Poseidon
2 known investors
PSDN builds infrastructure for managing long-tail data supply and demand at scale using AI and blockchain technology. The company serves organizations needing access to diverse, non-mainstream datasets in an intellectual property-aware manner.
Founders & leadership
SL
Sebastian LiuFull Stack Engineer
S
SasidharanApplication Engineer
AW
Andy WuInfrastructure Engineer
CH
Changheon HanAI Research Fellow
RN
Rashmi NagpalAI Engineer
KR
Krishna RupaakulaAI Engineer
NI
Nick IppolitoStrategy and Operations
ZG
Zerui GeStaff Blockchain Engineer
Investors · 2
Funding
SEC filings, press & company announcements- Undisclosed amountseed roundJun 2026
Andreessen Horowitz (lead)
Source ↗ - Undisclosed amountSeedJul 2025Source ↗
- Undisclosed amountSeries BMar 2024Source ↗
Source: company announcements and press reports — follow each round's link for the claim.
Competitors · 3
by search overlapPositron AI4 shared keywordsPositron builds purpose-built hardware and inference accelerator silicon for running Transformer-based generative AI models, offering inference appliances that map HuggingFace Transformers models onto the hardware and expose an OpenAI API-compliant endpoint. Its products target AI infrastructure for high-performance, low-power model inference at scale.
Poseidon Aero4 shared keywordsPoseidon develops unmanned aerial vehicles for cargo logistics, specifically wave-skimming seagliders designed to reduce the cost per ton-mile of air freight. The company aims to deliver goods with the speed of air cargo at price points competitive with ground and maritime transport.
CryptoRank4 shared keywordsCryptoRank provides cryptocurrency market data, analytics, and research, including live prices and market capitalization rankings for thousands of coins, along with fundraising trends and token sale tracking. It publishes insights and reports covering exchanges, funding rounds, and market narratives for crypto investors and researchers.
Companies competing with Poseidon for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
Frequently asked questions
- What does Poseidon do?
- PSDN builds infrastructure for managing long-tail data supply and demand at scale using AI and blockchain technology. The company serves organizations needing access to diverse, non-mainstream datasets in an intellectual property-aware manner.
- Who are Poseidon's investors?
- Poseidon's investors include a16z crypto, Andreessen Horowitz.