Michael Koltonyuk

Sheppard, Mullin, Richter & Hampton LLP

Michael Koltonyuk is a Special Counsel in the Corporate Practice Group in the firm’s Washington, D.C. office. He is also a member of the Private Equity and Mergers and Acquisitions Teams at the firm. Mr. Koltonyuk focuses his practice on private equity, mergers and acquisitions and general company representation.

Mr. Koltonyuk has extensive experience in structuring and negotiating domestic and cross-border transactions on behalf of both U.S. and non-U.S. clients in a wide range of business sectors, including aerospace/defense, automotive and transportation, healthcare, industrial manufacturing and technology. Mr. Koltonyuk has represented private equity firms and their portfolio companies in connection with:

  • Public and private mergers and acquisitions
  • Going private transactions
  • Carve-out acquisitions
  • Consortium arrangements
  • Joint ventures


  • Represented Zemax, LLC (a leader in virtual prototyping software for optical product design and a portfolio company of Arlington Capital Partners) in connection with its auction sale to EQT Partners, a global investment firm
  • Represented The Carlyle Group in connection with a sale of The Nature’s Bounty Co., a global manufacturer and retailer of nutritional supplements, to KKR and LetterOne
  • Represented The Carlyle Group in connection with its acquisition of Dutch fund-of-funds manager, AlpInvest, with approximately US$43 billion of funds under management
  • Represented The Carlyle Group and Revolution Growth in connection with the acquisition of LDiscovery, a data collection, forensic investigation, electronic discovery and data processing company, and LDiscovery in its subsequent acquisition for approximately US$410 million of Kroll Ontrack
  • Represented The Carlyle Group in connection with a sale of its stake in PQ Corporation, a producer of specialty inorganic performance chemicals, high-end catalysts, and engineered glass beads, to CCMP Capital and INEOS
  • Represented Darden Restaurants (NYSE: DRI) in connection with a US$2.1 billion sale of its Red Lobster chain of restaurants to Golden Gate Capital
  • Represented Körber AG in connection with its acquisition of HighJump, a supply chain management and cloud solutions provider, from Accel-KKR
  • Represented Cerberus Capital Management and Ampersand Venture in connection with the acquisition of the blood plasma business from Bayer AG


  • J.D., Harvard Law School, 2001, cum laude, Editor, Harvard Law Review
  • M.S., Massachusetts Institute of Technology, 1998
  • B.S., Columbia University, 1995

Admissions : District of Columbia


Rate : $$$

What types of cases Attorney Michael Koltonyuk & Sheppard, Mullin, Richter & Hampton LLP can handle?
Sheppard, Mullin, Richter & Hampton LLP can handle cases related to laws concerning Corporate, Health Care, Mergers & Acquisitions, Transportation, Project & Equipment Finance, Energy Utilities & Environmental. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is Sheppard, Mullin, Richter & Hampton LLP located?
Sheppard, Mullin, Richter & Hampton LLP is located at 2099 Pennsylvania Ave NW #100, Washington, DC 20006, USA. You can reach out to Sheppard, Mullin, Richter & Hampton LLP using their phone line 202.747.1849. You can also check their website sheppardmullin.com or email them at [email protected].
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