Mark M. Leitner

Erin Deeley is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Litigation - Environmental. Erin, who practices law in Milwaukee, Wisconsin, has been recognized since 2027. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Erin is held by other top lawyers in the same geographic and legal practice area.

Robert J. Heath is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Robert J., who practices law in Milwaukee, Wisconsin, has been recognized since 2003. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert J. is held by other top lawyers in the same geographic and legal practice area.

Chris Koehnke is a Shareholder at von Briesen & Roper, s.c. focusing on restructuring, insolvency, and commercial litigation. Chris represents lenders and other creditors with respect to the following: Representing secured creditors and other lenders in all stages of bankruptcy litigation Representing creditors in State Court Chapter 128 receivership proceedings, including issues related to lien priority, asset disposition, and settlement of preference claims Guiding clients through the p...

Monte E. Weiss is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Insurance Law, Litigation - Insurance, Mediation and Personal Injury Litigation - Defendants. Monte E., who practices law in Mequon, Wisconsin, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Monte E. is held by other top lawyers in the same geographic and legal practice area.

Dean P. Laing has been with O’Neil, Cannon, Hollman, DeJong & Laing S.C., a 50-plus attorney law firm headquartered in Milwaukee, Wisconsin, for over 42 years since graduating cum laude from Marquette University Law School in 1983. He was on the firm’s Board of Directors from 1990 to 2023, and was the firm’s President from 2015 to 2020. Mr. Laing is board certified in Civil Trial Advocacy and Civil Pretrial Practice Advocacy by the National Board of Trial Advocacy, and i...

Oyvind Wistrom is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Oyvind, who practices law in Milwaukee, Wisconsin, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Oyvind is held by other top lawyers in the same geographic and legal practice area.

Daniel R. Johnson is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property, Patent Law and Trademark Law. Daniel R., who practices law in Milwaukee, Wisconsin, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel R. is held by other top lawyers in the same geographic and legal practice area.

Travis R. Mueller is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Travis R., who practices law in Milwaukee, Wisconsin, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Travis R. is held by other top lawyers in the same geographic and legal practice area.

Kristin Langhoff is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law, Land Use and Zoning Law and Real Estate Law. Kristin, who practices law in Milwaukee, Wisconsin, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kristin is held by other top lawyers in the same geographic and legal practice area.

Mike Carlton worked as a trial attorney at the U.S. Department of Justice in Washington, D.C., representing the EPA and other government agencies. Thereafter, he worked as a senior attorney and policy analyst with the Environmental Law Institute, and then as Wisconsin counsel for a national environmental organization. Mike has taught and studied environmental law and policy in Washington, D.C., London, and the University of Wisconsin Law School. Mike heads the firm’s Environmental Law P...