ANN ARBOR—Administrative appointments approved by the University of Michigan Regents at their March 20 meeting included:

David H. Baum, director of student services at the Law School, will become assistant dean of students, effective March 1.

Charlotte H. Johnson, director of academic services at the Law School, will become assistant dean of students, effective March 1.

William C. Martin, president of First Martin Corp., an Ann Arbor real estate development firm, will be U-M’s interim director of athletics, effective

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