Carole Roberds. Board Chairperson. Brenda Callahan-Johnson. Executive Director. MERCED COUNTY COMMUNITY ACTION AGENCY. 1235 W. Main St., Merced, CA. (209) 723-4565. FAX (209) 723-1543. MAILING ADDRESS. P.O. Box 2085, Merced, CA 95344-0085. JOB DESCRIPTION. ECM Case Manager (On-Site). HOUSING & SHELTER SERVICES. . OVERVIEW. . Under the supervision of the Enhance Care Management Manager. This position will require outreach, case management, tenant...