SACHEM, Inc. announced today the addition of Dr. Hemant Joshi, Biotechnology Research Scientist, to its team of highly accomplished scientists. Austin, TX – September 19, 2006 – SACHEM, Inc. announced today the addition of Dr. Hemant Joshi, Biotechnology Research Scientist, to its team of highly accomplished scientists. Dr. Joshi will support the development of SACHEM’s portfolio of…