Robert Orr is vacating the president and CEO positions at Ocean Nutrition Canada Ltd (ONC) to assume the chairmanship. Orr is being replaced in the executive suite by Martin Jamieson, a 30-year food industry veteran who was most recently executive VP at Loblaw Companies with responsibility for its $7-billion private label business. Orr, a co-founder of ONC along with John Risley, will focus on the Halifax-based firm's strategic direction with an emphasis on Omega-3 growth activities. Jamieson will steer the company through an anticipated period of rapid growth and development.