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  • University of Michigan Law School
    J.D., cum laude, 1981)
  • University of Michigan
    B.B.A., with high distinction, 1978)


  • American Bar Association
  • Minnesota State Bar Association
  • Hennepin County Bar Association


  • Minnesota

Dennis M. O'Malley

Managing Partner

4200 IDS Center
80 South 8th Street
Minneapolis, Minnesota 55402
T (612) 371-3273
F (612) 371-3207

Dennis is Lindquist & Vennum’s Managing Partner, a position he assumed in 2011. For 30 years, he has been providing experienced advice and practical legal solutions to his clients. He regularly serves as counsel to private equity funds, strategic purchasers and sellers of businesses, and other investors and owners in middle market transactions across a broad spectrum of industries and locales. He has successfully completed transactions having valuations up to $500 million across a wide range of industries, including:
  • Medical device manufacturers
  • District energy and cogeneration facilities
  • Aviation parts manufacturers
  • Oilfield services firms
  • Steel distributors
  • Recreational and utility vehicle manufacturers
  • Broadline food distributors
  • Collectibles retailers
  • Energy infrastructure
  • Automobile aftermarket suppliers
  • Third party benefit consultants
  • Metals recyclers
  • Manufacturing and distribution companies

  • Guide to Biotechnology Finance, contributing editor, Lindquist & Vennum, 2005

Honors and Awards
  • Best Lawyers in America, 2007–2015