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Mayo Oshin

Mayo Oshin

Verified: Jun 2026 (Profile Confirmed)👑 Lead Investor
San Francisco, CA
𝕏in
Check Size Range

Flexible Check Size

Preferred Stages
pre-seedseed

Background & Investment Thesis

I'm the founder of Siennai Analytics, a B2B AI consulting and development company, an early contributor to LangChainAI, and an AI educator (3.5 million people reached through my content so far). I have provided strategic AI consultations to leaders at major institutions including Evercore, BCG, PwC, and more. My speciality is building scalable, production ready AI chatbots that integrate with enterprise private data. I invest in B2B startups and devtools. (Founder & CEO at Siennai Analytics)

Focus Industries

ai
AI Outreach Insight94% Match Score

Active investor in ai. Highly responsive to concise pitches with clear traction metrics.

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Key Deal Terms & Quick Facts

Audited venture due diligence summary for Mayo Oshin

Verified Deal Signals
Typical Check Size

$1k – $10k

Direct angel check per syndicate / round
Target Stages
pre-seedseed
Early-stage entry valuation priority
Founder Pitch Contact

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Focus Industries & Categories
ai

Frequently Asked Questions about Mayo Oshin

What is Mayo Oshin's typical angel check size?▼

Mayo Oshin's investment check size typically ranges around $1k – $10k, participating in early-stage financing rounds alongside leading venture capital funds and angel syndicates.

What stages and sectors does Mayo Oshin invest in?▼

Mayo Oshin primarily backs early-stage startups across pre-seed, seed stages, focusing on ai.

What companies are in Mayo Oshin's angel portfolio?▼

Mayo Oshin actively participates in early-stage technology investments and venture syndicates.

How can startup founders contact or pitch Mayo Oshin?▼

Founders can access verified direct email contact channels, AI-assisted pitch drafting, and syndicate warm intro paths for Mayo Oshin through OpenAngels.