the-market (ATM) offering program of up to US$40 million of common shares
  • Atlantica Sustainable Infrastructure plc on its:
    • US$400 million Rule 144A/Regulation S high-yield offering of 4.125% green senior notes due 2028
    • ATM offering program of up to US$150 million of ordinary shares, the first-ever such offering by a U.K. company
  • L’Occitane International S.A. on its acquisition of 83% of Sol de Janeiro Holdings, Inc. at an enterprise value of US$450 million
  • Goldman Sachs, as underwriter, on the €400 million initial public offering of Hedosophia European Growth, a special purpose acquisition company, on Euronext Amsterdam
  • Himalaya Shipping Ltd. on its US$51.5 million initial public offering of ordinary shares and listing on the New York Stock Exchange
  • Adevinta ASA on its sale of Gumtree UK and Motors.co.uk to a consortium consisting of O3 Industries and Novum Capital

Mr. Callo also is experienced in advising clients on SEC reporting requirements and other U.S. securities law matters, and has represented clients such as Atlantica Sustainable Infrastructure plc, Borr Drilling Limited, Himalaya Shipping Ltd and DRDGOLD Limited in such issues.

Prior to joining Skadden, Mr. Callo spent several years practicing at a major Peruvian law firm in Lima and at a leading U.S. law firm in New York.



  • LL.M., New York University School of Law, 2019
  • LL.B., Pontificia Universidad Catolica del Peru, 2011


  • New York
  • Peru


  • Spanish
  • English

Harold Callo Sanchez