Opsona Therapeutics appoints chief medical officer Opsona Therapeutics appoints chief medical officer Chief executive steps down for personal reasons Robert Hansen becomes ceo of Dow Corning Robert Hansen becomes ceo of Dow Corning Stephanie Burns remains chairman Algeta appoints business development director Algeta appoints business development director Aims to advance Thorium technology and expand pipeline Richard Proehl becomes vp of manufacturing at CML Richard Proehl becomes vp of manufacturing at CML Has spent more than 30 years in API manufacturing Avantor Performance Materials makes appointments Avantor Performance Materials makes appointments Three executives take senior roles at US chemicals and materials firm Michael Davis becomes Cyanotech chairman Michael Davis becomes Cyanotech chairman Hawaiian microalgae technology company looks forward to continuing support of its major shareholder Novavax makes further senior management appointments Novavax makes further senior management appointments Two new vice presidents join the vaccines company AAIPharma Services appoints Maffuid as evp operations AAIPharma Services appoints Maffuid as evp operations Will have responsibility for drug product development services functions Chester Medical expands sales team Chester Medical expands sales team Mike Mills becomes sales manager Novavax announces change in leadership Novavax announces change in leadership Appoints new ceo and chairman AstraZeneca recognised for clinical research excellence AstraZeneca recognised for clinical research excellence Pharmaceutical firm is one of the winners in the US Clinical Researcher of the Year competition Dennis Schmatz joins Scynexis Dennis Schmatz joins Scynexis Will provide advice to US firm as it advances drug development programme Rhodia appoints vp of r&d Rhodia appoints vp of r&d Louis Neltner moves into the role from McKinsey Thomas Simmerer takes over sales at Carl Zeiss Meditec Thomas Simmerer takes over sales at Carl Zeiss Meditec Succeeds Ulrich Krauss as member of the management board with responsibility for sales Astellas Pharma Europe appoints president and ceo Astellas Pharma Europe appoints president and ceo Promotes Ken Jones to the position GoIndustry DoveBid appoints SVP of North American sales GoIndustry DoveBid appoints SVP of North American sales Romie Castelli returns to the company he originally joined in 2002