Skills and Expertise

  • UX methods: Affinity diagramming, competitor analysis, contextual inquiry, heuristic evaluation, personas and scenarios, task analysis, usability testing.
  • Applications: Axure, Balsamiq, Google Analytics, InVision, Omnigraffle, Photoshop, Qualtrics, SiteCatalyst, UserTesting.


Perficient Digital, Irvine, CA

User Experience Lead / Strategist, October 2013 - Present

  • Define UX strategy and information architecture for web and mobile projects.
  • Manage information architect team and support career planning.
  • Conduct research: user interviews, surveys, card sorting, personas and journey maps.
  • Create design deliverables: site maps, wireframes, and Axure / InVision prototypes.
  • Conduct usability activities: heuristic evaluation, remote user testing, tree testing, first click testing.

Sony Online Entertainment, San Diego, CA

Sr. User Interface Designer, March 2012 - August 2013

  • Design UX for ecommerce websites, corporate apps and mobile apps.
  • Create Adobe SiteCatalyst reports for web analytics.
  • Prepare usability and A/B tests to improve registration and checkout flows.

Sony Electronics, San Diego, CA

Sr. Human Factors Engineer, January 2010 - March 2012

  • Design new interfaces for Sony BRAVIA TV and Google TV.
  • Conduct user research and usability testing for new CE devices and features.

Nokia Inc., San Diego, CA

User Experience Lead, January 2006 - December 2009

  • Manage mobile UI requirements with design agencies, marketing, engineering and sales teams.
  • Conduct requirements compliance with mobile carriers like Verizon and AT&T.
  • Review SOWs and RFPs, prepare design schedules, and propose UI project staffing.

Sagient Research, San Diego, CA

User Interface Developer, November 2002 - August 2003

  • Designed and programmed financial research software using ColdFusion and SQL.
  • Produced wireframes, mockups, and entity relationship diagrams.

Fair, Isaac and Company, San Diego, CA

User Interface Developer, December 1999 - November 2002

  • Designed and implemented the information architecture for Fortune 500 intranet.
  • Created intranet applications for Business Strategy, Legal, HR, and IT departments with ColdFusion and SQL.

OKbridge Inc., San Diego, CA

Web Designer, January 1997 - April 1999

  • Designed Web pages and graphics for online gaming software and Web site.


  • University of Michigan, School of Information
    • Master of Science in Information, Human-Computer Interaction
  • University of California, Santa Cruz
    • Bachelor of Arts, Studio Art
    • Bachelor of Arts, Art History


Websites, Intranets, Responsive Design

I've worked on many large websites and intranets involving responsive design, usability and A/B testing. Examples below....


HCI projects at the University of Michigan

Here are school projects that I worked on at Michigan. Although they are several years old, I can share these design artifacts in the public domain. They exemplify the kind of work that I do in a business setting.

Red Cross

Information Architecture

Red Cross Website

I was lucky to study under Peter Morville, one of the forefathers of information architecture. In a group of 5 students, I created a report (.pdf) of the Red Cross website that analyzes the information architecture for this enormous site (30,000+ pages). We looked at the following areas:

  • Organizational Structure
  • Navigation
  • Search
  • Labeling
  • Contextual Vocabulary

Michigan Business School


Touchscreen Kiosks

In a team of 5 students, I evaluated the usability of the Michigan Business School kiosks. The information kiosks are touch-screen devices that run Flash and HTML pages. We conducted a typical lifecycle of usability tasks:

CCH Wall Street

HCI Internship

CCH Wall Street

In 2004 I was an information architect at CCH Wall Street, a financial software company in New York. I was involved in the redesign of a financial software suite. Work included:


For work inquiries or opportunities.

Feel free to contact me with work opportunities for information architecture, UI design and general user experience. I check my email pretty frequently.

Contact Details

  • jefftang AT gmail dot com
  • I am currently in:
    Orange County, CA