Arny Epstein is Chief Technology Officer of Liquid Machines. Before joining Liquid Machines, Arny was most recently a co-founder and CTO of SilverStream Software. At SilverStream, he evaluated SilverStream's technical opportunities and investments and managed the technical end of strategic partnerships. Arny also provided leadership and consistency of architecture across the SilverStream product line. Prior to SilverStream, Arny was the CTO at Watermark Software, where he was responsible for Watermark's close relationship with Microsoft as well as the architecture of Watermark's highly successful product line. Prior to Watermark, Arny was Chief Architect at Lotus Development Corporation, and was responsible for a number of products including LotusScript, Lotus 1-2-3/G (for OS/2) and Lotus Manuscript. Arny has been writing commercial software since 1965. He holds a PhD in Astrophysics from MIT and, while at Harvard-Smithsonian Center for Astrophysics, contributed to the creation of data analysis techniques in the field of experimental X-ray astronomy.