Director of Product Design, AI Labs & Head of Design Systems, Zeta Global
hellojohnnymac@gmail.com · johnmacmenamin.com
20 years leading UX and product design teams across diverse sectors. KPI-driven playbooks that accelerate design, unblock engineering, and drive innovation in fast-growing startups. Proven track record in B2B enterprise SaaS, with the business fluency to communicate design's value to stakeholders and the craft to stay hands-on.
Experience
Director of Product Design, AI Labs · Zeta Global
2025-
Head of Design Systems · in partnership with OpenAI
- {{TODO: John — 3-4 bullets for the Zeta Global role}}
Head of Design · Inworld AI
2023-2025
Gen AI character and voice platform · Microsoft and Nvidia partners
- Designed 30 product features including Multi-Agent Chat, AI Fine-Tuning, and Narrative Graph.
- Led design and development collaboration with the Microsoft team for an AI-driven app/game at GDC24.
- Established and recruited three design pillars: Product Design, UX Research, and Design Systems.
- Delivered a UXR program handbook saving 39% in testing costs while improving CSAT by 23%.
Design Architect · Meta Platforms (Facebook)
2021-2023
Family of Apps: Facebook, Instagram, WhatsApp, Workplace
- Drove the V2 design system to 80% adoption, saving 1.73 million lines of code.
- Led the 0-to-1 "Lightweight Groups" concept that was picked up and became Meta Threads.
- Led the Messenger-to-Facebook-Web reintroduction, boosting revenue per visitor by 1.9% across 3.5B users.
- Coordinated on the Architects Counsel to align cross-functional roadmaps; accelerated delivery from 6 to 2 months.
- Won the Facebook Design rebrand and deployed the new identity at the Facebook Design Summit.
Founder · Pegasus Product Design, LLC
2020-2023
pegasusdesignsystem.com
- Created the #1 trending Figma design system (a FigPick by the Figma core team), used by 80K+ people.
- Honed an 80%-rule system serving diverse global users; scaled to the LowFlow wireframe library with four releases in a year.
- Led Friends of Figma meetups in Kyiv and Sri Lanka on multi-brand design systems.
Director of UX, then Head of Product Design (VP) · Block.one
2018-2020
EOSIO blockchain ecosystem · Bullish exchange and the Voice social platform
- Fifth employee; helped scale global recruiting from 5 to 400, partnering with HR, the CTO, and the CEO.
- Built a coded component design system and established an Innovation Lab that guided Voice and Bullish from gated testing to scaled launches.
- Led PM/UX strategy for the 200M ARR Bullish.com trading experience with teams in Hong Kong and Singapore.
- Raised the design system Lighthouse accessibility score from 13% to 100% (WCAG 2.1).
- Delivered 4 products and 2 site redesigns across 3 concurrent work streams.
Principal UX Designer · AIG
2016-2018
FinTech investments and healthcare (VALIC)
- Created a 30-component React design system on atomic principles, reducing the engineering roadmap by 27%.
- Lifted completion rate 23% with a platform suggesting specific local availability.
- Reached WCAG 2.1 compliance across multiple properties, driving a 9% traffic increase.
Lead Product Designer · SalesStaff, LLC
2016
B2B demand generation platform
- Designed a signup application that increased customer onboarding by over 80%.
- Reduced sales legal redlines by 80% with an internal sales app launched in three months.
- Spearheaded an internal product agency saving 27% over outside agencies.
Senior UI/UX Engineer · WM (Waste Management)
2012-2016
Logistics and recycling
- Designed 36 machine-learning modules, increasing new-user signups by 52%.
- Unified five apps into one customer-service portal, cutting search time from 20 seconds to 1.
- Managed and optimized WM.com (2M page impressions per month) and 500+ domains.
Founder · Altered Studio
2006-2012
Creative design agency
- Delivered brand identity, product design, and conversion work for clients including 3M, Nida-Core, and LexisNexis.
Education, awards, speaking
- Indian River State College · Computer Science / Graphic Design
- Project Management Professional training (PMTI)
- Winner, Facebook Design Brand Identity Competition
- Two Webby Awards (Bullish marketing campaign; WOL character with 8th Wall / Inworld AI)
- Speaker: EOSIO Global Hackathon (Hong Kong, Australia, London), Virginia Tech Women in Tech, GDC24