Main Menu Jump to Content Search
Attorney Search
Photo of Kenneth S. Mantel

Kenneth S. Mantel

Print PDF


  • Ken has been consistently named for inclusion to the New York Super Lawyers Rising Stars list, a Thomson Reuters lawyer rating service for lawyers under 40, since 2014.


J.D., New York University School of Law, 2006

  • Environmental Law Journal

B.A., cum laude, Duke University, 2003

Bar & Court Admissions

  • New York, 2007

Kenneth S. Mantel represents corporate clients in securities, transactional and general business matters, and advises investors in potential activist situations.

Ken regularly advises public companies on securities laws, SEC reporting and corporate governance.  He also represents corporate clients across a broad spectrum of transactional and general business matters, ranging from M&A to equity and debt financings to key business partnerships and commercial contracts.

Part of Olshan's Activist & Equity Investment Practice Group, Ken advises investment funds regarding their equity investments in public companies, including Schedule 13D and Form 13F filings, corporate governance, potential activist situations and proxy contests.  His significant representations include successful activist campaigns for Elliott Management and Starboard Value.

Ken has been named a New York “Rising Star” by Super Lawyers magazine each year since 2014.

Mergers & Acquisitions
  • Represented Alleghany Corporation, a NYSE-listed multinational holding company with a core position in property and casualty reinsurance and insurance, in acquisitions of controlling interests in privately held companies, including R.C. Tway Company, LLC, a manufacturer of custom moving vans for the moving and storage industry, and Bourn & Koch, Inc., a manufacturer and re-manufacturer/retrofitter of precision machine tools.
  • Represented Remark Media, Inc., a Nasdaq-listed global digital media company, in its acquisition of a developer and operator of hotel booking applications.
  • Represented ATRM Holdings, Inc., a holding company listed on NYSE MKT, in its acquisition of a manufacturer of modular housing units.
  • Represented Ness Technologies, Inc., a global provider of information technology solutions and services listed on the Nasdaq Global Select Market and the Tel Aviv Stock Exchange, in its merger with an affiliate of Citi Venture Capital International, a global private equity investment fund.
  • Represented New Century Equity Holdings Corp., a publicly traded holding company, in its acquisition of Wilhelmina International, Ltd., a privately held fashion model management company, and its affiliated entities.
Financing and Capital Markets
  • Represented Alleghany Corporation in a $300 million public offering of senior notes.
  • Represented Remark Media, Inc. in various private placements of equity and debt securities.
  • Represented The LGL Group, Inc., a holding company with subsidiaries engaged in the design, manufacture, and sale of standard and custom engineered electronic components, in a public offering of its common stock.
  • Represented CorMedix Inc., a pharmaceutical company focused on developing and commercializing therapeutic products for the treatment of cardiorenal disease, in its initial public offering. 
Proxy Contests and Negotiated Board Representation
  • Represented Starboard Value LP in various successful proxy contests, including with Tessera Technologies, Inc. (all six Starboard nominees elected to the 10-member board) and DSP Group, Inc. (two Starboard nominees elected to the board).

Media Mentions/News


Back to Page