Investing Profile

Walter Winshall

AngelInvestor
Founder of Collaborative Seed and Growth Partners
Boston, Massachusetts
Photo of Walter Winshall, Angel at Collaborative Seed & Growth Partners
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Current Investing Position
Collaborative Seed & Growth Partners Angel
Investment Range
$10K - $500K
Sweet Spot
$100K
Investments On Record
49

Walter Winshall is on these Sector & Stage Rankings

Walter Winshall's Investments On Record (40)

CompanyStageDateRound SizeTotal Raised
RISE Robotics
Series AApr 2025$2M
SeedAug 2012$2M
$7M
Co-investors: Reed Sturtevant (The Engine), Bob Mason (Argonautic Ventures), Adam Draper (Boost VC)
Stocksnips
SeedDec 2022$430K
$430K
Avanlee Care
SeedFeb 2021
Co-investors: Esther Dyson (HealthWorldWeb LLC)
Rheaply
SeedMar 2020$3M
$31M
Co-investors: Bradley Horowitz (Google Ventures), Steve Case (Revolution), John Doerr (Kleiner Perkins)
StoryFit
Series ADec 2019
$1.8M
Co-investors: Dan Conner (Ascend Venture Capital), Marco A. Casas
Circle
Pre SeedDec 2018$800K
$760M
Co-investors: Hemant Taneja (General Catalyst), David Eckstein (Sequoia Capital), David Orfao (General Catalyst), Scott Weiss (Andreessen Horowitz), Saar Gur (CRV), Ron Conway (SV Angel), Keith Rabois (Khosla Ventures), Jenny Fielding (Everywhere Ventures (The Fund)), Anna Barber (Everywhere Ventures (The Fund)), Barry Silbert (Digital Currency Group), David Ambrose (Steadfast Venture Capital), Mark Goldstein (Builders VC), Brian Pokorny (SV Angel LLC), Ashton Kutcher (Sound Ventures), David Sacks (Craft Ventures), Shervin Pishevar (ACME Capital), Paul Buchheit (Y Combinator), Naval Ravikant (Sm4rt Predictive Systems), Terrence Rohan (Robinhood), Scott Belsky (A24), J J (GreaterGoodSociety), Esther Dyson (HealthWorldWeb LLC), Nicholas Chirls (Notation Capital), Sahin Boydas (Angel investor), Mathilde Collin
Immersed
Pre SeedDec 2017$340K
$8.7M
Co-investors: Brian Luerssen (LongJump VC), Joshua Webster
Mainstay
SeedDec 2016$250K
Convertible NoteAug 2016$730K
$4M
Co-investors: Esteban Sosnik (Reach Capital), Kevin Talbot (Relay Ventures), Charlie Cheever, Christopher Gabrieli