TUCSON, Ariz.--(BUSINESS WIRE)--March 7, 2006--HTG, Inc., a provider of novel array-based gene expression assay technology and services for the life sciences industry, today announced the appointment of Donald W. Grimm to the company’s board of directors. Grimm, a life sciences industry veteran and partner at Hamilton BioVentures, will provide strategic guidance and counsel as HTG expands its reach into the pharmaceutical and diagnostic markets.