Investing Profile

Warren Shaeffer

InvestorAngel
VP at Medium, Co-founder at Knowable (acquired by Medium)
San Francisco Bay Area
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Angel
$5K - $50K
$25K
5
CompanyStageDateRound SizeTotal Raised
Known
SeedDec 2025$10M
$10M
Co-investors: Eurie Kim (Forerunner Ventures), Morgan Beller (NFX), Zach Coelius (Coelius Capital)
Fondo
SeedNov 2024$7M
$8M
Co-investors: Mandela Schumacher-Hodge Dixon (Sequoia Capital), Brian Dixon (Kapor Capital), Todd Johnson (Sand Hill Angels), Kevin C. Wang (.406 Ventures), Jesse Sung (357 Investment), Greg Castle (Anorak Ventures), Juha Paananen
Dispo
SeedOct 2020$4M
$24M
Co-investors: Kevin Durant (Thirty Five Ventures), Maria Salamanca (Ulu Ventures), Sofia Vergara, Wayne Ting, Trevor McFedries, Ian Borthwick
Maude
Pre SeedDec 2017$550K
$13M
Co-investors: Raju Rishi (RRE Ventures), Cristina Nuñez (True Beauty Ventures), Bryan Rosenblatt (Craft Ventures), Aubrie Pagano (XFactor Ventures), Sriram Krishnan (Kearny Jackson), Niv Dror (Shrug Capital), Johnnie Yu (Listen ), Steven Alan, Nik Sharma, Brad Handler
Overnight
SeedFeb 2016$3M
$4M
Co-investors: Zachary Aarons (MetaProp Ventures), Tom McInerney (TGM), Tx Zhuo (Fika Ventures), Paul Bricault (Amplify.LA), Daniel Broukhim (MediaLab), Jeff Fagnan (Accomplice VC), Jason Spievak (Entrada Ventures), Grant Miller, Paul Holland