Investing Profile

Justin Overdorff

InvestorAngelVCOperator
Partner at Lightspeed Venture Partners
Photo of Justin Overdorff, Partner at Lightspeed Venture Partners

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$3.0M - $20.0M
$15.0M
40
CompanyStageDateRound SizeTotal Raised
Ramp
Series FJun 2026$750M
Series UnknownNov 2025$300M
Series EJul 2025$500M
$3B
Co-investors: Keith Rabois (Khosla Ventures), James Ephrati (Lightspeed Venture Partners), Alex Tran (General Catalyst), Joe Lonsdale (8VC), Kenneth Chenault (General Catalyst), Hemant Taneja (General Catalyst), Joshua Kushner (Thrive Capital), Napoleon Ta (Founders Fund), Peter Thiel (Founders Fund), Samir Kaul (Khosla Ventures), Kareem Zaki (Thrive Capital), Will Kohler (Lightspeed Venture Partners), Adam Rothenberg (BoxGroup), Ravi Gupta (Sequoia Capital), Guillaume Cabane (Sequoia Capital), Bradley Horowitz (Google Ventures), Josh Wolfe (Lux Capital), Brandon Reeves (Lux Capital), Deena Shakir (Lux Capital), Koda Wang (Giant Ventures), Edward Lando (Biowear), Scott Belsky (A24), Seth Rosenberg (Greylock Partners), Gregg Smith (Evolution VC Partners), Eric Tarczynski (Contrary Capital), Daniel Scott (Susquehanna Capital), Chafic Kazoun, Teddy Citrin
Modus
Series AApr 2026$85M
$98M
Co-investors: Dave Garland (Second Century Ventures), Niki Pezeshki (Felicis Ventures), Tyler Thompson (Second Century Ventures), Sahin Boydas (Angel investor), Garry Tan (Y Combinator)
Plug
Series AFeb 2026$20M
$27M
Co-investors: Ann Miura Ko (Floodgate), Simon Rothman (Greylock), Jessica Alter (Climate Capital), Ninad Karpe (100X.VC), Erik Ford (Renn Global), Quin Garcia (Autotech Ventures)
Rain
Series CJan 2026$250M
Series BAug 2025$58M
SeedApr 2022$6M
$590M
Co-investors: Casey Caruso (Paradigm), Amber Atherton (Patron), Paul Veradittakit (Pantera Capital), Ravi Mhatre (Lightspeed Venture Partners), Jai Das (Sapphire Ventures), Adam Nelson (FirstMark Capital), Julian Roeoes (Picus Capital), Nigel Morris (QED Investors), Russell Cook (HC9 Ventures), Fritz Lanman (ClassPass), Parker Barrile (Norwest Venture Partners), Alex Macdonald (sequel), Apoorva Ruparel (venturerock), Musaab Hakami (BECO Capital), Kumar Dandapani (Cadenza Ventures), Amr Abdelaziz (A'Z Angels), Balaji Srinivasan, Ansaf Kareem
Standard Economics
SeedOct 2025$9M
$9M
Co-investors: Bucky Moore (Lightspeed Venture Partners)
DualEntry
Series AOct 2025$90M
$100M
Co-investors: Sam Eisler (Lightspeed Venture Partners), Crystal Huang (GV (Google Ventures)), Vinod Khosla (Khosla Ventures), Ravi Mhatre (Lightspeed Venture Partners), Thomas Cuvelier (none), Eric Tarczynski (Contrary Capital), Kyle Harrison (Contrary Capital)
Brale
SeedSep 2025$30M
$41M
Co-investors: Albert Wenger (Union Square Ventures), Scott Sandell (New Enterprise Associates (NEA)), Christian Edler (BITKRAFT Ventures), Ravi Mhatre (Lightspeed Venture Partners), Bejul Somaia (Lightspeed Venture Partners), Rodolfo Gonzalez (Foundation Capital), Kanyi Maqubela (Kindred Ventures), Jonathon Triest (Ludlow Ventures), Nik Milanovic (The Fintech Fund), Ayo Omojola, Naveen Jain
Tabs
Series BSep 2025$55M
Series AOct 2024$25M
SeedApr 2024$7M
$92M
Co-investors: Sam Eisler (Lightspeed Venture Partners), Alex Tran (General Catalyst), Brian Keil (Alumni Ventures ), Wesley Yiu (Alumni Ventures ), Lex Zhao (One Way Ventures), Gokul Rajaram (gokulrajaram.com)
I invest and advise early stage tech startups primarily in Fintech, SaaS, & Marketplaces.