Shintaro Hamasu

Atsumi & Sakai - Japan

Senior Partner


+81 3 5501 1169

Notable practitioner


Bar admissions:




Practice areas:

Project finance

Shintaro Hamasu has been a partner at Atsumi & Sakai since 2015. Mr. Hamasu is a core member of the M&A Practice Group and the Finance Practice Group. He has significant M&A experience, advising both Japanese and non-Japanese clients on domestic and cross-boarder M&A transactions. He also advises banks and other financial institutions in areas including acquisition finance, real estate finance, asset finance, securitisation, project finance and debtor-in-possession finance.

  • Advised a major listed Japanese manufacturing company on the acquisition of a majority shareholding health care company.
  • Represented a client on the acquisition of the issued and outstanding equity interests in a US limited liability company.
  • Advised a major listed bank for their acquisition finance in an acquisition by a major private equity fund.

  • Banking and finance
  • Corporate and M&A

  • Banking and financial services
  • Infrastructure
  • Pharmaceuticals and life sciences
  • Real estate

  • Tokyo Bar Association

  • University of Southern California (USC) Gould School of Law (LL.M., 2012)
  • Waseda University (B.A. 2000)