Philip Sebastian

Founder, product operator, and designer building AI-native products at the intersection of trust, clarity, and real-world use.

Now

• Building Korpus — trust infrastructure for suspicious messages, screenshots, and links
• Exploring Moonrise — wellness and longevity systems with a calmer AI posture
• Operating Sidequest Ventures — a curated builder community for designer-led founders, repeat founders, and accelerator alumni

Experience

• Product Designer at Apple
• Senior UX Designer at SAP
• Built and operated startups (Backed by YC Alumni) across fintech, SaaS, wellness, and consumer
• Worked across developer tools, enterprise software, and AI-native products
• Paragon / Apple / SAP / Imgur (selected work)

Principles

• Clarity beats complexity
• Trust is a product layer
• Design should improve decisions
• AI should reduce noise, not create more of it
• Ship → learn → refine

Contact

Open to select 0→1 product, design, and advisory work.