Structure complex product problems
I start with real workflows, clarifying roles, resources, states, and exceptions to build product foundations that can evolve.
Explore 1.TalkAbout
PRODUCT DESIGNER → DESIGN LEAD
Helping products grow. And teams grow with them.
I’m Yaya. From early Product Designer to Design Lead, I turn complex user needs into product foundations—and individual experience into methods a team can build on.
- years in product design
- 8
- years in healthcare & B2B SaaS
- 6
- design department built & led
- 0 → 10
WHAT I BRING
Three strengths I bring to a team
Make new capabilities ready to ship
I define AI behavior, human handoff, and QA rules so product, design, and engineering can validate the experience together.
Explore AI AgentMake good judgment transferable
Through design systems, shared rules, documentation, and growth conversations, I help teams build on what they learn.
Explore my leadershipHOW I GOT HERE
From designing a product to building a shared way of working.
Design Lead
Built and led a ten-person design team, promoting two designers to Senior. Led AI Agent design, served as design system PO, and contributed to Japan market research and localization.
Senior Product Designer
Designed the clinic operations platform from scratch, connecting treatments, staff, equipment, schedules, and patients in a calendar workspace. Interviewed staff at 10+ clinics and translated field insights into features.
Product Designer
Designed the first doctor–patient chat experience, including messaging, appointment flows, and the underlying data model.
UI Designer
Designed DottedSign from the ground up across iOS, Android, and Web, building my approach to cross-platform and systematic product design.
Hands-on design. The conditions for a team to do it well.
- Product responsibility
- User research, information architecture, AI behavior and evaluation rules, and design system governance.
- Team responsibility
- Hiring, performance and promotion planning, workload and staffing, design budget, and tool management.
AFTER HOURS
There’s a rhythm beyond the screen.
Pilates, cooking, and annual ski trips to Japan. These routines help me step away from the screen, pay attention, and find my own pace again.
LANGUAGE & CONTEXT
Working across markets
- English
- Business communication, product discussions, design presentations, and interviews.
- 日本語
- JLPT N4. Continuing to study, with N2 as my goal for 2027.
Experience contributing to Japan market research, localized design, and time-zone rules.
LET’S CONNECT
Let’s work on the next complex product problem.
I’m looking to contribute as a Senior or Lead Product Designer on a team that values clear problem framing, cross-functional partnership, and lasting product quality.