Opsens Inc. held its annual general shareholders' meeting at its head office in Quebec City, Canada. Claude Belleville Announces His Retirement From company. After co-founding and evolving with company for the past 14 years, Mr. Belleville is retiring as Vice President, Medical Devices. To ease the transition, Mr. Belleville will continue as a consultant for the company. His duties will be reassigned to several people within the company.