Big Shot Productions, a Baltimore-based video and film production company, appointed Larry Collins senior vice president.
Schiller, Holinsky & Co., an accounting and management consulting firm in Owings Mills, elected Alan Weinberg to the board of directors.
Imperial Premium Finance in Baltimore named Nelson N. Walker vice president of national marketing.
Signet Bank in Baltimore appointed S. Fay Miller assistant vice president in the consumer real estate division and Jo Ann Kerzel officer in the commercial finance division.
PSA Capital Management in Lutherville appointed Alan E. Seider capital management consultant.
Blue Cross and Blue Shield of Maryland named Steve Kousouris director of marketing for national accounts and Mike Dupont director of underwriting for national accounts.
Sandy Spring National Bank in Olney named Pam Roberts and Tom McDowell assistant vice presidents in the commercial lending department.
Legal and professional:
Shulman, Rogers, Gandal, Pordy & Ecker, a regional law firm in Rockville, appointed Michael V. Nakamura and Paul A. Bellegarde associates.
Levan, Schimel, Belman & Abramson, a law firm in Columbia, named Carol B. O'Keeffe principal and R. Stephen Carroll associate.
Russell Coburn & Co., a Columbia accounting firm, appointed Michael S. Barron partner and principal in charge of the tax department.
Michael C. Hodes, a law firm in Towson, named Mary Ann Hammel associate.
Semmes, Bowen & Semmes, a Baltimore law firm, named Cory M. Amron counsel in the Washington office.
Optioncare, a home intravenous and nutritional therapy service affiliated with Washington Heights Pharmacy, appointed Patricia L. Fisher patient-care coordinator.
Columbia Psychological Services appointed Dr. Helen D. Lann and Dr. Louisa R. Thompson practitioners.
Chesapeake Realty Management Co., an affiliate of the Baltimore real estate development company Macks & Macks Inc., elected Mildred Hemstetter vice president of the apartment management company.
Belt's Realty Services Inc. in Baltimore named Lauren T. Brown marketing manager.
Grey Rock Inc., developers of more than 240 houses on a 52-acre lot in Baltimore, named Amy H. Cahn sales assistant for the Village of Grey Rock.
Lipman Frizzell & Mitchell, a real estate consulting firm in Lutherville and Silver Spring, named James C. Feeney partner.
Latshaw & Zink Realtors of Baltimore named Anthony J. Sacco associate broker.
Continental Realty Corp., a Towson developer and real estate management company, promoted Mary Vizzini to property manager for six CRC properties in Maryland and Virginia.
Crestwood Homes Inc. in Greenbelt appointed Cindy Taylor general manager.
American Family Homes in St. Charles named Patricia W. Jenkins vice president of marketing.
Advertising and P.R.:
James Holechek Public Relations Inc. in Baltimore announced that Richard R. Badmington will succeed James A. Holechek as principal. Holechek sold the firm to Badmington in August and will continue with the firm as a consultant.