Rex Fennessey

Partner
Licensed to Practice: State of Missouri

Rex represents employers in all facets of labor and employment law. He is widely recognized in the field of wage and hour litigation, and has represented clients in numerous class action and collective action lawsuits. He defends employers against discrimination claims in Federal and State courts and before administrative agencies.

Rex represents employers before the NLRB in representation matters and unfair labor practice charges. He also assists clients with investigations and audits before the U.S. Department of Labor. Rex also routines advises governmental entities, non-profit and charitable organizations on a variety of legal compliance matters.
Rex is a sought-after speaker on many employment topics. His presentations include wage-and-hour compliance, employee leave issues, garnishments, and a variety of labor and employment legal updates.
Prior to joining McMahon Berger, Rex served for six years as Assistant Attorney General for the State of Missouri.
  • United States Court of Appeals, Eighth Circuit
  • United States District Court, Southern District of Illinois
  • United States District Court, Eastern District of Missouri
  • United States District Court, Western District of Missouri
  • United States District Court, Southern District of Texas
  • United States Tax Court

Rex Fennessey

Partner
Licensed to Practice: State of Missouri

Rex represents employers in all facets of labor and employment law. He is widely recognized in the field of wage and hour litigation, and has represented clients in numerous class action and collective action lawsuits. He defends employers against discrimination claims in Federal and State courts and before administrative agencies.

Rex represents employers before the NLRB in representation matters and unfair labor practice charges. He also assists clients with investigations and audits before the U.S. Department of Labor. Rex also routines advises governmental entities, non-profit and charitable organizations on a variety of legal compliance matters.
Rex is a sought-after speaker on many employment topics. His presentations include wage-and-hour compliance, employee leave issues, garnishments, and a variety of labor and employment legal updates.
Prior to joining McMahon Berger, Rex served for six years as Assistant Attorney General for the State of Missouri.
  • United States Court of Appeals, Eighth Circuit
  • United States District Court, Southern District of Illinois
  • United States District Court, Eastern District of Missouri
  • United States District Court, Western District of Missouri
  • United States District Court, Southern District of Texas
  • United States Tax Court
  • Education
  • Professional Associations
J.D. (Alternative Dispute Resolution Certificate) | B.A. (cum laude)
2003
Member | Executive Committee on Legislation | Foundation Representative (2016-present) | Foundation Fellow (2018) | Young Lawyers Section Representative, District 8 (2013-2016)
Member
Member
Member | Young Lawyers Division (2018)

Community Involvement

Board Member

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