1 Facilitator Serving South Dakota Click on a name for more details. Sign up online to list your practice in this directory. One more matching Facilitator practices in SD. Check up to 10 acceptable professionals to propose to another party. Submit at the bottom of the page. Acceptable Marilyn Trefz Redwood Mediation & Law 300 N. Dakota Ave. Suite 316 Sioux Falls, SD 57104 USA 6057894960 Email | Website