The St. Louis County Circuit Court is comprised of twenty-one (21) Circuit Judges, fourteen (14) Associate Circuit Judges and eight (8) Commissioners. Each judge and commissioner is assigned to a specific division, except for the Probate Commissioner and Deputy Commissioner.

Click a button below to view Judge/Commissioner by:

Honorable John R. Lasater

Associate Circuit Judge, Division 38

Family Court

John R. Lasater was appointed associate circuit judge in May, 2017, by Gov. Eric Greitens.

Judge Lasater graduated from the University of Wisconsin-Madison with a Bachelor of Science in 1988. He received his law degree from Washington University School of Law in 1991.

Judge Lasater was the law clerk for the Hon. Carl R. Gaertner, Missouri Court of Appeals, Eastern District, from 1991 to 1993. From 1993 until his appointment to the bench he was an assistant prosecuting attorney for St. Louis County.

Judge Lasater is a member of the Missouri Bar, and has served on its board of governors since 2010. He is a member of the St. Louis County Bar Association (president 2007) and Lawyers Association of St. Louis (president 2015-16).

Judge Lasater lives in St. Louis County.

Division 38 uses video technology for all matters including, settlement conferences, motion hearings and trials.

All video matters will be by WebEx and for the link to Division 38 click on the link contained in the box to the right of the screen. All matters in Division 38 may be accessed by the link.

For rules regarding video conferencing appearances and hearings in St. Louis County, please review Administrative Order 43

If parties and/or attorneys need to schedule a matter in Division 38 you may sign up by use of the acuity link or contact the Division 38 clerk at (314) 615-1538.

All matters will be heard via the Webex app. You and/or your attorney will be able to participate by using a laptop or computer with a webcam or your smart phone to access the hearing. You must use a device which will allow you to be visible to the court. Below is the information you will need to join the meeting. Before entering the meeting, you must type in your full name before you can join the hearing. Please join the hearing at least 5 minutes before the designated time in that the virtual hearing time slots are for a specific period of time. Please mute your microphone upon entry to the meeting.

Prior to the hearing, please be sure to download the Webex app, ensure that your video camera works, and rename your Webex username to your full name.

Webex Information:

You may join Division 38 proceedings by entering the Courtroom via Webex by:

* URL:
* Meeting Number: 146 048 4966 ( and "join" the meeting)
* Join by phone: +1-408-418-9388 (tolls apply); enter Meeting Number: 146 048 4966

Recording or creating images of any portion of Court proceedings is strictly prohibited by the Missouri Supreme Court, by Local Rule 9.5, and by standing Order of this Division.

Beginning March 15, 2021, Zoom is no longer being used for order of protection hearings. All order of protection cases are being heard remotely by Webex. You can access Webex by going to or downloading the Webex app on your smart phone or tablet.

Courtroom: 286
Floor: 2 North
Milton Green
Phone: 314-615-1538
Fax: 314-615-5783

WebEx Meeting Link:

Call in number:  1-408-418-9388  (tolls apply)
Meeting number:   146 048 4966

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