Board seats (with investment) - current

23andMe
Boxbe Inc.
CVO Group
Eventful.com
Evernote
IBS Group
Meetup Inc.
NewspaperDirect
Vatera
WPP Group
Yandex

Nonprofit boards

Eurasia Foundation
Long Now Foundation
National Endowment for Democracy
Santa Fe Institute
Sunlight Foundation
The After-School Corporation

Advisory boards

AnchorFree
BatchTags
ChoiceStream
Icosystem
O'Reilly Alpha Tech Ventures
PGP
Viewpoints

Investments

Activeweave
BlogAds
Coastal Technologies Group
Constellation Services Inc.
Dopplr
Dotomi
eCourier
Icon Aircraft
Kalat
Mashery
Nexagent
Ovusoft
PatientsLikeMe
Plazes
Powerset
ReliefinSite
Resilient
Sana Security
School Loop
Space Adventures
Square Trade
Tacit
Technorati
TerraLink
Tideway
Trusted ID
XCOR Aerospace
UCMS
Visible Path
Vizu
Wellgood LLC (ChangingThePresent)
Zero-G Corp.

Investments - past (selected)

Brightmail (acquired by Symantec)
del.icio.us (acquired by Yahoo!)
Flickr (acquired by Yahoo!)
Medspace (now part of WebMD)
Medstory (acquired by Microsoft)
Postini (acquired by Google)