Second Brain AI Salon #12 — From Intelligence to Presence: Building AI Companions with Memory, Voice & Personality
Second Brain AI Salon #12 — From Intelligence to Presence: Building AI Companions with Memory, Voice & Personality
Date: Friday, October 23, 2026
Time: 4:00 PM – 5:30 PM PDT
About the Salon and Conversation
What makes an AI feel less like a tool and more like a continuing presence in our lives?
As AI moves beyond text-based chat, a new generation of products is exploring voice interaction, multimodal intelligence, persistent memory, and personalized experiences. The challenge is no longer just making AI smarter—it is designing systems that understand context, adapt over time, and interact with people in ways that feel natural and meaningful.
At this Second Brain AI Salon, we welcome Polly Lau, Founder of PoliSyntia, to share her work on Petal, an early-stage AI companion prototype exploring voice, personality, emotional interaction, and personalized experiences.
Together, we will explore how memory and multimodal AI can support continuous, contextual, and human-centered interactions—and what it takes to turn an engaging prototype into a useful product.
What to Expect
Practical Product & Engineering Insights: Deep dive into ambient UI, memory architecture, voice latency, and emotional design.
Live Prototype Demo: Experience Petal in action to ground our technical trade-off discussions in real product decisions.
Interactive Community Discussion: Connect with founders, builders, and researchers working on agentic interfaces and personal AI.
Conversation Topics
Beyond the Chatbot: Designing AI for continuous presence rather than isolated transactions.
Memory, Personality & Personalization: Maintaining continuity without making incorrect or uncomfortable assumptions.
Voice & Multimodal Interaction: Making interactions feel natural, responsive, and emotionally attuned.
From Software to Physical AI: Challenges and opportunities when an AI companion transitions to a physical desktop device.
From Prototype to Product: Validating real user needs, building long-term trust, and driving daily retention.
Who Should Attend
AI Product Managers & Designers building ambient, conversational, or agentic interfaces.
Engineers & Researchers working on multimodal LLMs, voice latency, persistent memory, or physical AI.
Founders & Investors exploring the next wave of consumer and companion AI applications.
Featured Host & Speaker
Polly Lau — Founder of PoliSyntia
PoliSyntia
Polly’s background spans Learning Sciences & Technologies at the University of Pennsylvania, Education Studies at UCL, AI product development, and early-stage innovation. As the founder of PoliSyntia, she explores multimodal AI companions and personalized learning experiences. Her prototype, Petal, serves as a foundation for examining how AI moves from transactional queries to persistent presence.
Second Brain AI Salon Dinner — Continue the Conversation
After the salon, we’ll walk about 3 minutes to Papa Noodle (117 New Montgomery St) for dinner, conversation, and continued connections.
The owner will personally welcome our Second Brain AI Salon guests and offer:
Special pricing on two chicken noodle options
Special pricing on one vegan noodle
Complimentary snacks
We have a group table for up to 14 guests.
After the event, we’ll take a group photo. During the photo, please raise your hand to let us know if you’re joining dinner. We’ll confirm your seat number on site.
Dinner seats are limited — please confirm your seat early.
About Second Brain AI Salon
AI is becoming more capable every day, but one fundamental challenge remains: memory.
How can AI understand context, learn from experiences, and collaborate with humans over time?
The Second Brain AI Salon is a weekly gathering in San Francisco bringing together AI builders, founders, engineers, researchers, and thinkers for open conversations about the future of AI, memory, agents, and human-AI collaboration.
This 8-week conversation series explores how AI will evolve from powerful tools into intelligent collaborators.
Join the Conversation
Second Brain AI Salon is intentionally small and conversational.
We welcome founders, engineers, researchers, educators, designers, students, builders, and curious minds who are interested in where AI is heading — and what humans will become alongside it.
Come for the conversation.
Stay for the people, ideas, and unexpected connections.
San Francisco · Every Friday
Second Brain AI Salon
Exploring memory, intelligence, and human–AI collaboration — one conversation at a time.
AI is becoming more capable every day. But as AI becomes more intelligent, one fundamental question becomes increasingly important:
How can AI understand context, learn from experience, and collaborate with humans over time?
Second Brain AI Salon is a weekly gathering in San Francisco bringing together AI builders, founders, engineers, researchers, educators, and independent thinkers for open conversations about the future of AI memory, agents, intelligent systems, and human–AI collaboration.
Across eight Fridays, we are exploring a broader question:
How does AI evolve from a powerful tool into an intelligent collaborator?
Each week approaches this question from a different angle — from memory and education to agents, software creation, human–AI collaboration, and ultimately the communities and systems that will shape the next generation of Silicon Valley.
The Conversation Series
Week 1 · July 31
Why Does AI Need Memory?
What does AI lose when it cannot remember? Exploring memory, context, continuity, and the foundations of the AI Second Brain.
Week 2 · August 7
Building the AI Second Brain & LingCode
How can AI become a persistent cognitive partner rather than a collection of disconnected conversations?
Week 3 · August 14
AI, Education & the Future of Intelligent Companions
How will humans learn differently when AI can teach, interact, remember, and exist in the physical world?
Week 4 · August 21
LayerSecond Brain AI Salon #04 — From Gaming to Real-World Intelligence: Can AI Rebuild How We Learn, Work & Grow?
Week 5 · September 4
AI Agents: Digital Employees or New Forms of Intelligence?
Are agents simply automation tools, or are we developing a fundamentally new form of software intelligence?
Week 6 · September 11
Cutting AI Spend: Building Lean, Stateful & High-ROI Agentic Systems
Week 7 · September 18
Second Brain AI Salon #07 - Beyond ChatGPT: Architecting the Personal AI Memory Layer
Week 8 · September 25
Second Brain AI Salon #08 - Can AI Make Us Better Thinkers? Debate, Cognition & the Future of Human Reasoning the Next Silicon Valley: Trust, Community & Innovation
Join the Conversation
Second Brain AI Salon is intentionally small and conversational.
We welcome founders, engineers, researchers, educators, designers, students, builders, and curious minds who are interested in where AI is heading — and what humans will become alongside it.
Come for the conversation.
Stay for the people, ideas, and unexpected connections.
San Francisco
Second Brain AI Salon
Exploring memory, intelligence, and human–AI collaboration — one conversation at a time.
About the Hosts
The Second Brain AI Salon is hosted by Henry Kendall and Heidi (Jing) Wu, co-creators of The Second Brain: AI and the Practice of Scientific Thinking.
Together, they explore the future of AI, memory, agents, and human-AI collaboration while documenting their journey of building an AI startup in public from San Francisco.
Henry Kendall
Engineering • Rapid Prototyping • Technical Execution
A Silicon Valley engineer and entrepreneur with 30+ years of industry experience.
Heidi (Jing) Wu
Product Vision • Writing • Storytelling
An author and AI explorer documenting the startup journey through writing, videos, and the series Keeping Up with the Kendalls.
Join founders, engineers, researchers, and builders as we explore the next generation of intelligent systems.
Second Brain AI Salon — Community Guidelines
Respect the Venue
We met in the public space on the first floor of the LinkedIn building. Please follow all building, security, and safety rules and respect LinkedIn employees and other visitors.Be On Time
This is a small, serious, conversational salon — not a drop-in networking event. Please arrive on time and stay for the conversation whenever possible.Prepare Your Introduction
Each participant will have 1–2 minutes to introduce themselves:Who you are
What you are building / working on
What you are looking for
One question you would like to discuss
Respect the Closing Time
We aim to wrap up the conversation around 5:00 PM, followed by a group photo and an invitation to join our WhatsApp community. The LinkedIn public space closes at 6:00 PM. Please cooperate with building security and leave the venue by 5:55 PM.Coffee & Facilities
Coffee is available before 4:00 PM. The first-floor café closes at 4:00 PM. Restroom access requires a code — please ask the organizers if you need assistance.Recording & Content Policy
Second Brain AI Salon may photograph, record, and document parts of the event for event recaps, social media, video, newsletters, and other community content. By participating, you acknowledge that you may appear in event photos or recordings. Please do not share confidential, private, or sensitive information during the public conversation. If something is explicitly stated to be “off the record,” please respect that request.
We are here to exchange ideas, not to sell to each other. Come curious, contribute thoughtfully, and help make the conversation better for everyone.