"I will always be thankful for the work and thinking you did with us to introduce us to rapid prototyping. It really helped us create a good framework for feedback."

"Michael did an absolutely exceptional job on the QORA wholesale ordering web application. His human factors engineering proficiency and skills were invaluable and he created a great team spirit with his professionalism and leadership abilities. We would really have been lost without him!"

"The benefits of working with Michael are very clear in our results: Positive user experience and insights that help us prioritize future product features.  Delivering a great user experience is very important to us, but before working with Michael, we were unsure how best to get user feedback.  With Michael's expert guidance, we are now regularly experimenting, testing, measuring, and improving our product."

"I have contracted with Michael Siepmann on a number of engagements. In every case, I have been extremely impressed by his thoughtfulness, professionalism, and insight into complex business problems. Michael genuinely seeks to understand the customer's needs, and his recommendations are well thought out. In particular, his leadership and acumen are second to none, as he goes well beyond the answers I anticipate, providing solutions that sometimes surprise me but consistently deliver exceptional results. I look forward to opportunities to work with Michael again!"

"Michael has contributed unique value to Oracle and demonstrated tremendous leadership with cross-functional teams, exceeding the expectations of the Director of Modern Marketing Best Practices, for example with his innovative interactive user flows for email marketing. He presents his compelling interaction designs and insightful research findings with utter confidence, while demonstrating keen and attentive listening, and maintaining a consistently professional and serene manner. Michael is a pleasure to work with and I highly recommend him for any project requiring user experience expertise."

"You did a fantastic job with the project and the report. I really appreciate the way you dug into the tool to learn it, drove the definition of the test cases, managed all the demands and expectations, and applied best practices. (Jennifer Lee Carlson, March 2018)"

"As always you provide excellent design solutions which effectively address complex problems. The engineering web app designs are superb!"