Brian Shin

Venture Capital and Product Strategy focused on Responsible AI. Managing Partner, VitalStage Ventures AI-Native Fund. Co-founder, Joinable Labs, Inc.

📍 United States🔄 Updated September 2026💼 17 investments📅 9 years investing🗓 Last invested Jun 2026
VC🌍 United StatesInvested this quarter
17
Total investments
7
Early stage
3
Mid stage
3
Late stage
9y
Years active

Portfolio

16 investments · sorted by recency
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Late stage
Investor
Jun 2026
Hello! We are the team at Prometheus. Thank you for following us on this journey.
Investor
May 2026
Antaris, the software platform for space, exists to make space easy. We dramatically simplify the design, simulation and operation of satellites to ensure mission success. We bring New Space thinking to an Old Space world, solving the most pressing challenges for our industry to improve time-to-orbit and reduce cost. We are Software for Space. Learn more at www.antaris.space
Investor
May 2026
Replit is the agentic software creation platform that enables anyone to build applications using natural language. With millions of users worldwide and over 500,000 business users, Replit is democratizing software development by removing traditional barriers to application creation.
Investor
May 2026
Together AI is the AI Native Cloud, purpose-built for AI engineers and researchers with a full suite of tooling across inference, model shaping, and pre-training. AI natives can use Together AI as a full-stack AI platform — from a high- performance inference engine built for reliable and fast scaling to on-demand GPU clusters and massive-scale AI factories. Together AI continuously pushes the frontier forward by productizing cutting-edge research from our world-leading AI systems research team. By combining research velocity with production-grade infrastructure, we enable companies to reliably scale AI-native applications as fast as the field evolves. Trusted by leading AI natives like Cursor, Decagon, Eleven Labs, AI21, Hedra, and Cartesia, as well as SaaS innovators such as Salesforce, Zoom, and Zomato, Together AI powers the next generation of AI-native applications.
Investor
Jan 2026
Hexo helps businesses integrate Generative AI into their workflows
Investor
Aug 2024
Inference is the engine that powers AI, and Groq was built from the silicon up to deliver the worlds fastest inference at scale. We pioneered the LPU—the first processor designed specifically for AI inference—and are transforming that innovation into a global cloud platform powering production AI workloads. With the capital, infrastructure, and team to execute, were uniquely positioned to define the next era of AI infrastructure. The opportunity is massive, and its still wide open. Now lets go build it!
Investor
Aug 2024
Plex has developed a novel AI-driven analytical platform for scientists that puts the underlying scientific data front-and-center -- transparently -- for scientists to see. Plex answers complex drug discovery questions by identifying the convergence of data across far-flung, disparate raw data sources. Plex pieces together clues and hidden connections from massive amounts of data including small molecule bioactivities, gene expression profiles, genomics, proteomics, metabolomics, perturb seq data, clinical trial information, and much more. Plex works with biotech and pharma companies to address critical questions in drug discovery and development, including target ID/validation, target discovery, disease indication discovery/expansion, biomarker discovery/validation, safety assessment, and precision oncology.
Investor
Jun 2024
were building sword art online
Investor
May 2024
Duckie is an AI assistant that gives your support team a super power to enable them to resolve issues faster, independently, without relying on engineering team. It sits in your support channel, answers technical questions, troubleshoots technical issues, and intelligently triages and escalates to dev teams.
Investor
May 2024
We apply state-of-the-art AI models and techniques to the $4T automotive industry. Backed by Y Combinator.
Investor
May 2024
Run serverless GPUs on private cloud
Investor
Mar 2024
CodeAnt AI is the Code Health platform built for the AI era. We bring AI Code Review, Code Security, Code Quality, and Engineering Metrics into one unified platform — so engineering teams can ship faster, safer, and with confidence. CodeAnt AI understands your entire codebase. Works with GitHub, GitLab (Cloud & Self-Hosted), Bitbucket, Azure DevOps, all IDEs, and CI/CD tools. Supports all languages and monorepos. Trusted by startups and global enterprises including Commvault, to improve code health and reduce review time by 80%. SOC 2 Type II & HIPAA compliant. We never train on customer code.
Investor
Feb 2024
Leveraging around-the-clock intelligent AI agents to gather public sources to do multi-layered cross-checking, meticulous data cleaning, and rigorous analysis of billions of data rows to provide real-time B2B data thats not outdated.
Investor
Jan 2024
An internet for intelligent machines.
Show all 16 investments ↓
Experience · 24 entries
All (24)
Investments (17)
Founder (2)
2026
Investor
Jun 2026
Hello! We are the team at Prometheus. Thank you for following us on this journey.
Investor
May 2026
Antaris, the software platform for space, exists to make space easy. We dramatically simplify the design, simulation and operation of satellites to ensure mission success. We bring New Space thinking to an Old Space world, solving the most pressing challenges for our industry to improve time-to-orbit and reduce cost. We are Software for Space. Learn more at www.antaris.space
Investor
May 2026
Replit is the agentic software creation platform that enables anyone to build applications using natural language. With millions of users worldwide and over 500,000 business users, Replit is democratizing software development by removing traditional barriers to application creation.
Investor
May 2026
Together AI is the AI Native Cloud, purpose-built for AI engineers and researchers with a full suite of tooling across inference, model shaping, and pre-training. AI natives can use Together AI as a full-stack AI platform — from a high- performance inference engine built for reliable and fast scaling to on-demand GPU clusters and massive-scale AI factories. Together AI continuously pushes the frontier forward by productizing cutting-edge research from our world-leading AI systems research team. By combining research velocity with production-grade infrastructure, we enable companies to reliably scale AI-native applications as fast as the field evolves. Trusted by leading AI natives like Cursor, Decagon, Eleven Labs, AI21, Hedra, and Cartesia, as well as SaaS innovators such as Salesforce, Zoom, and Zomato, Together AI powers the next generation of AI-native applications.
Investor
Jan 2026
Hexo helps businesses integrate Generative AI into their workflows
Show all 24 entries ↓
Investment activity
2017–2026 · 17 investments
201712023120241020265
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