BURLINGTON, Mass.--(BUSINESS WIRE)--Aushon BioSystems, developer of advanced products for microarray-based analysis, announced today the appointments of Ken Titlebaum as Chief Financial Officer and Mike Tognotti as Vice President of Worldwide Sales and Marketing. In their new positions, Mr. Titlebaum will have responsibility for all financial operations, controllership functions and administrative matters for Aushon and Mr. Tognotti will oversee worldwide sales and marketing functions.