Return Path
New York, US · Founded 2018 · Delaware corporation · 349 employees on LinkedIn · 9 known investors
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Return Path (now part of Validity) offers email deliverability tools that provide real-time inbox placement testing, sender reputation and authentication monitoring, blocklist alerts, and pre-send deliverability checks. It serves email marketers, providing insight into where campaigns land across mailbox providers via the Validity Intelligence Network.
Founders & leadership
Return Path was founded in 2018 by Matthew Y. Blumberg.
Board



Investors · 9
How we know: Anthem Venture Management, Llc's portfolio page · Not right? Tell us
How we know: Foundry's portfolio page · funding news · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Sapphire Ventures's portfolio page · funding news · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Union Square Ventures (USV)'s portfolio page · board seat on SEC Form D · funding news · the VCSheet dataset · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Vista Equity Partners's portfolio page · funding news · Not right? Tell us
How we know: westerntech.com · Not right? Tell us
How we know: funding news · Not right? Tell us
Reported raises · per SEC filings
Form D private placements$41M disclosed across 4 rounds · 2011–2016
▶$261.8KraisedDec 2016 · 14 investors · OtherRule 506(b)
- Fred WilsonDirector
- Brad FeldDirector
- Patrick SeversonDirector
- Scott PetryDirector
- Jennifer WalshExecutive Officer
- George BilbreyExecutive Officer
- Jeffrey EpsteinDirector
- Matthew Y. BlumbergExecutive Officer, Director
- Greg SandsDirector
- Offering amount
- $261.8K
- Amount sold
- $261.8K
- First sale
- Nov 2016
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$34.1MraisedDec 2014 · 8 investors · OtherRule 506(b)
- Scott PetryDirector
- George BilbreyExecutive Officer
- Lisa T. MogensenExecutive Officer
- Fred WilsonDirector
- Greg SandsDirector
- Matthew Y. BlumbergExecutive Officer, Director
- Jeffrey EpsteinDirector
- Brad FeldDirector
- Patrick SeversonDirector
- Anita AbseyExecutive Officer
- Offering amount
- $34.1M
- Amount sold
- $34.1M
- First sale
- Nov 2014
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$5MraisedJul 2014 · 4 investors · OtherRule 506(b)
- Matthew Y. BlumbergExecutive Officer, Director
- Fred WilsonDirector
- Anita AbseyExecutive Officer
- George BilbreyExecutive Officer
- Brad FeldDirector
- Jeffrey EpsteinDirector
- Lisa T. MogensenExecutive Officer
- Scott PetryDirector
- Greg SandsDirector
- Offering amount
- $5M
- Amount sold
- $5M
- First sale
- Jun 2014
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$1.6MraisedJan 2012 · 18 investors · OtherRule 506(b)
- FRED WILSONDirector
- SCOTT WEISSDirector
- MATTHEW Y. BLUMBERGExecutive Officer, Director
- ANITA ABSEYExecutive Officer
- GREG SANDSDirector
- SCOTT PETRYDirector
- GEORGE BILBREYExecutive Officer
- JOHN T. SINCLAIRExecutive Officer
- Offering amount
- $5.2M
- Amount sold
- $1.6M
- First sale
- Dec 2011
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Founder mafia
4 people who came through Return Path went on to found or lead other companies.
Related companies · 4
Companies working in the same space as Return Path.
Acquisitions · 1
Early investors' stakes continue via these dealsHabeas was an email-deliverability and sender-reputation company that ran a whitelist certification program (Habeas SafeList) helping legitimate bulk senders avoid spam filters.
Frequently asked questions
- What does Return Path do?
- Return Path (now part of Validity) offers email deliverability tools that provide real-time inbox placement testing, sender reputation and authentication monitoring, blocklist alerts, and pre-send deliverability checks. It serves email marketers, providing insight into where campaigns land across mailbox providers via the Validity Intelligence Network.
- Who founded Return Path?
- Return Path was founded by Matthew Y. Blumberg in 2018.
- Who are Return Path's investors?
- Return Path's investors include Anthem Venture Management, Llc, Foundry, Gen Capital, Sapphire Ventures, Union Square Ventures (USV), Vista Equity Partners, Western Technology Investment, Costanoa Venture Capital and 1 more.
- How much funding has Return Path raised?
- Return Path has disclosed $41M raised across 4 rounds.
- Where is Return Path headquartered?
- Return Path is headquartered in New York, US.







