EXTON, Pa.--(BUSINESS WIRE)--Dec. 14, 2005--Rheologics Inc., a subsidiary of Rheologics Technologies, Inc. (RTGI.PK) announced today the appointment of Daniel Cho to its Managing Director team. Mr. Cho, a Harvard College graduate, will officially serve as Assistant Managing Director and be responsible for overseeing Rheologics’ bioengineering operations and business development activities.