ProsperStack
Minneapolis, US · 4 known investors
Find your way into ProsperStack
Each arrow is one introduction. Sign up to fill in the first one.
Ask Megan Baniecke to introduce you to Tony Sternberg
You →Megan · together at ProsperStack →Tony
Sign up to find every way you can get introduced to ProsperStack
- Your email: who you already know at ProsperStack, and who your contacts know
- 2nd- and 3rd-degree connections: people you know who worked, studied or invested with the ProsperStack team
- Your LinkedIn: the connections who can make the intro for you
We rank every route by how warm it is, so you raise on warm intros instead of cold emails.
ProsperStack provides a retention platform that helps subscription businesses reduce customer churn through behavior analysis, experimentation tools, and continuous improvement tracking. The platform enables subscription companies to test retention strategies and measure outcomes systematically.
Founders & leadership

Investors · 4
How we know: the company's own site · Sandalphon Capital's portfolio page · a partner's Signal profile · funding news · prnewswire.com · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: GROOVE CAPITAL's portfolio page · the VCSheet dataset · open dataset · 5k.vc investor directory · Not right? Tell us
Funding
SEC filings, press & company announcements$2M disclosed across 1 round · 2022
- $2MSeed RoundNov 2022 · 2 sources
Sandalphon Capital (lead)
Source ↗
Source: company announcements and press reports — follow each round's link for the claim.
In the news
Frequently asked questions
- What does ProsperStack do?
- ProsperStack provides a retention platform that helps subscription businesses reduce customer churn through behavior analysis, experimentation tools, and continuous improvement tracking. The platform enables subscription companies to test retention strategies and measure outcomes systematically.
- Who founded ProsperStack?
- ProsperStack was founded by Tony Sternberg, Graham Floyd.
- Who are ProsperStack's investors?
- ProsperStack's investors include Sandalphon Capital, GROOVE CAPITAL, Homegrown Capital, Service Provider Capital.
- How much funding has ProsperStack raised?
- ProsperStack has disclosed $2M raised across 1 round.
- Where is ProsperStack headquartered?
- ProsperStack is headquartered in Minneapolis, US.




