David Lee Vincent III was appointed circuit judge on November 14, 1997, by Gov. Mel Carnahan.
He received his Bachelor of Science degree in electrical engineering from Tennessee State University; in 2001 he was honored as the university's Distinguished Alumnus. He received his law degree from the University of Wisconsin-Madison Law School.
From 1988 to 1993, he was an assistant circuit attorney in the City of St. Louis, where he was assigned to the Homicide Unit and worked as a felony staff supervisor. Judge Vincent was in private practice until his appointment to the bench.
Judge Vincent is a member of the Missouri Bar, Bar Association of Metropolitan St. Louis, Mound City Bar Association and St. Louis County Bar Association. He is a member of the Missouri Supreme Court Board of Certified Court Reporter Examiners and a past member of the Missouri Supreme Court Judicial Finance Commission.
In 2013, Judge Vincent received the Legal Legends Award from the Mound City Bar Association. He was elected to serve on the Missouri Bar Board of Governors from 2008 to 2010.
Judge Vincent coaches Marquette High School in the Missouri High School Mock Trial competition, sponsored by Bar Association of Metropolitan St. Louis; and prepares annual strategy notes for use by high school mock trial teams across Missouri. He also is spearheading the St. Louis County Circuit Court's truancy reduction program, working with at-risk students in St. Louis County area public school districts and currently assigned to the Jennings School District. He is a former board member of Artists First and St. Louis 4 Kids, nonprofit organizations.
Judge Vincent lives in St. Louis County with his wife and family.