---
title: "Mark E. Herr | KnowJudges"
canonical: "https://knowjudges.com/kyj/judge/mark-e-herr"
page_type: "judge_profile"
updated: "2026-07-26"
---

# Mark E. Herr

Florida Eighteenth Judicial Circuit Court · Circuit Judge

## Profile

- Court: Florida Eighteenth Judicial Circuit Court
- State: Florida
- Role: Circuit Judge
- Service status: active
- Last verified: 2026-07-26

## Summary

Official statewide and applicable court procedural guidance applies to this judge.

## Before you appear

- Read the judge-specific standing order first when one is listed.
- Check the docket and case orders for requirements that supersede broader guidance.
- Confirm current remote-access and courtroom technology arrangements before the proceeding.

## Courtroom Rules

### media and still photography

Scope: statewide

Electronic media and still-photography coverage is allowed in Florida public trial and appellate proceedings under Rule 2.450's equipment and conduct standards, always subject to the presiding judge's control of decorum, distractions, and fair administration.

Evidence excerpt: Subject at all times to the authority of the presiding judge to: (i) control the conduct of proceedings before the court; (ii) ensure decorum and prevent distractions; and (iii) ensure the fair administration of justice in the pending cause, electronic media and still photography coverage of public judicial proceedings in the appellate and trial courts of this state shall be allowed

[Florida Rule of General Practice and Judicial Administration 2.450, Media and Still Photography Coverage](https://ninthcircuit.org/florida-rule-judicial-administration-2450)
Source checked: 2026-07-26


## Sources

- [Official profile](https://flcourts18.org/directory/)
- [Official roster](https://flcourts18.org/directory/)
- [Florida Judicial Branch circuit court administration official judicial roster](https://flcourts18.org/directory/)
- [Florida Rule of General Practice and Judicial Administration 2.450, Media and Still Photography Coverage](https://ninthcircuit.org/florida-rule-judicial-administration-2450)

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## Biography

### Professional career

- Recent cases show Judge Herr presiding over family law matters such as child support and divorce filings in 2026
- Private practice attorney (1989–2000) Traffic Court hearing officer (1998–2000)
- Assistant State Attorney, Eighteenth Judicial Circuit (1986–1988)
- Overview Judge Mark E. Herr serves in the Eighteenth Judicial Circuit of Florida, covering Seminole County
- Judge Mark E. Herr remains an active and long-serving judicial figure in Seminole County’s Eighteenth Judicial Circuit

### Education

- Seminole County judge in Florida’s Eighteenth Judicial Circuit, first elected in 2000, with a background in criminal, traffic, and family law, and a J.D. from Mercer University (1985)
- Mercer University, Walter F. George School of Law — J.D. (1985)
- Stetson University — B.A. (1982)

### Additional information

- Served as Administrative Judge of the Criminal Division (2007–2015, 2017–present)
- Elected to the Seminole County bench in 2000; reelected in 2012
- Named 2011 Judge of the Year by the Seminole County Bar Association
- He was first elected in 2000 and has served multiple terms, including administrative roles in the Criminal Division



## Published courtroom rules

### Shared court rules

- [Florida Rule of General Practice and Judicial Administration 2.450, Media and Still Photography Coverage](https://knowjudges.com/courtroom-rules/national-shared-set-f9444c394a89ab9f4ffde994) — Scope is limited to the court class in the source claim.  Shared court context only; case-type restrictions, exceptions, later amendments and case orders apply. This is not a personal preference or a complete rules inventory. [Official source](https://ninthcircuit.org/florida-rule-judicial-administration-2450). Collected 2026-07-26.