Investing Profile

Beth Seidenberg

VCInvestor
General Partner at Kleiner Perkins
westlakebio.com/team/beth-sei...San Francisco, California
Photo of Beth Seidenberg, General Partner at Kleiner Perkins
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Networks Beth is a member of
NewCo Network
1587 CONNECTIONS
CILA THERAPEUTICS Network
87 CONNECTIONS
Kleiner Perkins Caufield & Byers Network
40 CONNECTIONS
Kleiner Perkins Network
38 CONNECTIONS
Amgen Network
18 CONNECTIONS

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Current Investing Position
Kleiner Perkins General Partner
Investment Range
$2.0M - $50.0M
Sweet Spot
$25.0M
Investments On Record
60
Current Fund Size
750M

Beth Seidenberg is on these Sector & Stage Rankings

Beth Seidenberg's Investments On Record (24)

CompanyStageDateRound SizeTotal Raised
Electra Therapeutics
Series COct 2025$180M
Series BFeb 2022$84M
$270M
Co-investors: Carl Gordon (OrbiMed Advisors)
Neuron23
Series DJun 2025$97M
Series CMar 2022$100M
Series ADec 2020$34M
Series BDec 2020$80M
$310M
Star Therapeutics
Series CSep 2023$90M
Series UnknownFeb 2022$100M
$320M
Co-investors: Carl Gordon (OrbiMed Advisors)
Kyverna Therapeutics
Series BAug 2023$60M
Series BJan 2022$85M
Series AJan 2020$25M
$170M
Kate Therapeutics
Series AJun 2023$51M
$51M
Co-investors: Clare Ozawa (Versant Ventures)
ACELYRIN
Series CSep 2022$300M
Series BNov 2021$250M
Series ADec 2020$8M
$560M
Co-investors: Sean Harper
ArsenalBio
Series BSep 2022$220M
Series AOct 2019$85M
$310M
Expansion Therapeutics
Series BSep 2021$80M
Series AJan 2018$55M
$140M
Co-investors: Andrew Levin (RA Capital)

Beth Seidenberg's Experience

General Partner Kleiner Perkins2005 - Present
General Partner Kleiner Perkins Caufield & ByersPresent
Senior Vice President AmgenPresent
Senior Vice President, Global Development Bristol Myers SquibbPresent
Senior Vice President, Clinical Development & Life Cycle Management Bristol Myers SquibbPresent
Vice President, Clinical Immunology/Pulmonary/Dermatology Bristol Myers SquibbPresent
Co-founding Managing Director at Westlake Village BioPartners Westlake Village BioPartners®Present
Vice President, Pulmonary-Immunology MerckPresent
Executive Director MerckPresent
Senior Director MerckPresent
Director, Clinical Pharmacology MerckPresent
Associate Director, Clinical Pharmacology MerckPresent
General Partner NewCoPresent
Co-founding Managing Director at Westlake Village BioPartners Westlake BioPartners®Present
General Partner CILA THERAPEUTICSPresent
Senior Vice President, Clinical Development & Life Cycle Management Bristol Myers SquibbPresent