Lyman Casey, Ph.D

Partner and Co-Founder

With an extensive background in cognitive psychology, interface design and business strategy, Lyman Casey brings a broad and pragmatic perspective to our work at Centralis.

Prior to co-founding Centralis, Lyman served as Director of User Experience at the leading Chicago e-commerce integrator Giant Step, now part of Publicis Groupe.  In that role, he established the company's User Experience practice and built a team recognized as a leader by industry analysts such as Forrester Research. His prior technology experience includes the design and development of custom expert systems software for Fortune 500 clients.

Lyman holds a doctorate in Cognitive Psychology from Northwestern University and a bachelor’s degree from Williams College. In his free time, Lyman is a gadget hound, a runner, and most of all a doting dad.


Kathi Kaiser

Partner and Co-Founder

As co-founder of Centralis, Kathi leads our team in creating great user experiences. As a researcher, Kathi’s expertise lies in crafting research protocols that provide rich, relevant insight into user behavior. As a designer, she applies that insight to creating products that help users accomplish their goals while helping clients accomplish their business objectives.  

Kathi’s experience in human-computer interaction spans fourteen years and includes engagements at notable user experience firms HannaHodge and Doblin Group. She is an authority on user-centered design who serves as an adjunct faculty member at the Institute of Design at the Illinois Institute of Technology. Kathi holds a Master's degree in Social Science from the University of Chicago and a BA in Psychology from Georgetown University.

When out of the office, Kathi can often be found with her family and friends, listening to ‘80s music or cheering on the Cubs at Wrigley Field.

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Matthew Scholl

Vice President, Director of User Experience

Matthew Scholl has extensive experience partnering with clients to create solutions that balance user needs with client business objectives. Whether facilitating usability tests, conducting contextual user research or designing wireframes, he is a patient, careful observer and is persistent in his pursuit of detailed, actionable findings and recommendations.

Prior to joining Centralis, Matt spent 10 years at Accenture in roles including product manager and user experience consultant. He has worked on both consumer-facing websites and business-to-business web applications and his past clients include software manufacturers, insurance companies, and electronics manufacturers. He holds a Masters degree in Human Computer Interaction from the University of Michigan and a BS in Education from the University of Wisconsin-Milwaukee.


Carol Youngquist

Principal User Experience Specialist

Drawing on her background in industrial engineering, Carol Youngquist is dedicated to improving the usability of interfaces, products, and services. Carol's work in user research and design is further informed by her experience with human factors and statistics. She helps communicate ideas between diverse audiences through clear, direct communication. And in her spare time, Carol is known to take online courses in behavioral economics and social psychology.

Prior to her time at Centralis, Carol designed, conducted, and led user research efforts for critical parts of Northwestern University's website, including the homepage. With Accenture, Carol led usability studies, project management, and design for mobile versions of internal applications. Carol holds a BS from the University of Illinois at Urbana Champaign in Industrial Engineering.

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Claire Mallory


Claire Mallory’s endless curiosity, critical thinking and deep listening skills make her a valuable asset on research and design teams. She is comfortable in highly iterative environments and recognizes the power of teamwork in solving complex problems.

Since joining Centralis, Claire has helped our clients optimize the user experience of shopping for health plans, planning home improvement projects, and shopping for wine.  Prior to joining Centralis, Claire was a Designer-in-Residence at DESIGNATION, a leading UX/UI bootcamp. 

Claire received her bachelor’s degrees in Piano Performance and Art History from Lawrence University and a master’s degree in Collaborative Piano from the University of Colorado at Boulder.

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Andrea Henry, Ph.D.

Senior User Experience specialist

Andrea’s career in academic research informs her careful questioning and rigorous testing of interfaces and products. She is trained not only in facilitating participant sessions in a laboratory setting, but also in analyzing and presenting research results to broad audiences. She has always been dedicated to making a positive impact with her research, whether that be helping individuals to perform better under pressure or helping to develop drugs that treat addiction. As a Senior UX Specialist, she is committed to a thoughtful and empathic approach to user research and design.  

Prior to joining Centralis, Andrea conducted nearly 10 years of academic research in the fields of cognitive psychology, social psychology, and biological psychology.  She holds both a doctorate and a master’s degree in Integrative Neuroscience from the University of Chicago and a bachelor’s degree in Psychology from Tufts University.  In her spare time she enjoys running along the Chicago    lakefront, visiting the national parks, and playing board games.


Jessica May

User experience specialist

Jessica uses her background in the arts and subsequent training in user experience research and design to think creatively while uncovering user needs and designing solutions. She enjoys the collaborative and iterative nature of this work and appreciates working with clients from diverse industries. In previous roles, she served as a researcher, writer, and appraiser to assist a range of clients from auction houses, galleries, museums, private collections, and insurance companies.

Prior to joining Centralis, Jessica was a Designer-in-Residence at Designation. She received her bachelor’s degree in Art History from the University of Illinois at Urbana-Champaign and a master’s degree in history of art from the University of Edinburgh in Scotland.


Mauricio Ubach

User experience specialist

Drawing from his museum and non-profit background, Mauricio brings passion to making tangible improvements to people’s lives through the intersection of research and design. He does this by approaching problems thoughtfully, listening inquisitively, and working collaboratively. At Centralis, he enjoys the varied nature of consulting, working with a wide range of clients in different industries, providing them with actionable usability or research insights.

Prior to joining Centralis, Mauricio attended Designation, a leading UX/UI bootcamp. There he provided user experience consultation to medical and financial startups. He holds a bachelor’s degree in Art History from the University of California, Los Angeles. He can be found cooking new recipes and exploring Chicago’s boundless coffee scene in his spare time.

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Tricia Luko

Marketing and Business Development associate

Drawing on her background in economics and sociology, Tricia Luko brings a unique blend of creativity and strategy to the business development team. Patricia is dedicated to improving existing processes and implementing strategic marketing initiatives to help build brand awareness.

Prior to her time at Centralis, Tricia supported Northwestern University’s Engagement and Career Advancement team leading digital marketing projects and managing data from multiple platforms using CRM software. Tricia holds a BA in Economics with a minor in Sociology from Northwestern University. In her spare time, she enjoys running and baking…but not at the same time.


Ket Yosef

Office Manager

Ket is the first point of contact for those new to Centralis. Her work includes facilitating behind-the-scenes initiatives, accounting, and generally making things run smoothly for clients and staff in the office.

Out of the office she spends time trying to rope her friends and family into D&D campaigns and picnicking whenever possible. She is a published illustrator and received her BS in Animation and Game Art from DePaul University.