Patrick Mullin

• Founded Harbor, The Trade Desk's first enterprise design system — 97 components powering 2.76M+ live instances across designer Figma files, with 164K+ component insertions per month and 272 monthly active users across 20+ countries.
• Built Google's first cross-product design system, adopted by 196 teams across 24 product areas; led 7 UX Designers, 2 UX Researchers, and 9 contractors.
• $200–500M+ ARR uplift (with an additional $70–350M ARR unlocked) from a pricing and blocking redesign for DoubleClick Ad Exchange.
• Designed and shipped an AI-assisted prototyping tool with Claude Code that lets feature designers generate Harbor-governed React prototypes in a fraction of the time.
• Saved Google 15,000+ hours of design and engineering through 60+ reusable components with full accessibility guidelines and front-end implementations across 2 web frameworks.

Principal User Experience Designer, Chicago, IL – 2023 – Present

• Founded and architected Harbor, The Trade Desk's first enterprise design system, defining the component model, design tokens, accessibility standards, and front-end implementation that govern Kokai (TTD's flagship advertising platform).
• Achieved deep production penetration: 97 Harbor components now power 2.76M+ live instances across designer Figma files, with 164,725 new insertions in the most recent 30-day period; foundational primitives (Data Table family, Button, Badge, Input) carry the bulk of consumption, validating the compositional model.
• Drove broad org adoption: 272 monthly active users across 20+ countries consume Harbor on Frontify, generating 14,183 asset views (+129% YoY) and 25,356 guideline page views over the past 12 months.
• Built and lead a team of 3 UX Designers and 2 contractors driving Harbor's roadmap, governance, and adoption; engaged user base grew 25% year-over-year on a flat registered footprint.
• Drove procurement of Frontify as TTD's first enterprise design system documentation platform after a competitive evaluation against Zeroheight and Bynder, supported by a comprehensive business justification.
• Designed and built an AI-assisted prototyping tool with Claude Code that lets feature designers generate Harbor-governed React prototypes in a fraction of the time; the AI Framework Assets library is among the most-engaged sections of the system.

Sr. Staff UX Manager, Ads Design System, Mountain View, CA & New York, NY – 2018 – 2023

• Built Google's first enterprise design system, adopted by 196 teams across 24 product areas, by leading the architecture, components, and front-end across 2 web frameworks and managing 7 UX Designers, 2 UX Researchers, and 9 contractors.
• Saved Google 15,000+ hours of design and implementation by delivering 60+ reusable components with full accessibility guidelines, Figma & Sketch assets, and front-end implementations.
• Launched a universal density system for Google's desktop enterprise products, scoring 4.71/5 for usefulness and 4.92/5 for ease of use in user testing.
• Recipient of the 2020 Ads Luminary Award for establishing the vision of an enterprise design system that extends Google Material with greater cohesion and accessibility.

Sr. Staff UX Manager, Design System Management (DSM) Tool, Mountain View, CA – 2018 – 2021

• Designed and shipped the official design system management tool for all of Google, adopted by 75 product teams in 56 countries — recipient of the 2021 Ads Tech Impact Award.
• Defined product strategy and design direction in partnership with engineering leadership; managed 2 UX Designers and 1 UX Researcher.
• Designed core flows enabling teams to document and share their design systems as a single source of truth.

Staff UX Designer, Publisher UX, New York, NY & Shanghai, CHN – 2014 – 2018

• Led a cross-continental UX Design and Research team of 11 across three display ads publisher products: DoubleClick for Publishers (DFP) Sales, DFP Reservations, and DoubleClick Ad Exchange (AdX).
• Reduced implementation bugs by 20% by instituting a new UX review process that gave 30+ cross-functional partners structured visibility into in-progress work.
• Defined product roadmaps and drove alignment across engineering, product, and leadership.

Sr. UX Designer, DoubleClick Ad Exchange, New York, NY & London, ENG – 2010 – 2014

• Designed a new pricing and blocking control system and a unified sales tool for the DoubleClick Ad Exchange (a $2.1B/year product), delivering $200–500M+ ARR uplift and unlocking an additional $70–350M ARR.
• Led 3 UX Designers and 1 UX Researcher on the AdX team.

UX Designer, Google Affiliate Network, Chicago, IL – 2008 – 2010

• Designed and front-end developed the post-acquisition migration of the Performics Affiliate Network into Google Affiliate Network, applying Google's brand and design language across the ads suite.

Front-end Web Developer & Sr. Front-end Web Developer, Affiliate Network – 2000 – 2008

• Led design and front-end development of the Performics Affiliate Network through and after the DoubleClick acquisition, delivering hi-fidelity mockups, prototypes, and production code.

B.S. in Business Administration

Major: Computer Information Systems