Zac Diener | Resume

Summary

Strategic Product Leader with 10+ years of experience at the intersection of UX, development, and systems thinking. Proven ability to align teams around user needs, business goals, and technical feasibility. Expertise in leading cross-functional teams to launch impactful products across mobile, web, and embedded platforms. Passionate about user-centered design, data-informed decision making, and elegant product strategy. Outside of work, I'm a neural net nerd and seasoned acrobat — because balance matters in all things.

Skills

Product Management: Agile, Scrum, Roadmapping, Requirements Writing, Jira, GitHub, Monday.com, Asana

UX & Design: User Flows, Wireframes, User Testing, Surveys, Figma, Adobe XD, Illustrator, Photoshop

Data & Decision Making: Data Analytics, User Research, SQL/PostgreSQL, ANN & AI concepts, Dashboards, Product Metrics

Technical Fluency: JavaScript, Ruby, Rails, Angular, HTML/CSS, API Integration, Responsive Design, Prototyping

Experience

User Experience Manager – eLock Technologies

Aug 2017 – Present | Berkeley, CA

Defined product strategy and UX for a national smart bike locker system used by 50K+ users.
Led mobile app, embedded kiosk, and web platform development across domestic and international teams.
Launched features including Transit Card integration, mobile-first locker control, and automated ID verification.
Translated user research and business goals into specs and UI flows for hardware and software touchpoints.
Coordinated cross-functional work with engineering, design, QA, and support teams under Agile methodologies.

Web Developer – Diener Consulting

Nov 2014 – Aug 2017 | Oakland, CA

Designed and built modern websites for SMB clients with a focus on UX, SEO, and responsive design.
Applied human-centered design and usability best practices to increase user engagement and conversions.
Served as product owner, designer, and developer on each client engagement.

Product Manager / UX Lead – DeNA West

Oct 2012 – Oct 2014 | San Francisco, CA

Defined roadmap and led international Agile teams for internal tools supporting AAA mobile game titles.
Managed development of ngBuilder IDE, build-and-deploy tools, dashboards, and load testing infrastructure.
Spearheaded user research and UI/UX design of tools to optimize developer workflows and version control.
Integrated systems with Jenkins, AWS, GitHub, and Zabbix to streamline game operations and QA.

Web Consultant – Diener Consulting

Apr 2011 – Sep 2012 | Berkeley, CA

Delivered information architecture, UX design, and web content strategies for small businesses.
Increased client site traffic by up to 40% through SEO-driven content structure and usability improvements.
Helped clients clarify value propositions, resulting in higher conversion rates and positive online reviews.

UI Developer, Business Tools – EnerNOC

Jul 2010 – Mar 2011 | Boston, MA

Customized IBM Cognos dashboards and reporting tools for internal energy management platforms.
Developed UI prototypes using JavaScript, XML, and CSS to improve business tool workflows.
Conducted user research and stakeholder interviews to align interfaces with real user needs.

UX Design & Research Intern – EnerNOC

May 2010 – Jul 2010 | Boston, MA

Reduced support volume by improving login flows and visibility of critical system data.
Designed visual dashboards and response tools to enhance energy mitigation response times.
Conducted focus groups, interviews, and usability testing to drive design decisions.

Usability Consultant – Diener Consulting

Mar 2008 – May 2010 | Cambridge, MA

Delivered expert UX audits, user research, and wireframes for healthcare and web apps.
Created dashboards and interaction flows that improved engagement and reduced complexity.

Education

M.S., Human Factors in Information Design
Bentley University – Waltham, MA (2011)
Vice President, Testing & Assessment, Student Organization

B.S., Cognitive Science
University of California, San Diego – La Jolla, CA (2003)
Provost’s Honors