Event Sponsor Rankings

Top Event Organizers in Los Angeles

The 25 most sponsor-active event communities in Los Angeles, ranked by our Event Leader Score and refreshed daily.

📊 25 ranked organizers 🔄 Updated September 24, 2026 🔍 13 sponsorship research sessions in Los Angeles in the last 30 days 🤖 Compiled by Sponsor Scout
1
Leader Score 100

Los Angeles nonprofit AI community connecting founders, operators, investors, researchers, corporations, and the public through responsible-AI programming, workshops, summits, and recurring meetups.

weeklyAI professionals, founders, investors, researchers, operators, and corporate innovatorsaistartuppolicy
🎪 HeyGen 101: Designing Your Avatar🤝 9 known sponsors👥 ~30,000 reach📅 Last event: 2026-09-02
👤 Led by Heather Sit · Executive Director✋ Verify you're the leader — free: badge, sponsor pitch page & sponsor leads· Not you? Who leads it?
2

A professional marketing association chapter producing educational programs, networking events, leadership programming and major conferences for marketers across Los Angeles and Southern California.

monthlymarketing professionals, agency leaders, brand managers and business executivesmarketingprofessional developmentcommunity
🎪 The Omnichannel Programmatic Advertising🤝 13 known sponsors👥 ~300 reach📅 Last event: 2026-08-01
👤 Led by Ian Cherkowski · VP of Event Programming✋ Verify you're the leader — free: badge, sponsor pitch page & sponsor leads· Not you? Who leads it?
3
Leader Score 99

A regional bioscience ecosystem organization that convenes Los Angeles life-science founders, investors, researchers, companies, policymakers, and workforce partners through summits, networking, startup programming, and ecosystem initiative…

monthlybiotech founders, investors, researchers, executives, students, and policymakersbiotechlife sciencesstartup
🎪 BioscienceLA Week 2026🤝 8 known sponsors👥 ~616 reach📅 Last event: 2026-09-29
👤 Led by Stephanie Hsieh · Chief Executive Officer✋ Verify you're the leader — free: badge, sponsor pitch page & sponsor leads· Not you? Who leads it?
4

Monthly Pasadena gathering for entrepreneurs, technologists, investors, and innovators featuring presentations, Q&A, and informal networking.

monthlyfounders, technologists, investors, CTOs, entrepreneurs, and innovation professionalsstartupdeep technetworking
🎪 Scaling SaaS Right Now: Lessons from the Frontlines🤝 10 known sponsors👥 ~200 reach📅 Last event: 2026-09-11
👤 Led by Holly Bowyer · Event Organizer and Moderator✋ Verify you're the leader — free: badge, sponsor pitch page & sponsor leads· Not you? Who leads it?
5
Leader Score 96

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.

monthlydesigners, creative directors & emerging creativesdesigncreativebranding
🎪 Coffee with Creatives🤝 13 known sponsors👥 ~120 reach📅 Last event: 2026-08-01
👤 Led by Julie Manthey · Organizer✋ Verify you're the leader — free: badge, sponsor pitch page & sponsor leads· Not you? Who leads it?
6

Recurring Los Angeles networking group for technology enthusiasts, startup professionals, entrepreneurs, investors, and people entering or exploring the tech industry.

weeklytechnology professionals, entrepreneurs, founders, investors, and people entering techwordpressweb developmentopen source
🎪 LA Tech Mixer 2026🤝 24 known sponsors👥 ~900 reach📅 Last event: 2026-09-09
👤 Led by Brian Rabinovitz · Event Organizer✋ Verify you're the leader — free: badge, sponsor pitch page & sponsor leads· Not you? Who leads it?
7
Leader Score 95

Los Angeles chapter of OWASP running recurring application-security meetups, virtual talks, hands-on workshops, and cybersecurity community events for practitioners, developers, students, and security leaders.

monthlysecurity professionals, developers, students, researchers, and technology leaderscybersecurityappsecdeveloper
🎪 OWASP Los Angeles × SecureFlag Secure Development Tournament🤝 9 known sponsors👥 ~80 reach📅 Last event: 2026-09-24
👤 Led by Edmond Momartin · Chapter Leader / Board Member✋ Verify you're the leader — free: badge, sponsor pitch page & sponsor leads· Not you? Who leads it?
8

The region’s major business federation, convening companies, civic leaders, policymakers and entrepreneurs through signature conferences, advocacy trips, policy forums and networking programs.

weeklybusiness executives, civic leaders, entrepreneurs and policymakersbusiness networkingeconomic developmententrepreneurship
🎪 State of L.A. Business🤝 16 known sponsors👥 ~1,000 reach📅 Last event: 2026-08-13
👤 Led by Maria S. Salinas · President & CEO✋ Verify you're the leader — free: badge, sponsor pitch page & sponsor leads· Not you? Who leads it?
9
Leader Score 92

AI on the Lot is an annual Los Angeles conference focused on generative AI in film, television, entertainment, and media production. Its audience combines filmmakers, studio executives, AI startups, investors, creators, and technology vendo…

annualfilmmakers, studio executives, AI startups, investors, creators, and media technologistsaimediafilm
🎪 AI on the Lot 2026🤝 20 known sponsors👥 ~2,460 reach📅 Last event: 2026-05-27
👤 Led by Mike Gioia · Program Director✋ Verify you're the leader — free: badge, sponsor pitch page & sponsor leads· Not you? Who leads it?
10

Large Greater LA startup meetup community offering office hours, pitch practice, lunches, workshops, and partner events for founders, investors, and career professionals.

weeklyfounders, future founders, investors & career professionalsstartupfounderseducation
🎪 The Original Mixer (partner event)🤝 12 known sponsors👥 ~300 reach📅 Last event: 2026-07-23
👤 Led by Gary Livingston · Organizer✋ Verify you're the leader — free: badge, sponsor pitch page & sponsor leads· Not you? Who leads it?
11

Local chapter of the global Startup Grind community, providing recurring founder networking, pitch, educational, and social events in Los Angeles.

weeklyfounders, investors, operators, and startup professionalsstartupfoundersnetworking
🎪 Startup Grind LA Weekly Meetup at the Kinn🤝 14 known sponsors👥 ~200 reach📅 Last event: 2026-09-06
👤 Led by Gregory Manly · Los Angeles Chapter Director✋ Verify you're the leader — free: badge, sponsor pitch page & sponsor leads· Not you? Who leads it?
12
Leader Score 91

The Los Angeles chapter of PRSA delivers professional-development programs, networking mixers, media-focused events, awards and conferences for communications professionals across Greater Los Angeles.

monthlyPR professionals, communications executives, agencies and media practitionerspublic relationscommunicationsmarketing
🎪 PRSA-LA Sunrise Honors 2026🤝 5 known sponsors👥 ~600 reach📅 Last event: 2026-09-17
👤 Led by Tony Ferguson · President✋ Verify you're the leader — free: badge, sponsor pitch page & sponsor leads· Not you? Who leads it?
13
Leader Score 91

Curated Los Angeles startup community serving founders, operators, and investors through recurring mixers, dinners, coffee meetups, social events, and a curated startup summit.

weeklyfounders, operators, investors, and startup service providersstartupfoundersinvestors
🎪 The LA Grind: Startup Community Mixer🤝 22 known sponsors👥 ~250 reach📅 Last event: 2026-09-24
👤 Led by Justin Gordon · Host✋ Verify you're the leader — free: badge, sponsor pitch page & sponsor leads· Not you? Who leads it?
14
Leader Score 88

A dealmaking and executive-networking community connecting middle-market investors, owners, advisors, lenders and corporate-growth professionals through conferences, roundtables, awards and social events.

monthlymiddle-market executives, investors, dealmakers and professional advisorsfinanceM&Aprivate equity
🎪 M&A SoCal 2026🤝 30 known sponsors👥 ~600 reach📅 Last event: 2026-09-14
👤 Led by Johannes Masserer · Executive Director✋ Verify you're the leader — free: badge, sponsor pitch page & sponsor leads· Not you? Who leads it?
15

Nonprofit association connecting founders, VCs, angels, corporate strategics, and advisors through investor-focused programming, salons, and sector communities.

monthlyfounders & investorsstartupventure capitalinvestors
🤝 13 known sponsors👥 ~150 reach📅 Last event: 2026-07-09
👤 Led by Darren Eng · Executive Director✋ Verify you're the leader — free: badge, sponsor pitch page & sponsor leads· Not you? Who leads it?
16

Annual cybersecurity summit (with CISO Forum and Women in Security Forum) plus monthly chapter meetings serving the LA security community.

monthlyCISOs, security leaders, practitioners, vendorscybersecurityinfosecprivacy
🤝 15 known sponsors👥 ~300 reach📅 Last event: 2026-05-19
👤 Led by Richard Greenberg · President, ISSA-LA; Summit Organizer✋ Verify you're the leader — free: badge, sponsor pitch page & sponsor leads· Not you? Who leads it?
17

Los Angeles product-management community organizing recurring product, design, AI, and technology meetups plus larger conferences such as LA Tech Connect.

monthlyproduct managers, designers, engineers, technology leaders, and digital innovatorsproductaistartup
🎪 AI Just Broke Your Strategy. Here's How To Fix It.🤝 16 known sponsors👥 ~150 reach📅 Last event: 2026-09-09
👤 Led by Bettina Megumi Elstro · Organizer✋ Verify you're the leader — free: badge, sponsor pitch page & sponsor leads· Not you? Who leads it?
18

An invite-only peer mentorship community for technology startup founders, with a Los Angeles chapter providing coworking days, mixers, founder roundtables, and relationship-driven programming.

monthlytechnology startup founders and invited ecosystem partnersstartupfounderspeer mentorship
🎪 fnLA Co-working Day + Mixer🤝 8 known sponsors👥 ~75 reach📅 Last event: 2026-09-17
👤 Led by Catya Archer · Chapter Director✋ Verify you're the leader — free: badge, sponsor pitch page & sponsor leads· Not you? Who leads it?
19
Leader Score 82

Southern California chapter of TiE, supporting entrepreneurs through mentoring, networking, education, incubation, angel investing, and pitch competitions.

monthlyfounders, investors, family offices, and corporate partnersstartupinvestorsentrepreneurship
🎪 TiE Los Angeles Investor Summit 2026🤝 5 known sponsors👥 ~400 reach📅 Last event: 2026-09-18
👤 Led by Jerry Heikens · Executive Director✋ Verify you're the leader — free: badge, sponsor pitch page & sponsor leads· Not you? Who leads it?
20
Leader Score 81

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))

annualfemale founders, investors, and ecosystem partnersstartupfemale foundersinvestors
🤝 8 known sponsors👥 ~500 reach📅 Last event: 2026-10-21
👤 Led by Darya Allen‑Attar · CEO & Co‑Founder✋ Verify you're the leader — free: badge, sponsor pitch page & sponsor leads· Not you? Who leads it?
21
Leader Score 81

Nonprofit life sciences community running the Activator program, workshops, and Demo Day to help academic founders spin out biotech startups in LA.

monthlyacademic founders, biotech operators, investorsbiotechlife sciencesstartup
🤝 9 known sponsors👥 ~250 reach📅 Last event: 2026-05-08
👤 Led by Nicoletta Bouzos · Co-Managing Director✋ Verify you're the leader — free: badge, sponsor pitch page & sponsor leads· Not you? Who leads it?
22

Regional network of angel investors operating LA‑area investor forums and a monthly roadshow for founders across Los Angeles and Southern California.

monthlyangel investors & foundersinvestingstartupangel
🤝 8 known sponsors👥 ~120 reach📅 Last event: 2026-05-28
👤 Led by Connie Harrell · Region President✋ Verify you're the leader — free: badge, sponsor pitch page & sponsor leads· Not you? Who leads it?
23
Leader Score 80

The LA chapter of ISSA runs monthly cybersecurity programs and signature annual events including the Security Summit, CISO Forum, and Women in Security Forum.

monthlysecurity professionals & CISOscybersecurityinfosecCISO
🤝 8 known sponsors👥 ~150 reach📅 Last event: May 2026
👤 Led by Richard Greenberg · President✋ Verify you're the leader — free: badge, sponsor pitch page & sponsor leads· Not you? Who leads it?
24

Global startup pitch competition and founder community brand with a Los Angeles city chapter listed as established and active in 2026.

quarterlyearly-stage founders & startup communitystartuppitchfounders
🎪 Founders Live Los Angeles🤝 7 known sponsors👥 ~100 reach📅 Last event: 2026-02-01
👤 Led by Erica Buyalos · City Leader✋ Verify you're the leader — free: badge, sponsor pitch page & sponsor leads· Not you? Who leads it?
25

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.

monthlyfounders, investors & Stanford alumnistartupinvestorsnetworking
🎪 Summer Networking Mixer at STK Westwood🤝 4 known sponsors👥 ~100 reach📅 Last event: 2026-07-30
👤 Led by Justine Lassoff · President✋ Verify you're the leader — free: badge, sponsor pitch page & sponsor leads· Not you? Who leads it?

269 companies sponsor events in Los Angeles

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.

Perkins CoieQualcommHeyGenNRW.Global BusinessPVBLIC FoundationGibson DunnMorrison FoersterLoyola Marymount UniversityAE StudioWeWorkVarietyTriNetMendocino FarmsKINDHeadshotTruckGetaroundExpert DOJOEaze+251 more
Find your sponsors free →

Want your event or community to be listed?

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 in

How we rank — the Event Leader Score

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.

Sponsor activityHighest weight
How many distinct companies actively sponsor their events — the strongest signal of a live, fundable program.
Event frequencyHigh weight
How regularly they run events. Weekly & monthly cadences earn more than one-offs.
AudienceMedium weight
Estimated reach and the quality of the crowd they convene (founders, operators, investors).
RecencyLower weight
How recently they last gathered people — active beats dormant.
ReachLower weight
Web, social, and community footprint that amplifies a sponsor's spend.
Verified leaderBonus
A confirmed organizer who has verified their listing with a one-click email check — verified groups rank higher and earn a badge.

How to be #1 in Los Angeles

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.

Verify your listingInstant boost
Confirm you lead the group with a one-click email check. Verified leaders earn a badge and an instant score bump.
Land more sponsorsBiggest lever
Sponsor activity is the heaviest signal. Every distinct company that backs your events lifts your score — and your rank.
Run events consistentlyBig lever
A regular cadence beats one-offs. Weekly and monthly programs rank far above occasional gatherings.
Grow your audienceMeaningful lever
Bigger, higher-quality crowds (founders, operators, investors) make you a more attractive sponsor bet.

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.

Want the verified contacts behind Los Angeles's 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.

Get the Sponsor Scout Daily — free

One short email each weekday: a real story about a real company sponsoring the startup ecosystem, plus the day's freshest finds.

✓ Free forever✓ One email per weekday✓ Unsubscribe in 1 click