A professional who trains and directs workers in methods of processing fish roe. Respnsibilities include:

• Teaches fish roe processor characteristics, such as color, maturity, and outer appearance of membrane, of egg skeins (membrane-enclosed ovaries, tissue, and fish roe) to enable worker to recognize skeins of different species, appearance of unacceptable skeins, and commercial grades of skeins.
• Demonstrates packing procedures, such as method of lining boxes, placement patterns of processed skeins in boxes, and amount of salt to apply to each layer.
• Directs workers to change brine solution used to preserve skeins and sets timer that controls processing times of skeins in brining vats.
• Retrains workers as necessary.
• Sorts, salts, grades, and packs skeins of fish roe.
• Tests processed egg skeins for nitrate content, using prepared chemical kit, comparison charts, and following kit instructions.
• May direct activities of other workers.