Mo. R. Gov. Bar Jud. 5.04
Advisory Committee Regulation Re: Rule 5.04
(a) No disciplinary hearing officer shall provide legal representation to anyone involved in any Missouri attorney discipline matter.
(b) No attorney in a firm in which a disciplinary hearing officer is associated may provide legal representation, as described above, unless the attorney who is a disciplinary hearing officer is screened in the manner set forth in Rule 4-1.11(b).
(c) No disciplinary hearing officer shall serve or be retained as an expert witness in a legal malpractice case in Missouri.