The 25 most sponsor-active event communities in Los Angeles, ranked by our Event Leader Score and refreshed daily.
AMA Los Angeles is the local AMA chapter for marketers, producing dozens of IRL and professional-development events for Los Angeles marketers each year. Its sponsorship page explicitly pitches year-round and per-event advertiser visibility.
AIGA Los Angeles is a longstanding design-community chapter that runs networking events, talks, and creative-industry programming across Los Angeles. It maintains sponsor inventory and visible chapter sponsors tied to ongoing programming.
Large recurring Los Angeles tech networking meetup focused on startup and Silicon Beach relationship-building. The group markets itself as one of the largest Southern California tech networking communities and explicitly lists sponsor messa…
Los Angeles chapter of OWASP running recurring AppSec community events, workshops, and security talks for developers, researchers, and security leaders. The chapter actively sells sponsorships for monthly in-person and hybrid events.
Large Greater LA startup meetup community offering office hours, pitch practice, lunches, workshops, and partner events for founders, investors, and career professionals.
Los Angeles chapter of Startup Grind, running recurring founder and startup community events, meetups, and speaker sessions for entrepreneurs, operators, and investors.
ACG Los Angeles runs recurring middle-market finance and dealmaking events for private equity, banking, lending, and advisory professionals, with strong visible sponsorship activity around its gala and chapter calendar.
Nonprofit association connecting founders, VCs, angels, corporate strategics, and advisors through investor-focused programming, salons, and sector communities.
Annual cybersecurity summit (with CISO Forum and Women in Security Forum) plus monthly chapter meetings serving the LA security community.
PMA.LA is Los Angeles' largest product-management community, organizing recurring meetups, mentorship, and a flagship product-and-engineering summit for local product professionals.
Los Angeles startup media-and-events brand running curated founder, operator, and investor gatherings including mixers, dinners, sports socials, and the Ambition summit. Its LinkedIn explicitly pitches sponsorships for both newsletter and o…
LA‑based nonprofit running the annual Fast Pitch competition and year‑round founder education for women entrepreneurs. ([womenfoundersnetwork.org](https://www.womenfoundersnetwork.org/about-us))
Nonprofit life sciences community running the Activator program, workshops, and Demo Day to help academic founders spin out biotech startups in LA.
Regional network of angel investors operating LA‑area investor forums and a monthly roadshow for founders across Los Angeles and Southern California.
The LA chapter of ISSA runs monthly cybersecurity programs and signature annual events including the Security Summit, CISO Forum, and Women in Security Forum.
Monthly Greater Pasadena / Los Angeles tech networking series operated as part of Innovate Pasadena, bringing together entrepreneurs, investors, designers, developers, and local tech community members.
AI LA is a Los Angeles nonprofit that runs recurring AI meetups, mixers, symposiums, and community programming across responsible AI, creative tech, and frontier technology.
Global startup pitch competition and founder community brand with a Los Angeles city chapter listed as established and active in 2026.
Southern California founder and investor community for Stanford alumni and the wider startup ecosystem, running mixers, panels, and investor-oriented networking events centered on Los Angeles.
Startup CPG runs recurring community, education, and networking events for emerging consumer packaged goods brands, founders, and industry partners, including Los Angeles meetups and roadshow stops.
Long-running community meetup for JavaScript developers in Los Angeles featuring technical talks, networking, and community announcements.
Member-supported life sciences trade association for Greater Los Angeles, producing the annual SoCalBio Investor & Partnering Conference plus year-round mixers, roundtables, and programs.
Annual Los Angeles conference focused on generative AI’s impact on film and media, bringing together studios, startups, creators, and technologists.
News and events platform for LA tech, running salon events, community meetups and the annual dot.LA Summit featuring founders, investors and operators.
Volunteer-led chapter hosting monthly events on computer graphics, VFX, and interactive techniques for the LA creative-tech community.
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Every 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.
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