<s>
Nebula	B-General_Concept
,	O
Inc	O
.	O
was	O
a	O
hardware	O
and	O
software	O
company	O
with	O
offices	O
in	O
Mountain	O
View	O
,	O
California	O
,	O
and	O
Seattle	O
,	O
Washington	O
,	O
USA	O
.	O
</s>
<s>
Nebula	B-General_Concept
developed	O
Nebula	B-General_Concept
One	O
,	O
a	O
cloud	B-Architecture
computing	I-Architecture
hardware	B-Architecture
appliance	I-Architecture
that	O
turned	O
racks	O
of	O
standard	O
servers	O
into	O
a	O
private	O
cloud	O
.	O
</s>
<s>
The	O
Nebula	B-General_Concept
One	O
private	O
cloud	O
system	O
was	O
built	O
on	O
the	O
OpenStack	B-Application
open	O
source	O
cloud	O
framework	O
,	O
as	O
well	O
as	O
many	O
other	O
open	O
source	O
software	O
projects	O
.	O
</s>
<s>
Nebula	B-General_Concept
was	O
founded	O
as	O
Fourth	O
Paradigm	O
Development	O
in	O
March	O
2011	O
by	O
former	O
NASA	O
Ames	O
Research	O
Center	O
chief	O
technology	O
officer	O
Chris	O
C	O
.	O
Kemp	O
,	O
long-time	O
colleague	O
Devin	O
Carlen	O
,	O
entrepreneur	O
Steve	O
O'Hara	O
,	O
with	O
software	O
engineer	O
Tres	O
Henry	O
,	O
formerly	O
at	O
Amazon	B-Application
Web	I-Application
Services	I-Application
and	O
author	O
of	O
the	O
AWS	B-Application
Console	O
,	O
named	O
as	O
the	O
head	O
of	O
User	O
Experience	O
.	O
</s>
<s>
In	O
May	O
2011	O
,	O
Nebula	B-General_Concept
closed	O
a	O
round	O
of	O
series	O
A	O
investment	O
led	O
by	O
Kleiner	O
Perkins	O
Caufield	O
&	O
Byers	O
and	O
Highland	O
Capital	O
Partners	O
,	O
with	O
participation	O
from	O
Google	B-Application
's	I-Application
first	O
three	O
investors	O
—	O
Andy	O
Bechtolsheim	O
,	O
Ram	O
Shriram	O
,	O
and	O
David	O
Cheriton	O
,	O
as	O
well	O
as	O
other	O
investors	O
.	O
</s>
<s>
In	O
the	O
summer	O
of	O
2012	O
,	O
eight	O
members	O
of	O
the	O
original	O
Anso	O
Labs	O
(	O
acquired	O
by	O
Rackspace	O
)	O
and	O
NASA	O
team	O
that	O
originally	O
wrote	O
components	O
of	O
the	O
OpenStack	B-Application
project	O
joined	O
Nebula	B-General_Concept
.	O
</s>
<s>
In	O
the	O
fall	O
of	O
2012	O
,	O
Nebula	B-General_Concept
closed	O
a	O
$25	O
million	O
series	O
B	O
investment	O
led	O
by	O
Comcast	O
Ventures	O
and	O
Highland	O
Capital	O
,	O
and	O
Google	B-Application
executive	O
Eric	O
Schmidt	O
’s	O
venture	O
fund	O
Innovation	O
Endeavors	O
became	O
an	O
investor	O
.	O
</s>
<s>
In	O
February	O
2013	O
,	O
Silicon	O
India	O
named	O
Kemp	O
as	O
one	O
of	O
ten	O
pioneers	O
in	O
cloud	B-Architecture
computing	I-Architecture
.	O
</s>
<s>
In	O
March	O
2013	O
,	O
Nebula	B-General_Concept
was	O
named	O
one	O
of	O
CIO.com	O
10	O
Hot	O
Cloud	O
Companies	O
to	O
Watch	O
.	O
</s>
<s>
Nebula	B-General_Concept
One	O
,	O
was	O
made	O
generally	O
available	O
on	O
April	O
2	O
,	O
2013	O
.	O
</s>
