Throughout his career Baer has been extensively involved with startup companies in
Silicon Valley. In 2008 Baer co-founded Auxogyn, Inc., a diagnostic company devoted to advancing women’s health by developing technology for assisted reproduction and in vitro fertilization.
Time Magazine selected the technology which formed the basis of Auxogyn products as one of the top ten medical breakthroughs of 2010. From 1996 to 2005 Baer was the CEO, chairman, and founder of Arcturus Bioscience, a biotechnology company located in
Mountain View, CA, which he established in 1996. Arcturus Bioscience pioneered the area of Microgenomics by developing and manufacturing laser microdissection instrumentation and integrated bioreagent systems. Arcturus developed products that allowed precise genetic analysis of microscopic tissue samples and were integrated into a new generation of cancer diagnostic tests. From 1992 to 1995 Baer was vice-president of research at Biometric Imaging, a company that developed laser scanning instruments for AIDS diagnosis, bone marrow transplants, and blood supply quality control. From 1981 to 1992 Baer was at Spectra-Physics, Inc. where he held positions of vice-president of research and senior research fellow. While at Spectra-Physics he developed technology that formed the basis for major Spectra-Physics product lines including optical pulse compressors, diode-pumped solid-state lasers, and modelocked Ti:Sapphire lasers. Products based on technology resulting from his research have generated over a billion dollars in commercial sales revenue. ==Honours==