Rob Haber
FounderCo-founder and CEO of Sendblue. Former ML Engineer at Scale AI, and before that worked at Amazon, Regeneron and his own beef jerky company.
Founder profile As recorded 2026-09-15
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Sales & marketing
Sendblue
Overview
Sendblue provides businesses with virtual iMessage lines to text prospects and nurture leads. Our users on average see a 70% increase in response rate. The company is founded by Rob Haber, former ML Engineer at Scale AI, and Alex Luis, former PM at PwC's telecom practice.
Company description As recorded 2026-11-08
Founders & team
Previously Round One, Raz, Sendblue, Raz
Company history As recorded 2026-11-08
Alex Luis
FounderAlex, a former sumo wrestler born in Tokyo, was a PM and consultant at PwC's telecom practice. There, he worked with emerging technologies like 5G, NFTs, and IoT. He's now a Co-founder @ sendblue and lives in NYC.
Founder profile As recorded 2026-09-15
50team members reported
Source-reported As recorded 2026-09-15
Founded 2023 · Source
News & product activity
Cohort membership
Summer 2023Summer 2023
Original evidence ↗Sources & observations
Profile depthenriched profile
Website observationwebsite reachable
Last website check2026-11-11
Location · source statedNew York City, NY, USA
Pricing evidenceA pricing page was detected
Maturity: Launched · 4 of 6 areas documented
Source-based assessment · automated evidence rules
The company website offers product access through a trial, free start, app download, purchase, or onboarding with existing-account login. Customer adoption is not established by this evidence.
Company website: home Checked 2026-11-04
Build with our iMessage API - Start for free
Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.
- Product overviewSource description Checked 2026-11-08
- Product visualsNot documented
- Founders & originsTeam information
- Business model & pricingPricing page detected on company website; plans not reviewed Checked 2026-11-11
- Funding & ownershipNot documented
- Dated milestonesDated source activity: 2023 Q3 (quarter only)
independent websitesource corroborationreachable websitedescriptive evidenceclassified market and modelsourced peoplesourced founding yearpricing page observedrecent publishing observed
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