HILLSBORO, MO: 636-797-2665

STE. GENEVIEVE, MO: 573-880-7488

Wegmann Law Firm – Family & Personal Injury Attorney Hillsboro & Jefferson County, MO Wegmann Law Firm building location

shutterstock_104878226 Expert legal service Professional lawyers

Learn more about our firm

The Wegmann Law Firm was originated by a partnership of M.C. Matthes and Will B. Dearing in 1947. M.C. Matthes was a State Senator from the Jefferson County area for many years and left the law firm to become a Judge on the Missouri Court of Appeals, Eastern District in St. Louis and later on the Eighth Circuit United States Court of Appeals. Will B. Dearing was an accomplished trial lawyer in St. Louis with the law firm of Moser, Marsalek and Dearing prior to his entry into the practice in Hillsboro.


Other lawyers who became partners at various times in the firm as it progressed to its present status were: Samuel Richeson, a colorful and able lawyer originating from a legal family in Potosi, Missouri; H.L.C. Weier, from Reynolds County and later Festus, served with the firm until he became an Appellate Judge on the Missouri Court of Appeals, Eastern District in St. Louis in 1969; J. Richard Roberts from the Roberts legal family of Farmington, Missouri, was a Lon Hocker Outstanding Trial Lawyer awardee at the time he joined the firm, and was noted for his trial abilities; John A. Schneider of the Hillsboro publishing family ably served as a distinguished trial lawyer with the firm from 1971 until his death in 1992; Nicholas G. Gasaway, a Merchant Marine Academy Graduate, joined the firm in 1969 and, until his retirement in 2005, concentrated on trial, appellate, real estate, personal injury and probate law, and served as a Municipal Judge in St. Clair, Missouri; A.W. Dieffenbach, working in the areas of personal injury, dissolution of marriage and business law served the firm from 1991 until his retirement in 2008; R.A. Wegmann, was an authority on insurance law and joined the firm in 1965, and was the firm’s most senior member until his retirement in 2013; Randall D. Sherman, specialized in personal injury trial work, business organization and estate planning from 1987 until his retirement in 2013; Jack C. Stewart, worked in municipal, personal injury, estate planning, probate and real estate law from 1970 until his retirement in 2014; and Dennis H. Tesreau, of the Herculaneum family of that name, joined the firm in 1976 and specialized in workers’ compensation, personal injury, medical and municipal law until his retirement in 2015.


The current partners of the firm are: Bianca L. Eden, who specializes in estate planning, estate administration, business organizations, real estate law, probate law and municipal law, and has served the firm since 2000; Jessica A. Mikale, who specializes in family law and municipal law, and has served the firm since 2003; Mark T. Bishop, who specializes in civil litigation, personal injury, workers’ compensation, municipal law, criminal defense and family law, and has served the firm since 2007; and James M. Kreitler, who specializes in business law, estate planning, personal injury and family law, and has served the firm since 2013. The current associates of the firm are: Megan E. Tongue, who specializes in criminal defense, family law, personal injury, municipal law and real estate law, and has served the firm since 2016; and Andrew J. Bauman, who specializes in municipal law/local government law, real estate law, land use law, estate planning, probate law and business law, and has served the firm since 2018.


Members of the firm maintain a substantial presence in community activities in Jefferson and Ste. Genevieve counties.

Our firm has been in Jefferson County since 1947, representing cities, school districts, ambulance districts, sewer districts, water districts and other municipal entities in Jefferson County, along with many local and non-local businesses, banks and individual clients.  Our firm has successfully litigated cases in Jefferson and surrounding counties as well as prevailed on appeals in both the Missouri appellate courts and the Missouri Supreme Court.  

Experienced professionals

A complete range of legal services

We’re a locally-owned practice that’s been providing you with custom solutions since 1947!

Get in touch with us now.



Why Choose Us?

  • Flexible Appointment Availability

  • Personal Attention On Every Case

  • Local Representation

  • AV Rated Since 1976