OpenTag was founded by Tony Kam, Shelden Shi, Wilson Nguyen in 2026.

Who are OpenTag's investors?

OpenTag's investors include Transpose Platform Management, Y Combinator, Pioneer, Spearhead, Vectr Ventures.

Where is OpenTag headquartered?

OpenTag is headquartered in San Francisco, US.

OpenTag

YC S26

San Francisco, US · Founded 2026 · 3 employees · 5 known investors

Find your way into OpenTag

Paths you didn't know you had: your email and LinkedIn already hold routes to the OpenTag team. We find them for you
2nd- and 3rd-degree connections: the friend-of-a-friend routes that take hours to manually find through your inbox or LinkedIn
Answers now, not in days: momentum is everything in a raise. Skip asking around whether someone knows someone

Days of research, done the moment you sign in, with every route ranked by how warm it is.

Gini is a cloud-based AI agent that works inside team chat tools like Slack and Microsoft Teams, running sandboxed automations scoped to connected tools and permissions. It also maintains a self-updating company wiki sourced from chat threads, offering to take over recurring tasks for teams.

Also known as Open Curiosity, Inc. · Gini · Gini Agent · Gini Agent, Gini, OpenTag, Open Tag · Open Tag

AI & Machine Learning Enterprise Software Future of Work SaaS AIOps Artificial Intelligence B2B Workflow AutomationUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (S26)

OpenTag was founded in 2026 by Tony Kam, Shelden Shi, and Wilson Nguyen.

Tony Kam CEOCo-founder and CEO of Gini, where he leads product. He previously worked at Tesla, founded Lilac Labs (S24), and studied EECS at UC Berkeley.

Shelden Shi Co-Founder / CTOCo-founder and CTO of Gini, who previously founded Lilac Labs (YC S24) and studied computer science and cognitive science at UC Berkeley.

Wilson Nguyen Co-FounderCo-founder of OpenTag and previously a founding engineer at Lilac Labs. He studied computer science at UC Berkeley.

Investors · 5

Transpose Platform Managementlisted by Transpose Platform ManagementSan Francisco

How we know: Transpose Platform Management's portfolio page · Y Combinator's founder network · Not right? Tell us

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us

PioneerreportedToronto, Ontario

How we know: Y Combinator's founder network · Not right? Tell us

Spearheadreported

How we know: Y Combinator's founder network · Not right? Tell us

Vectr VenturesreportedHong Kong

How we know: funding news · Not right? Tell us

Images

Founder mafia

2 people who came through OpenTag went on to found or lead other companies.

Tony KamCEOFounded Lilac Labs Shelden ShiCTOFounded Lilac Labs

Related companies · 4

OneCLIOneCLI is an open-source credential gateway that secures AI agents by injecting API keys at the network layer, preventing agents and LLMs from accessing credentials directly. It works across any agent framework and enforces policies at the proxy level for endpoint blocking, rate limiting, and approval workflows.

NexNex builds AI agents that connect to 1000+ integrations to automate manual workflows across business tools like HubSpot, Gmail, and Slack. The platform detects team patterns and deploys autonomous agents that improve over time, unifying fragmented software stacks into a shared knowledge graph for enterprise teams.

AdaptionalAdaptional is an AI-powered claims quality review platform that audits insurance claims in real time to identify compliance gaps, leakage, and reserve issues. It connects to claims systems and continuously evaluates claims against customizable scorecards covering compliance, coverage, reserves, and subrogation.

PapayaPapaya is an optimization platform that connects to AI agents via SDK, analyzes production traces across context, prompts, prompt caching, subagents, and tool calls, and delivers ranked recommendations—pushed to production as pull requests once approved—to improve agent quality, latency, and cost. It serves engineers building and maintaining AI agents.

Companies working in the same space as OpenTag.

Legal entities · 1

corporate structure

Open Curiosity, Inc.

In the news

Gini: AI coworker that lives in Slackycombinator.com · Aug 2026

Frequently asked questions

What does OpenTag do?: Gini is a cloud-based AI agent that works inside team chat tools like Slack and Microsoft Teams, running sandboxed automations scoped to connected tools and permissions. It also maintains a self-updating company wiki sourced from chat threads, offering to take over recurring tasks for teams.
Who founded OpenTag?: OpenTag was founded by Tony Kam, Shelden Shi, Wilson Nguyen in 2026.
Who are OpenTag's investors?: OpenTag's investors include Transpose Platform Management, Y Combinator, Pioneer, Spearhead, Vectr Ventures.
Where is OpenTag headquartered?: OpenTag is headquartered in San Francisco, US.