New positions
* Columbia Lighthouse for the Blind has selected Dale T. Otto as the new executive director for the 94-year-old service agency for the sight-impaired.
* Suburban Maryland Technology Council announced that Dyan
Brasington has been chosen as president.
* Omni Inner Harbor Hotel has appointed Theresa Brown and Toni Fischer as catering sales managers.
* Saval Foods named Bob Berndt to coordinate the expansion of the Dorsey-headquartered company from a deli foods line to a full-line food services distributor.
* American Environmental Network, has chosen Denise G. Hager as a senior chemist.
Advertising and PR
* Freed & Associates appointed Jeanne M. Brignall traffic manager at the Baltimore-based agency.
* Parks, Ottenheimer & Subotnik has appointed Jennifer Warshawsky to its staff as an art director.
* Image Dynamics announced that Chad G. Stoianoff has joined the firm as a senior account executive, public relations.
* Hanlon & Partners, of Baltimore, named David Krauk art director.
Financial services
* Fidelity & Deposit Companies announced the appointment of William H. Kelley to assistant vice president, financial services division.
Professional
* Morris & Ritchie Associates, engineers, named David M. Buffington, E. Donald Lassahn, Timothy F. Madden, Bruce C. McMillin and Larry O'Laughlin as principals in the firm.
* McCrone Inc. announced that Glenn D. Bowen and Roy Ziegler have joined the Centerville-based engineering firm.
Health care
* Union Memorial Hospital has announced the selection of Susan Athey, rehabilitation and sports medicine, and Carol Robbins, ancillary services, as vice presidents.
* Prudential Health Care Plan selected Tedd Smith as director of human resources for its mid-Atlantic operations group, based in Baltimore.
* Johns Hopkins Hospital appointed Stephen L. Mann as the director of chaplaincy services.