Carey W. Plummer has joined Focus Healthcare of Ohio, Maumee, as chief executive officer.
The accounting firm of Ernst & Young, Toledo, has promoted Daniel L. Frick to managing partner from coordinating partner.
Nelson E. Shaffer has joined FirstMerit Corp., Toledo, as vice president, commercial banking. Also joining FirstMerit Corp. is Thomas A. Ostrosky as vice president, retail banking.
People and Business Achievements, with news of management promotions, corporate board appointments, and awards, runs each week. Send announcements to Becky Baker, The Blade, P.O. Box 921, Toledo, O., 43697-0921. Write "Business Achievements" on the envelope. Photos become the property of The Blade and will not be returned.