State Affairs · 0→1 Enterprise AI
State Affairs' first AI product, from 0→1 to Walmart and DoorDash
- 0→1 first AI product
- Walmart + DoorDash first enterprise customers
2026
Anton Castro
Sr. Product Designer & Builder in San Francisco
Designing products for high-stakes work, where the real challenge is building trust. Four 0→1s across healthcare, fintech, and govtech.
Currently building agentic systems at State Affairs
Curated work
Augmedix · AI Platform & Design Systems
A $139M acquisition, scaling AI documentation from one product to four
- +65% engagement
- 1→4 offerings
- $139M acquisition
Rocket · Conversational AI
−75% onboarding, for an AI serving millions of homeowners
- −75% onboarding time
- +22% banker routing
- 94% routing accuracy
Built
Custoria Labs · 0→1 · B2C · iOS
Founding a digital vault for what people value most
Co-founded, designed end to end, and built the iOS app in Swift. Now on the App Store.
Writing
Notes on designing AI-native products: agentic systems, trust, and design that ships in code.
Read on Substack ↗About
U.S. Navy engineer turned designer. BFA in Human-Computer Interaction, MBA in Design Strategy. I lead with the story, build momentum with working prototypes, and ship.
Experience
Sr. Interaction Designer · Policy Intelligence
Led the company's first AI product, 360° Views and AI Chat, into its first enterprise contracts.
- 0→1
- Enterprise AI
- Product Strategy
- Feb 2026 – Present
- 2025
Custoria Labs
Co-founder & Founding Designer
A digital vault for the things people value most, designed end to end and built in Swift; now on the App Store.
- Founder
- Swift
- Security UX
- Oct 2025 – Present
- 2023
Augmedix
Product Designer · AI & Growth
Scaled AI clinical documentation from one product to four: +65% engagement, through the $139M Commure acquisition.
- Agentic AI
- Design Systems
- Healthcare
- Oct 2023 – Nov 2024
- 2022
Rocket
Conversational AI Experience Designer
Founding designer on Liv, the AI assistant for millions of homeowners; cut onboarding time 75%.
- Conversational AI
- B2B2C
- Sep 2022 – Aug 2023
Product Designer
120+ interaction demos anchoring the Twitch, Discord, and YouTube partnerships.
- Prototyping
- Partnerships
- Jun 2021 – May 2022
- 2019
Intuit & Electronic Arts
Product Design Internships
Intuit: +22% QuickBooks conversion via ML personalization. EA: NBA Live's My Player Mode.
- ML Personalization
- Games
- 2019 – 2020
IRL
Experiences that help me develop “taste”
Anton Castro
Sr. Product Designer & Builder in San Francisco
Designing products for high-stakes work, where the real challenge is building trust. Four 0→1s across healthcare, fintech, and govtech.
Currently building agentic systems at State Affairs
Curated work
Augmedix · AI Platform & Design Systems
A $139M acquisition, scaling AI documentation from one product to four
- +65% engagement
- 1→4 offerings
- $139M acquisition
2023–24
Rocket · Conversational AI
−75% onboarding, for an AI serving millions of homeowners
- −75% onboarding time
- +22% banker routing
- 94% routing accuracy
2022–23
Experience
Sr. Interaction Designer · Policy Intelligence
Led the company's first AI product, 360° Views and AI Chat, into its first enterprise contracts.
- 0→1
- Enterprise AI
- Product Strategy
- Feb 2026 – Present
- 2025
Custoria Labs
Co-founder & Founding Designer
A digital vault for the things people value most, designed end to end and built in Swift; now on the App Store.
- Founder
- Swift
- Security UX
- Oct 2025 – Present
- 2023
Augmedix
Product Designer · AI & Growth
Scaled AI clinical documentation from one product to four: +65% engagement, through the $139M Commure acquisition.
- Agentic AI
- Design Systems
- Healthcare
- Oct 2023 – Nov 2024
- 2022
Rocket
Conversational AI Experience Designer
Founding designer on Liv, the AI assistant for millions of homeowners; cut onboarding time 75%.
- Conversational AI
- B2B2C
- Sep 2022 – Aug 2023
Product Designer
120+ interaction demos anchoring the Twitch, Discord, and YouTube partnerships.
- Prototyping
- Partnerships
- Jun 2021 – May 2022
- 2019
Intuit & Electronic Arts
Product Design Internships
Intuit: +22% QuickBooks conversion via ML personalization. EA: NBA Live's My Player Mode.
- ML Personalization
- Games
- 2019 – 2020
IRL
Experiences that help me develop “taste”