New positions

* J. Schoeneman Inc., a unit of Plaid Clothing Group, announced that Patricia Koehler has been chosen vice president for customer service.

* Heavenly Ham named Helen Shue as manager of its Woodlawn store.

* McCormick & Co., named Larry L. Layton manager, regulatory guidance and technical support.

* Maryland Hotel Supply Co. appointed Patricia Rowen as vice president of finance.

* Sunbelt Beverage Corp. announced that Joseph F. Davolio has been chosen president of its Baltimore-based Churchill Distributors.

* Harbor Court Hotel named Yves Behrens director of food and beverage, Diana Marowski assistant director of sales, and Michelle Robertson sales manager.

Advertising and PR

* Eisner & Associates appointed Jean Miskimon senior account executive.

* W. B. Doner & Co. named Brian Jay Yolles executive vice president and chief administrative officer.

* Kayla Advertising, of Columbia, added Romi P. DeAngelis to its staff.

* Gray Kirk/VanSant has chosen Margot Amelia senior vice president and group supervisor.

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* Richardson, Myers & Donofrio said Lee St. James has joined the agency as senior vice president and associate creative director.

Financial services

* Morgan Financial Group added Jeff Katz to its staff as registered investment adviser.

Legal and insurance

* Royston, Mueller, McLean & Reid announced that John W. Browning and Christine J. Saverda have joined the local law firm.