• Gap Analyses. Discover the steps to advance your product development & verify your designs.
  • Integrated Software/Hardware Requirements. Align software & hardware sub-systems to optimize UX & product safety.
  • Comprehensive Behavioral & Cognitive Task Analyses. "Know Thy User" is just a slogan; user analyses tells you what that means.
  • Assurance Case Development and Validation. An FDA recommended process to integrate evidence and supporting rational for your technical, clinical and marketing claims.
  • Rapid Prototyping and Design Iteration. Usability testing should be the last step in evaluation! Save time, money and product failures with early phase testing and increase innovation as well.
  • Mobile Device Design and Integration. Design and test your products under real world scenarios.
  • Formative and Summative Usability Testing. Apply the latest FDA guidance to streamline product approvals.
  • Ethnographic Testing and Interactive Focus Groups. Select just the most useful methods to establish user needs and requirements for your specific product; we have expertise in all user-centered methodologies.
  • Training and Documentation. We can help you develop in-house expertise in human factors. We provide a wide range of workshops, seminars and coaching/mentoring services.
Breathe Technologies
California State University
Central Intelligence Agency
Color Systems Technology
DEKA Research and Development
Design Works USA
Electric Power Research Institute
Essex Corporation
eVent Medical
GE Healthcare
Harbor-UCLA Medical Center
Harman Kardon
IMT Medical
Integrated Sciences Corporation
Jet Propulsion Laboratory (JPL)

Kaiser Permanente
Lockheed Martin
Leo Pharma
Medtronic Diabetes
Medtronic Cardiac & Vascular
Novo Nordisk
Phillips Interactive Media
Phillips Medical Systems
Physical Optics Corporation
Siemens Ultrasound
Stuart Karten Design
Time Warner
USC School of Cinema-TV
Varian Medical
Walt Disney Co.
Wells Fargo
Zing Systems, LLP

HFCSI is a reliable and flexible partner because we...

  • ...welcome small projects as well as large ones.

  • ...help with all phases of the product development process, from early concept testing to product launch.

  • ...work in cross functional teams and can blend seamlessly with your organizational structure.

  • ...respond to tight deadlines and/or changing requirements.

  • ...will partner with our network of professionals in all areas of product development to provide you with complete solutions.

  • ...can train your staff to transfer our skill sets to your organization.

  • ...work in collaborative teams to ensure high productivity.

  • ...hold ourselves to high standards of quality and service.
  • Tyler Blake, Ph.D.
    Tyler Blake is Chief Scientist and Founding Principal at HFCSI. He has over 30 years of experience as a consultant to Fortune 500 companies, senior executive, innovative systems designer, University professor and entrepreneur. Tyler has helped pioneer the application of human factors to medical systems over the past 20 years, trained over 200 human factors specialists at the master's level and served as senior vice president of product design for Philips. He holds a Ph.D. in human factors from North Carolina State University.

  • Mike Kasamanian, M.A.
    Mike Kasamanian is President at HFCSI and provides expertise in the areas of Human Factors and Technology application. He holds a M.A. degree in Human Factors Applied Psychology and is a certified Quality Function Deployment (QFD) Green Belt. He is an active member of the Human Factors and Ergonomics Society (HFES) and the Association for the Advancement of Medical Instrumentation (AAMI). Mike's expertise includes the following domains: Voice-of-Customer research, User Requirements, Wireframing, Hardware User Interface Design, Rapid Prototyping of Electromechanical devices, FDA verification/validation testing, K-12 instruction, Field Robotics, Multimedia Systems, Acoustic Analysis, and project management.

  • Zachary Chesler, M.A.
    Zachary Chesler is Research Director at HFCSI and has over fifteen years experience as a user experience designer and usability researcher. As a specialist in this field, he has worked on projects across several industries includng medical/healthcare, training/education, automotive, entertainment, energy management, and digital publishing. Since 2010, Zachary's primary focus has been in the healthcare space, with a specialization in the design and evaluation of medical devices, software, and mobile apps. Zachary earned his Bachelor's degree from University of California, Santa Barbara and a Master's Degree in Human Factors Applied Psychology from California State University, Northridge.

  • Wei-Ting Xie Dong, M.A.
    Wei-Ting Xie Dong is a Principal Human Factors Specialist with experience in academic and applied research, user interface design, conducting seminars, and guest lecturing. Wei-Ting earned her Bachelor's degree from the University of California, Los Angeles in Psychology and Business Economics in 2005 and her Master's degree from the California State University, Northridge in Human Factors & Applied Psychology in 2008.

  • Barry Berson, M.A., BCPE
    Barry Berson is a senior consultant with HFCSI. He has over 35 years of experience in supporting the analysis, design and validation of complex commercial and military systems. One of Barry's strengths is in the development of System Engineering-Human Factors methodologies to provide data/answers to support the design of world class user interfaces. Barry is a Senior Fellow Emeritus from Lockheed Martin Skunk Works, and an Adjunct Professor at California State University, Northridge. He holds a M.A. in Human Factors, is a fellow of the Human Factors and Ergonomics Society, and is a Certified Human Factors Professional.

  • Ronald D. Kaye, Human Factors Focus, LLC
    Ron Kaye is a trusted advisor with expert knowledge of FDA Human Factors requirements. His core competencies include critical user task identification/prioritization, designing validation studies, advising on regulatory submissions, and responding to FDA inquiries. Ron's contributions during his tenure at the FDA led to the development of important guidance documents and demonstrated the importance of the Human Factors discipline for addressing UI design-based use errors. HFCSI is proud to include Ron as a regulatory consultant.

  • Leah Gudiel, M.A.
    Leah Gudiel is a Senior Human Factors Specialist with experience in software usability evaluations, concept sketches, flow charts, task analysis and usability testing. She holds a Bachelor's Degree in Graphic Design and a Master's Degree in Human Factors & Applied Psychology. Her background in design helps in optimizing prototypes in the creative process to receive the best feedback from potential customers.

  • Veronica Mendez, M.A.
    Veronica Mendez is a Senior Human Factors Specialist with a career that has progressed through knowledge gained via the application of Human Factors principles as a graduate student, as an intern in web-design, and now as a Human Factors Consultant specializing in medical devices. Veronica has a strong research and statistic gathering background that has prepared her for the analysis and discovery of vital data points that inform design. She has years of experience in needs analysis, task analysis, developing preliminary prototypes, recruitment, and interview facilitation/observation. Veronica graduated cum laude from California State University, Northridge with a Bachelor of Arts Degree in Psychology (minor in Ethnic Studies). Veronica went on to earn a Master of Arts Degree in Human Factors and Applied Psychology from California State University, Northridge.

  • Nicole Clifton, M.A.
    Nicole Clifton is a Human Factors Specialist with experience in validation and verification of medical devices in regard to FDA requirements for safety and usability. She specializes in usability testing project management, facilitation, data analysis, design recommendations, and test/report writing. Nicole earned a Bachelor's degree in Psychology and a Master's Degree in Human Factors and Applied Psychology, both from California State University, Northridge.

  • Damon Cook, M.S.
    Damon Cook has over 10 years of human factors experience, with a focus on medical devices and combination products. His background includes degrees in computer science and human-computer interaction (with a master's degree from the University of Illinois at Urbana-Champaign), corporate human factors jobs at Medtronic and Amgen, and several years of human factors consulting. His product experience ranges from highly technical surgical equipment to use-at-home injection devices. He has expertise in design, testing, regulatory submissions, and process development.

  • Jet Boden
    Jet has been a team member at HFCSI for over three years, offering research support and coordination on multiple medical device validation projects. Jet obtained her Bachelor's Degree in Psychology from California State University, Northridge and has accumulated over 10 years of usability and design experience within the medical, aeronautic, enterprise software, e-commerce and entertainment industries.

  • Aram Ayvazyan
    Aram Ayvazyan earned a B.A. in Psychology in 2014 and joined the HFCSI team in 2016. A former student and employee of California State University Northridge's psychology department, Aram is trained in research, and has a background in the application of cognitive psychology principles. Over the past year with the HFCSI team, Aram has helped and supported research endeavors involving a variety of projects. Aram is currently working towards his application for a graduate program with the goal of becoming a human factors specialist.

  • Edgar Frausto
    Edgar received his Bachelor's degree from California State University, Northridge, where he gained valuable knowledge regarding the design, execution, and analysis of experimental studies. His strong background in statistics, research, and presentations are beneficial in formative/summative usability testing. Edgar has been a research consultant for HFCSI since 2017.

  • Shabnam Ozlati, Ph.D.
    Shabnam Ozlati is a senior research scientist at HFSCI. As a Human Factors specialist in systems design, organizational behavior and knowledge management, Shabnam has managed projects in diverse industries including medical technology, healthcare systems, multimedia networks, and online learning and work team collaboration. She also has over fourteen years experience in various academic research institutes in the US, Europe and Asia. Shabnam holds a Ph.D. in Organizational Behavior from Claremont Graduate University, a master's degree in Human Factors and Applied Psychology from California State University, Northridge, and has studied Medicine at Tehran University. She holds a graduate certificate in Space Studies from International Space University in France, and has completed graduate studies applying Exponential Technologies to a variety of global systems problems at Singularity University (in association with NASA Ames Research Park).


Partial Client List

  • Acuson
  • Apple
  • AT&T
  • Boeing
  • CIA
  • Citibank
  • EPRI
  • GE
  • Harman Kardon
  • HP
  • Hughes
  • IBM
  • JPL
  • Kaiser Permanente
  • Lockheed Martin
  • Medtronic
  • NASA
  • NBC
  • Oracle
  • Pfizer
  • Philips
  • Roche
  • Siemens
  • Symantec
  • Time Warner
  • UCLA
  • USC
  • Varian Medical Systems
  • Verizon
  • Walt Disney
  • Wells Fargo