Virsto
Virsto develops a VM-centric storage hypervisor. The company is privately funded and headquartered in Sunnyvale, California. On February 11, 2013, VMware announced that it had signed a definitive agreement to acquire Virsto.History
Virsto was founded in 2007 by Mark Davis, Alex Miroshnichenko and Serge Pashenkov. In 2009, the company announced a $7 million series A funding round. In 2011, the company announced a $17 million series B funding round.