resume
Tamara Siem
260 Carina Circle, Unit 104 • Loveland, CO 80537
Professional Summary
Accomplished Senior UX/UI Designer and Product Design Leader with 20+ years of experience delivering human-centered digital solutions across government, corporate, and SaaS environments. Expert in design systems, usability testing, accessibility standards, and agile collaboration, with a proven ability to align user needs and business objectives. Recognized for driving measurable improvements in user satisfaction, stakeholder engagement, and cross-functional team performance. Adept at mentoring designers, influencing executive stakeholders, and creating scalable design strategies that support long-term product success.
Skills
Design & Research: UX/UI Design • Wireframing • Prototyping • Usability Testing • User Research • Personas • Journey Mapping • Behavior Mapping
Strategy & Leadership: Design Strategy • Cross-Functional Collaboration • Stakeholder Engagement • Team Leadership • Agile/Scrum • Human-Centered Design
Tools & Technology: - Figma • Adobe Creative Suite • Sketch • UXPin • Microsoft Office Suite • AI-Driven Design Tools
Analytics & QA: - Metrics/Analytics • A/B Testing • Quality Assurance • Accessibility Standards (WCAG)
Professional Experience
Senior Product Designer - AGILE Defense USDA 2024-2025
As lead UX/UI Designer on the USDA|NRCS contract, I drove the end-to-end product design lifecycle, ensuring solutions aligned with both user needs and government requirements. I partnered with stakeholders, facilitated workshops, and mentored team members to embed human-centered design practices across projects.
Led end-to-end product redesign, including user research, ideation workshops, wireframing, prototyping, and usability testing, improving stakeholder alignment and user satisfaction.
Facilitated cross-functional collaboration with government stakeholders to balance user needs with business objectives.
Mentored junior designers in human-centered design and stakeholder engagement best practices.
Senior Product Designer - ASRC Federal USDA 2019-2023 | DOI 2023 - 2024
Served as senior designer supporting USDA|NRCS and DOI projects, delivering scalable design systems, user-focused solutions, and cross-agency collaboration. Partnered with government stakeholders to establish a UX-first culture and ensure digital products met both technical and user requirements.
Developed and implemented a design system and CORE-UI component library, improving developer efficiency and design consistency across platforms.
Established UX processes and tools for an expanding design team, embedding a user-centered mindset with government partners.
Collaborated with stakeholders to ensure design solutions aligned with accessibility, usability, and business goals.
Senior Visual Designer - RICOH USA, Inc. 2016 - 2019
As Principal Visual Designer for the MyRicoh product line, I owned the overall visual direction and design strategy, ensuring consistency, usability, and brand alignment across multiple platforms. Partnering closely with developers, information architects, and cross-divisional teams, I delivered intuitive, visually cohesive interfaces that elevated the customer experience and supported Ricoh’s evolving digital ecosystem.
Directed the visual design strategy for the MyRicoh product line, aligning user experience with corporate brand standards.
Collaborated with Front-End Developers and Information Architects to deliver simple, intuitive, and visually appealing user interfaces.
Provided design support across multiple Ricoh divisions, ensuring scalability and consistency of the visual language.
Enhanced Ricoh’s design system and UI library, including module development and style guide updates.
UX/UI Product Designer - IHS Markit 2013 - 2016
Led UX strategy and design for Maritime & Trade PIERS products and e-commerce platforms, ensuring cohesive, intuitive, and engaging user experiences. Partnered with cross-functional teams to deliver feature enhancements, usability improvements, and customer-focused solutions.
Directed UI/UX design strategy across multiple product lines, ensuring consistency and usability.
Conducted usability testing and feature enhancements to improve customer engagement and retention.
Collaborated with product managers, developers, and sales teams to align design with business goals.
UX/UI & Web Designer - LearnNow, LLC (formerly appdev) 2009 - 2012
Designed and managed revenue-generating websites, overseeing content, usability testing, and functional improvements. Partnered with developers and leadership to ensure seamless operations and data-driven decision-making.
Designed and implemented websites and content systems, managing usability testing and functional enhancements.
Analyzed campaign performance data and created reporting dashboards for leadership.
Applied UI/UX best practices to web, mobile, and social media content.
Marketing/Graphic Design - AppDev Products, llc 1999 - 2008
Directed marketing design and strategy across digital and print channels, collaborating with leadership to create campaigns that drove revenue growth. Supported sales and product teams with creative assets, documentation, and promotional materials.
Designed and executed marketing campaigns across web, email, and print.
Partnered with leadership to develop strategic marketing plans and tactical solutions.
Managed social media programs (Facebook, Twitter, LinkedIn, blogs) to expand brand reach.
Education
Bachelor of Arts
Major: Mass Communications
Minor: Art
Mankato State University