The 25 most sponsor-active event communities in San Francisco, ranked by our Event Leader Score and refreshed daily.
San Francisco chapter of StartOut, a nonprofit that supports LGBTQ+ founders through networking, education, mentorship, and capital-access programming.
San Francisco chapter of the global ProductTank community, running recurring product-management talks, panels, and workshops for PMs and adjacent product builders.
A recurring San Francisco technology and startup networking group connecting professionals, entrepreneurs, investors, and technology enthusiasts through regular informal mixers.
A San Francisco and Bay Area founder, investor, and AI community that runs frequent breakfasts, workshops, hackathons, summits, dinners, and networking events alongside a large newsletter and member network.
Established founder and investor community operating monthly events and larger startup showcases across Silicon Valley and the San Francisco Bay Area. Programming includes founder conversations, AI demos, startup exhibitions, and investor n…
SF AI is a large Bay Area AI meetup community that runs regular talks, workshops, and community gatherings around GenAI, LLMs, agents, machine learning, and data. It serves practitioners, founders, and technical leaders.
A multi-city founder and investor ecosystem running curated networking events, pitch nights, workshops, dinners, and partner-led gatherings, including recurring San Francisco programming.
The SF Grind is a San Francisco startup community brand that curates recurring founder, investor, and operator gatherings alongside a local newsletter.
A San Francisco Ruby and Rails community running monthly technical meetups, startup-focused programming, a jobs board, and an annual Ruby startup conference.
Recurring San Francisco founders-only networking gatherings designed for small-group conversations, introductions, and peer support. The series focuses on pre-seed through Series A founders, CEOs, and senior operators rather than large-form…
Bay Area business networking organizer producing recurring happy hours, mixers, workshops, and social networking events for professionals, founders, and business owners. Its own event copy emphasizes sponsorship and partner packages.
Fontaine Founders is a San Francisco hacker-house-based founder collective that runs workshops, pitch nights, hackathons, and curated gatherings for ambitious builders.
A recurring global startup event network running pitch nights, panels, and structured networking for founders, investors, operators, and technology professionals, with an active San Francisco chapter.
TechCrunch Disrupt is a major startup conference and pitch platform serving founders, investors, operators, developers, and technology companies. The 2026 edition is scheduled for October 13–15, 2026, at Moscone West in San Francisco.
Recurring women-in-tech and female founder community hosting monthly San Francisco gatherings, panels, and networking events focused on fundraising, careers, and startup growth.
San Francisco design community running recurring talks, workshops, and mentor nights for UX and product designers in technology.
SFPlayground runs recurring San Francisco founder and investor gatherings focused on AI, venture, deep tech, and startup networking. Its events are curated live experiences connecting startups, investors, and customers.
RSAC runs the annual RSAC Conference and year-round cybersecurity programming for security practitioners, executives, researchers, vendors, and policymakers. The 2026 conference was held in San Francisco from March 23–26, 2026.
Annual Bay Area Kubernetes and cloud-native community conference supported by CNCF. The event serves developers, platform engineers, DevOps practitioners, and cloud-native technology buyers.
Techstars Startup Weekend San Francisco AI is a recurring three-day startup-building program in which participants pitch ideas, form teams, build prototypes, receive mentorship, and present at a final demo and pitch session. The local progr…
Superconnected is a premium event production and founder-investor community brand that creates curated startup summits, dinners, and pitch experiences in San Francisco. It focuses on high-signal relationship-driven rooms for funded founders…
MLOps Community runs frequent San Francisco meetups for practitioners building production AI systems, covering LLMOps, data pipelines, agent systems, and infrastructure. Its events regularly feature community partners, venue partners, and s…
Founders, Inc. runs campus-style startup and builder programming from its San Francisco Lab, including Canopy cohort events, technical workshops, and partner activations. Its event program is oriented toward ambitious early-stage founders a…
FounderGro runs AI-focused founder and investor events, demo days, and ecosystem gatherings in San Francisco. Its programming centers on startup pitches, networking, and cross-border AI community building.
Founders Network is a recurring founder community focused on peer learning, mentorship, and founder-to-founder support for tech startup entrepreneurs. The San Francisco/Silicon Valley meetup presence is active and tied to the broader Founde…
These are real sponsors backing the communities on this list — discovered by Sponsor Scout's daily AI agent. Sign up free to see who's actively sponsoring right now, find the decision-makers, and reach out.
Property owners can submit evidence for Sponsor Scout review. Acceptance into Sponsor Scout does not guarantee placement in the public Top 25; rankings remain evidence-based and editorially independent.
Sign up to submit → Already have an account? Sign inEvery organizer is scored 0–100 by Sponsor Scout as we search the open web daily. The score blends five weighted signals — it rewards groups that gather real audiences and consistently attract sponsors. These findings are updated each day.
Your rank is a sponsor magnet. The higher you sit on this list, the more sponsors and partners discover you here — and the more credible you look when you pitch them. Here's how to climb.
Why it matters: sponsors browse these rankings to decide who to back. A higher rank means more inbound sponsor interest, warmer intros, and a stronger negotiating position — a compounding flywheel where more sponsors lift your rank, and a higher rank attracts more sponsors.
Sponsor Scout hunts the web every day for companies sponsoring startup & tech events, finds the right decision-maker, and drafts the outreach for you. Start free — 20 sponsors and 4 scout runs every month, no credit card.
One short email each weekday: a real story about a real company sponsoring the startup ecosystem, plus the day's freshest finds.