Preston McPeak

Senior Product Designer

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Senior product designer with 8+ years designing complex, data-driven web applications for enterprise environments. Experienced across the full design cycle from user research through shipped, production-ready systems. Brings strong systems thinking, technical fluency, and a track record of translating ambiguous, logic-heavy requirements into clear, usable solutions.

PricewaterhouseCoopers (PwC) Jun 2018 – Oct 2024

UX Portfolio Lead

Tax
Jul 2024 – Oct 2024
  • Led UX strategy across 6+ products in the Corporate and Specialty Tax portfolios, partnering with stakeholders to evaluate end-to-end workflows, align experiences across products, and prioritize design initiatives across teams

Lead Product Designer

Sightline Core Platform
Jun 2023 – Jul 2024
  • Directed creation of a UX interaction playbook for data-heavy table interfaces, empowering designers with reusable Figma components and shared patterns adopted across 15 PwC Tax products
  • Contributed to a unified entity data system supporting migration and management of 80,000+ legal entity records serving as a single source of truth across the tax ecosystem
  • Facilitated weekly design critiques for a team of 10 designers, providing feedback on usability, visual consistency, and product alignment

Senior Product Designer

Sightline Deliverables & Tasks
Mar 2023 – Jul 2024
  • Designed e-file system mapping feature enabling tax engagements to surface IRS statuses to clients ahead of statutory deadlines, resulting in 14% increase in feature usage year-over-year
  • Led transition to AG Grid for a tax project management platform, reducing load times to ~2 seconds for datasets with 8,000+ deliverables and introducing column customization, grouping, filtering, and tagging
  • Improved task creation flows to support bulk processes, reducing engagement setup time by 10% for tax preparers and managers
  • Expanded platform support for excise tax, sales & use tax, and consulting tax deliverables, broadening Sightline's reach to a $100M book of business

Product Designer

Products & Technology
Aug 2020 – Mar 2023
  • Led research initiative for the Transfer Pricing product: conducted user interviews, synthesized findings, and delivered structured recommendations to inform go-to-market strategy
  • Worked across a partner tax compliance platform and an internal automation marketplace, auditing legacy interfaces and redesigning core workflows, filtering experiences, and high-fidelity prototypes

Product Designer

New Ventures
Jun 2018 – Aug 2020
  • Owned end-to-end UX for Workforce Orchestrator, PwC's HR SaaS platform: designing a mobile-first onboarding experience for seasonal and part-time workforces that improved 90-day retention by 27% and reduced first-day no-shows by 43%

UX/UI Designer

FiscalHive
Dec 2017 – Mar 2018
  • Redesigned the loan pool analyzer for credit unions, improving transaction review capabilities for accounts totaling over $11 million and enhancing risk assessment features

Independent Designer

Self-employed
Feb 2017 – Dec 2017
  • Worked with clients across industries to define concepts, design workflows, and create digital experiences — clients included Udacity, Sony Biotechnologies, Gaia Interactive, and Cellebrite

UX/UI Designer

Captora
Oct 2016 – Feb 2017
  • Optimized the customer-facing experience for a web-based marketing platform and unified interfaces with an internal design language

Design Intern

Uber
Jun 2015 – Aug 2015

Design Intern

ZURB
Jun 2014 – Aug 2014

Graphic Designer

Kalio Commerce
Mar 2014 – Jun 2014

Graphic Designer

Skeletal Kinetics
May 2013 – Aug 2013
BFA Graphic Design, Cum Laude San José State University
iOS Automation Shortcuts RoutineHub · 18 published · 8,800+ downloads
1:1 Mentor Develop for Good · Summer 2024
Intern Coach PricewaterhouseCoopers · 2022, 2023
Design craft
Figma Prototyping Interaction design Design systems Information architecture Visual design Illustrator / Photoshop
Research & strategy
User research Usability testing Heuristic evaluation Competitive analysis Affinity mapping Journey mapping Workshop facilitation Stakeholder alignment Accessibility (WCAG)
Technical
HTML CSS / Sass JSON Git AI-assisted workflows