Bouldering San Francisco

Rock Climbing @ Pacific Pipe, Oakland

Let's go Rock Climbing at Oakland's very own Pacifc Pipe, the nation's largest rock climbing gym! All skill levels are welcome. Day Pass: $35 Shoe Rental: $4

Lead & TR Climbing at Pacific Pipe

Hello! We'll meet at the picnic table near the front desk. Please have belay experience and a Touchstone belay card. We'll start shortly after 10 am. If you're late, come find us. See you soon!

Lead & TR Climbing at Pacific Pipe

Hello! We'll meet at the picnic table near the front desk. Please have belay experience and a Touchstone belay card. We'll start shortly after 10 am. If you're late, come find us. See you soon!

Lead & TR Climbing at Pacific Pipe

Hello! We'll meet at the picnic table near the front desk. Please have belay experience and a Touchstone belay card. We'll start shortly after 10 am. If you're late, come find us. See you soon!

Slackline Wednesday

**Slackline Wednesday(s) in San Francisco's Golden Gate Park, at the Panhandle!** (*Oak St & Cole St, from 5:30 PM until dark.*) Meet the SF Slackers: bring a slackline, or try someone else's! Last few weeks of sunlight until 19:00 (last, Wed Sep 23, 2026). Have you ever seen people balancing on lines in Golden Gate Park and thought, "*I could never do that*"? Well, we’re here to prove you wrong! Slackline Wednesday is the most beginner-friendly spot in the City. There’s no pressure to perform; just a bunch of friendly neighbors trying to stay upright. Come down to the Panhandle and take your first shaky steps—we promise you’ll be hooked! ⁂ ⁂ ⁂ *Last few weeks of sunlight until 19:00: final summer session, Wed Sep 23, 2026.* ⁂ ⁂ ⁂ Facebook Group: SFslackers Instagram: @sf_slackers

Slackline Wednesday

**Slackline Wednesday(s) in San Francisco's Golden Gate Park, at the Panhandle!** (*Oak St & Cole St, from 5:30 PM until dark.*) Meet the SF Slackers: bring a slackline, or try someone else's! Last few weeks of sunlight until 19:00 (last, Wed Sep 23, 2026). Have you ever seen people balancing on lines in Golden Gate Park and thought, "*I could never do that*"? Well, we’re here to prove you wrong! Slackline Wednesday is the most beginner-friendly spot in the City. There’s no pressure to perform; just a bunch of friendly neighbors trying to stay upright. Come down to the Panhandle and take your first shaky steps—we promise you’ll be hooked! ⁂ ⁂ ⁂ *Last few weeks of sunlight until 19:00: final summer session, Wed Sep 23, 2026.* ⁂ ⁂ ⁂ Facebook Group: SFslackers Instagram: @sf_slackers

Lead & TR Climbing at Pacific Pipe

Hello! We'll meet at the picnic table near the front desk. Please have belay experience and a Touchstone belay card. We'll start shortly after 10 am. If you're late, come find us. See you soon!

Slackline Wednesday

**Slackline Wednesday(s) in San Francisco's Golden Gate Park, at the Panhandle!** (*Oak St & Cole St, from 5:30 PM until dark.*) Meet the SF Slackers: bring a slackline, or try someone else's! Last few weeks of sunlight until 19:00 (last, Wed Sep 23, 2026). Have you ever seen people balancing on lines in Golden Gate Park and thought, "*I could never do that*"? Well, we’re here to prove you wrong! Slackline Wednesday is the most beginner-friendly spot in the City. There’s no pressure to perform; just a bunch of friendly neighbors trying to stay upright. Come down to the Panhandle and take your first shaky steps—we promise you’ll be hooked! ⁂ ⁂ ⁂ *Last few weeks of sunlight until 19:00: final summer session, Wed Sep 23, 2026.* ⁂ ⁂ ⁂ Facebook Group: SFslackers Instagram: @sf_slackers

Vertical Medicine Course

Slackline Wednesday

**Slackline Wednesday(s) in San Francisco's Golden Gate Park, at the Panhandle!** \*\*LAST SUMMER SESSION\*\* (*sunlight until 19:00*)*.* *Oak St & Cole St, from 5:30 PM until dark.*) Meet the SF Slackers: bring a slackline, or try someone else's! Have you ever seen people balancing on lines in Golden Gate Park and thought, "*I could never do that*"? Well, we’re here to prove you wrong! Slackline Wednesday is the most beginner-friendly spot in the City. There’s no pressure to perform; just a bunch of friendly neighbors trying to stay upright. Come down to the Panhandle and take your first shaky steps—we promise you’ll be hooked! ⁂ ⁂ ⁂ Facebook Group: SFslackers Instagram: @sf_slackers ⁂ ⁂ ⁂ Next summer season session run: **Mar 17** thru **September 15**, 2027 (27 weeks).

Startup Pitch Night SF | Builders for San Francisco

# 🚀 *Startup Pitch Night SF* Founders, builders, investors, and operators - join us in San Francisco for live startup pitches, direct feedback, and focused networking. From the organizer behind a recent San Francisco startup event with *770+ registrations*.  📅 *September 2 , 6pm- San Francisco, Werqwise, 7th floor* 🎟️ *Choose Your Access* * *Free Access* \- Request to join and wait for approval\. * *Priority Access + 1 Drink* \- Direct registration\, priority entry ahead of Free Access guests\, and one drink\. * *Founder Pitch Packages* \- Want to pitch your startup on stage? Founder packages are available below\. 👇 *See Founder Pitch Packages below for details.*  Entry and seating remain subject to venue capacity. 🎤 *What to Expect* * Live startup pitches * Direct feedback and audience Q&A * Curated networking with founders, builders, investors, and startup operators * Opportunities for hiring, investment, partnerships, customers, and collaboration * A high-energy room built around people who are actually building  # ⚖️ ***Meet the Judges:* ​​​​​​​​​​** * *[Alan Zong](https://www.linkedin.com/in/alanzong/) (*Partner & Co-founder at UpScaleX) UpScaleX is a San Francisco and Palo Alto-based seed fund and founders' community focused on AI-native applications, agentic economies, and vertical AI. * [Mark Liu](https://www.linkedin.com/in/markliu0000/) \| Seed\-stage investor at UpScaleX focused on applied AI and agentic systems\, bringing a sharp investor lens from his background in software private equity\. * [Maria Frolova](https://www.linkedin.com/in/frolovamaria/) (Fractional CFO and Advisor to Founders SaaS \| AI \| FinTech \| Financial Services & M&A \| Marketplaces & eCommerce\, Recovered JPMorgan investment banker with 5 IPOs and $30B in M&A under her belt\, Fractional CFO of TrueLeap \(AI\, SaaS\, infrastructure\)\, PortlyAI \(AI\, Future of Work\)\, Project Pixel \(AI\, AdTech\)\. Advisor @ Astia\. Mentor @Techstars Founding Partner of ESSNTL (advisory and fractional leadership services), Executive leader in Finance and Data at Fintech unicorn Republic and e-Commerce startup VIDA, Migrated $2B EFI legacy business to SaaS as Corp Dev and Partnerships leader) * [Pranjal Saxena](https://linkedin.com/in/pranjal-saxena) \- Strategy & Operations at Google \| AI GTM \| Angel Investor \(AI GTM\) \| Ex McKinsey \| HBS \| ITC \| IIT\-K \| Harvard Business School ## 🌟 *Invited Expert: [Arriel Balogun, MBA, PMP, SSYBC](https://Entry and seating remain subject to venue capacity. 🎤 What to Expect • Live startup pitches • Direct feedback and audience Q&A • Curated networking with founders, builders, investors, and startup operators • Opportunities for hiring, investment, partnerships, customers, and collaboration • A high-energy room built around people who are actually building 🌟 Invited Expert Arriel Balogun, MBA, PMP, SSYBC LinkedIn: https://www.linkedin.com/in/arrielbalogun/ ⚖️ Meet the Judge: Alan Zong Partner & Co-founder at UpScaleX, a San Francisco and Palo Alto-based seed fund and founders' community focused on AI-native applications, agentic economies, and vertical AI. LinkedIn: https://www.linkedin.com/in/alanzong/)* 👥 *Who Should Join* This event is designed for: * Startup founders * Engineers and AI builders * Investors and angels * Product and startup operators * People looking for co-founders, talent, customers, partnerships, investment, or new opportunities  🚀 *Founder Pitch Packages* Want to pitch your startup on stage? Founder packages are currently offered privately by request and are not available through the normal public ticket selector. 🎤 *Starter - $29* Best for a quick startup introduction. * 1-minute pitch on stage * Product or company link * Basic company listing on Luma * Startup poster or visual displayed during your pitch * Opportunity to place a limited number of company-provided flyers in the designated event area * Listing in the shared B4SF Startup Directory 🚀 *Visibility - $69* Best for a launch or stronger event visibility. * Priority pitch scheduled before Starter pitches * 2-minute pitch on stage * Priority product or company link * Priority company listing on Luma * Priority poster placement during your pitch * Placement of one company-provided physical poster in an approved event area * Priority B4SF Startup Directory listing The participating company must print and bring its physical poster. 🏆 *Showcase - $149* Best for maximum event presence. * Top-priority pitch scheduled before Visibility and Starter pitches * 3-minute pitch on stage * Dedicated event table for approved promotional and demo materials * Priority product or company link * Priority company listing on Luma * Priority poster placement during your pitch * Placement of one company-provided physical poster * Priority B4SF Startup Directory listing * Media support beginning up to 2 weeks before the event and continuing through 1 week after the event * Exposure through the B4SF email newsletter with an audience of approximately 20K emails 📦 *Materials* Participating companies provide their own: * Posters * Flyers * Business cards * Demo materials * Banners, if permitted * Other approved promotional materials B4SF provides the approved placement and table opportunity included with the applicable package. 🔐 *How to Request a Founder Package* 1. Choose Starter, Visibility, or Showcase. 2. Message the organizer on LinkedIn with the package you want. 3. You will receive a private one-use access code. 4. Use the code to purchase your Founder Pitch Package. Founder packages are not currently available for direct public checkout.  📍 *Location:* 465 California Street, Werqwise (7th floor) at *Merchants Exchange Building,* San Francisco, California Exact venue details and additional speakers and judges will be announced. 📸 *Community Highlights from Previous Events* A look at startup pitches, builder conversations, direct feedback, networking, and community moments from previous events organized by the host in San Francisco. *Important:* Photos shown below are from previous events. The people, venues, companies, and brands appearing in these photos are not confirmed speakers, sponsors, partners, judges, or participants for this event. 🏆 *Pitches, Recognition & Community* 🎤 *Speakers, Feedback & Builder Conversations* 🤝 *Community Energy & Networking* 🚀 *Interested in Pitching?* Message the organizer on LinkedIn to request access to a Founder Pitch Package. *Builders for San Francisco \| B4SF team* # **Agenda:** 📅 September 2, 2026 (Tuesday) 6:00 p.m. - Doors Open and Networking Begins 6:45 - 7:15 p.m. - Opening, Panel 7:15 - 8:15 p.m. - Pitches 8:15 - 9.00 p.m. - Giveaway section + Networking # ​Panelists: * [Mark Liu](https://www.linkedin.com/in/markliu0000/), Seed-stage investor at UpScaleX. * [Maria Frolova](https://www.linkedin.com/in/frolovamaria/) , Fractional CFO and Advisor to Founders, JPMorgan investment banker, Mentor @Techstars, Founding Partner of ESSNTL * [Pranjal Saxena](https://linkedin.com/in/pranjal-saxena) \- Strategy & Operations at Google\, Angel Investor\, Ex McKinsey * [Renuka Mujumdar,](https://www.linkedin.com/in/renukamujumdar/) founder of Nullspace (community of 140K+ Community, Keynote Speaker) * **[Andrea Tortella](https://www.linkedin.com/in/andrea-tortella/),** CEO @ thrad - Paid ads in LLMs # The pitchers: * [Nelly Perchatkin,](https://www.linkedin.com/in/nelly-perchatkin-midnight/) Founder & CEO of [Midnight Mastermind Technologies](https://mastermymind.co), is a trauma survivor who rewired her mind after her brother’s fatal plane crash and years of complex trauma. She now blends neuroscience, ancient practices, and technology to help shape the future of health tech. * Master My Mind is a psychotherapist-backed subconscious reprogramming platform that uses personalized AI-generated affirmation scripts, brainwave audio, and subliminals to help users form habits, reach goals, and manifest. [https://b4sf.com/companies/master-my-mind](https://b4sf.com/companies/master-my-mind)  * [Francesca Scipioni](https://www.linkedin.com/in/francesca-scipioni), Co-founder & CEO [Rigel](https://rigelsignal.com) (Rigel is a skills-first recruiting platform that scores candidates on what they can actually do, not on the keywords in their CV. Every match score is a transparent weighted sum the recruiter controls — decomposable, reproducible by hand, with AI used to read CVs and never to make the decision. Candidates never click "apply": once a profile is confirmed it is scored automatically against every open role, and both sides stay anonymous until a recruiter shortlists). [https://b4sf.com/companies/rigel](https://b4sf.com/companies/rigel) * * [Avinash Gujje](https://www.linkedin.com/in/gujjeavinash), Founder & CEO @ [ZUUZ](https://zuuz.ai) (a platform that turns sales email into pipeline automatically. ZUUZ connects with existing CRMs and sales mailboxes to identify deals, renewals, and RFPs that were happening in email but never made it into the CRM, without changing how sales teams already work. [https://b4sf.com/companies/zuuz](https://b4sf.com/companies/zuuz) * [Bogdan Barchuk](https://www.linkedin.com/in/vulnz), Founder & CTO, [Insomnia ](https://insom.ai/)by CQR Cybersecurity LLC (an all-in-one cybersecurity toolkit for authorized security testing. Insomnia combines vulnerability discovery, web and API testing, network and Active Directory assessment, OSINT, mobile analysis, exploit validation, AI-assisted workflows, and reporting in one integrated platform). [https://b4sf.com/companies/insom-ai](https://b4sf.com/companies/insom-ai) * [Yezhisai Murugesan, ](https://www.linkedin.com/in/yezhisaim)Funder @ [Ask The W](https://www.askthew.com) (a human-facing product layer around AI agents. Ask The W helps builders set the direction, orchestrates work across specialized AI agents, and carries projects from idea to execution without losing context). [https://b4sf.com/companies/ask-the-w](https://b4sf.com/companies/ask-the-w) * Josephine Lee   🎤 Speakers, Feedback & Builder Conversations 🤝 Community Energy & Networking  ![]() [Request Priority Access](https://luma.com/4ireywo7?utm_source=meetup&utm_medium=community&utm_campaign=b4sf_sep3_priority)

Mt. Tam Meander around East Peak (~11.5 mi, ~1850')