# Rayyan Toh

> Product Strategy, Design & UX Architecture for Enterprise GenAI · 0→1 Specialist

Location: San Francisco, California, United States
Profile: https://flows.cv/rayyantoh

👉 Staff-level IC specializing in transforming ambiguous concepts into enterprise-scale AI solutions
👉 Designing scalable, user-driven UX architecture that builds trust, mitigate risk and delivers measurable impact
👉 Experienced in leading end-to-end design within lean multidisciplinary teams, with diverse cross–industry experience spanning seed-stage startups to Fortune 500

## Work Experience
### Lead Product Designer @ Sequoia
Jan 2026 – Present

### Senior Product Designer II / Staff Designer – Generative AI @ McKinsey & Company
Jan 2024 – Jan 2026 | San Francisco Bay Area
Lilli is McKinsey & Company’s generative AI platform for insights and knowledge. Powered by McKinsey’s proprietary IP, it enables consulting teams to apply GenAI in tangible, high-impact ways — helping them solve complex problems faster, more effectively, and at greater scale.

* Lead UX and UI design for intuitive, high-utility experiences across core features of McKinsey’s GenAI platform.

* Partner with multidisciplinary squads to define and build actionable, user-centered GenAI solutions that accelerate problem-solving for consultants.

* Helped scale Lilli from early proof-of-concept to Firm-wide adoption, with 32K active users and over 500,000 prompts per month.

### Senior Designer I, II – Build by McKinsey @ McKinsey & Company
Jan 2021 – Jan 2024 | San Francisco Bay Area

### Designer II – Build by McKinsey @ McKinsey & Company
Jan 2019 – Jan 2021 | Greater Chicago Area
Build by McKinsey is an end-to-end tech delivery unit that works within and alongside client teams, embedding deep industry and technical expertise to deliver high-performing businesses, modernize core technology and redefine customer experiences.

0-N product design & development for startups to Fortune 500, across a spectrum of industries.

### Senior Designer – UX, UI & Industrial Design @ Seismic
Jan 2017 – Jan 2019 | San Francisco Bay Area
Seismic builds textile-based powered exosuits for consumer wellness and industrial operations. As Senior Designer for the Wellness category I reported directly to the VP of Design, and drove the visual and UX development of exosuit hardware and user interface.

### Industrial Designer @ LUNAR, a McKinsey company
Jan 2015 – Jan 2017 | San Francisco Bay Area
Created product concepts and user experiences, working with internal and external engineering teams to bring physical products to manufacture and market. Supported project pitches, design presentations, business development and client management.

### Industrial Designer @ Idea Couture Inc.
Jan 2013 – Jan 2015 | San Francisco Bay Area
Responsible for translating consumer and client insights into innovative and forward-thinking product concepts. Facilitated cocreation and ideation workshops and Interacted and worked directly with client stakeholders.

### Design Intern @ Easton-Bell Sports
Jan 2012 – Jan 2012 | Greater Los Angeles Area
Member of R&D division for: 
- Ice Hockey footwear and protective gear
- Lacrosse and Baseball protective gear

Was involved in:
- Concept generation
- Trend, Market and User research
- Creating functional proof of concept mockups
- Concept development 
- Generating tech packs for manufacture
- CAD modelling for manufacture


## Education
### Bachelor of Science (B.S.) in Industrial and Product Design
ArtCenter College of Design

### Diploma in Product Design
LASALLE College of the Arts


## Contact & Social
- LinkedIn: https://linkedin.com/in/rayyantoh

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Source: https://flows.cv/rayyantoh
JSON Resume: https://flows.cv/rayyantoh/resume.json
Last updated: 2026-04-13