Investing Profile

William Jeffrey

VCInvestorCEO
Founder and General Partner at Hotmail
airstream.vcSan Francisco Bay Area
Photo of William Jeffrey, General Partner at Hotmail
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Networks William is a member of
Hotmail Network
4899 CONNECTIONS
Harvard University Network
598 CONNECTIONS
Massachusetts Institute of Technology Network
393 CONNECTIONS
The White House Network
41 CONNECTIONS
SRI Network
12 CONNECTIONS

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Current Investing Position
Hotmail General Partner
Investment Range
$100K - $5.0M
Sweet Spot
$1.5M
Investments On Record
1

William Jeffrey is on these Sector & Stage Rankings

William Jeffrey's Investments On Record (1)

CompanyStageDateRound SizeTotal Raised
Salience Labs
Series AFeb 2025$30M
$42M
Co-investors: Ian Lane (Cambridge Innovation Capital)

William Jeffrey's Experience

Senior Director, OSTP The White HousePresent
Director National Institute of Standards and Technology (NIST)Present
Board Member TE ConnectivityPresent
Board Member DiraqPresent
Board Member MRIGlobalPresent
Board Member Salience LabsPresent
Chief Executive Officer HRL Laboratories, LLCPresent
Chief Executive Officer SRIPresent
Founder and General Partner HotmailPresent

William Jeffrey's Education

Massachusetts Institute of Technology Bachelor of Science - BS Physics
Harvard University Doctor of Philosophy - PhD Astronomy and Astrophysics