New positions

* Bethlehem Steel Corp. announced the selection of Edroy E. Adams as superintendent of union relations at its Sparrows Point facilities.

Columbus Center Development appointed Phyllis K. DuVal director of institutional development.

* Micros Systems Inc. of Beltsville has chosen Michael D. Schubach as vice president at its Fidelio Software subsidiary.

* Price-Modern Inc. named Jack Huguley vice president of sales, office products division, and Fran Murphy as an account representative.

Legal and professional

* Baltimore City Community College has appointed the following assistant directors: Douglas Holt, customized training; Kip Kunsman, continuing professional education; and James Roberts, training grants and contracts.

Advertising and PR

* Image Dynamics named Jennifer N. Jones and Leslie L. Wilson senior account executives and Donna M. Hasler as an account executive.

Health care

* Johns Hopkins Medical Institutions appointed Dr. Edward D. Miller as professor and director of anesthesiology and critical care medicine.

Commercial real estate

* MacKenzie/O'Conor, Piper & Flynn added J. Scott Wimbrow to its staff as a senior real estate adviser.