Green, a long-time tech executive, was a Sun vice president in charge of programming tools. At Cassatt, he will be executive vice president of product development. Green, who was heavily involved in Sun lawsuits against Microsoft,earlier this month--just days after the two companies .
Cassatt is one of several new companies turning out tools designed to make corporate data centers hum more efficiently. Companies such as Sun, IBM and Microsoft have poured millions of dollars into making software programmers more productive when writing new applications.
The goal of Cassatt is to give system administrators tools to better manage corporate technology infrastructures, according to the company's Web site.
Coleman, who worked at Sun during the 1990s, launched Cassatt last September. Since then, Coleman has been assembling a management team of experienced technology executives, including Sunir Kaporr from Oracle and Mark Forman, the federal government's former top IT executive.
is the latest Sun employee to jump ship for Cassatt, which is backed by venture capital firm Warburg Pincus. According to published reports, the start-up has lured away a number of Sun programmers.
The products Cassatt has under development are focused on managing computing system operations--similar to Sun's N1 grid products.
Hewlett-Packard, IBM and number of smaller companies are also delivering utility computing products aimed at automating management tasks for system administrators.
Cassatt is based in San Jose, Calif., with offices in Colorado Springs, Colo., and Mendota Heights, Minn.