Interfacility is led by Marijke Rijsberman, who brings a smart brain, varied experience, high standards, and a spirit of exuberance to every project. Check out Marijke's Resume (PDF).

For more information about Interfacility's workstyle, see Philosophy.


Interfacility is a small consultancy that provides high-quality user experience research and design services for product and interface development. We stand out in a crowded field of experience designers by a sensitivity to user needs, a proven ability to deploy research in the product and service development cycle, a commitment to measuring outcomes, and a focus on incorporating change management into every step of the research and design process.

User Research Home Studies, Structured Interviewing, Contextual Inquiry, Participatory Design, Persona Development
Interface Design Requirements, Information Architecture, Prototyping, Tech-Ready Specifications
Usability Evaluations Design Troubleshooting and Prototype Validations
Benchmarking Adoption Studies, Metrics for usability, utility, and user satisfaction

Interfacility partners with a network of gifted independents to build flexible teams on fast-moving projects.
- Partner for strategy and quantitative analysis : Enosis Group
- Graphic design partner: Marianne Guillen/Array Design

Contact Information
PO Box 620283
Woodside, California

© Interfacility 2005-11. All Rights Reserved. +1-650-868-3432,