Our Company

Our mission: Revolutionize experience capture to enhance research and promote good for the world



Surveys Created


Total Responses

1.3 Million+

As scientific leaders in the field of Ecological Momentary Assessment (EMA) and Experience Sampling Methodology (ESM) (the process of studying what people do, feel, and think in their everyday life), we strive to provide cutting-edge tools to make experience-centered insights widely accessible. Our EMA and ESM platform enables experience-centered data collection, real-time communication, and community building.

We built our technology at the intersection of design and scientific expertise to ensure the best user experience for both researchers and participants. As a team, our goal is to introduce researchers, educators, and innovators to the new era of understanding and improving human experiences.

Why We’re here

As a brand new faculty member in Industrial-Organizational Psychology at Purdue University in 2013, Dr. Louis Tay was interested in using the most rigorous methods for taking a pulse of workers’ experiences over time to improve their well-being and productivity. However, Dr. Tay found a dearth of technological solutions that catered to social scientists.

Dr. Tay worked with Purdue engineers and computer scientists to design a solution to this problem. The initial solution drew interest from many researchers. To ensure that this experience sampling app and data platform could help researchers everywhere, we created ExpiWell. Today, we have thousands of researchers across the globe using the platform to conduct research.

Purdue university
Louis Tay, Founder

Louis Tay, Ph.D.


Louis Tay is William C. Byham Chair Professor of Industrial-Organizational Psychology at Purdue University and the director of WAM-Lab. His substantive research interests include well-being, character strengths, and vocational interests. His methodological research interests include measurement and data science. He is a co-editor of the books “Handbook of Well-Being”, “Big Data in Psychological Research”, and "Technology and Measurement around the Globe". His research has also appeared in various media outlets such as Wall Street Journal, Washington Post, Time, Newsweek, Scientific American, and MSNBC. He has served in consulting roles to Fortune 500 organizations on topics such as customer and employee well-being, improving recruitment and selection processes, and understanding biases in measurement, machine learning, and artificial intelligence.
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Ji Chung

Marketing & Development Manager

Ji oversees Expiwell’s marketing strategy and product development. She received her B.A. in Chemistry and English at Amherst College, in addition to a Five College Certificate in Culture, Health and Science.

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John Bantad

Expiwell Representative

John is an enthusiastic ExpiWell specialist and product developer who seeks to listen to customers, analyze their concerns, and provide them with the best solution for experience sampling and ecological momentary assessment research

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Angelo Yanga

Expiwell Content Writer

Angelo Yanga is the content writer and social media manager (LinkedIn and Twitter) who handles ExpiWell's digital marketing performance. He ensures it has relevant content so ExpiWell clients can have daily updates about ExpiWell's latest features and company milestones.

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David Torres, Ph.D.


David Torres serves as an advisor to the ExpiWell Team. He has more than 15 years of business development and study design experience, delivering and executing innovative growth initiatives. David started his career as a sales leader within the recruiting industry at one of the largest recruiting firms in the country. Searching for a scientific understanding of how organizations flourished, he pursued his academic career and received his PhD in Organizational Communication from Purdue University. He also received his MA from Marquette University and BS in Selling and Sales Management from Purdue University.

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Margaret Becker


Margaret Becker serves as an advisor to ExpiWell. Her former role included overseeing sales and customer success while supporting researchers throughout their ExpiWell experience. She received her B.S. in Psychological Sciences and B.A. in Professional Writing from Purdue University. During her time as an undergraduate at Purdue, she completed two honors research theses and presented her work at both local and international research conferences.

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Omar Pineda


Omar is one of the company’s founding developers. He is responsible for providing tech leadership and ensuring the technology helps and is consist with the overall business strategy. Omar’s expertise consists architectural design, mobile development, and web development. He received his B.S. in Computer Engineering from Purdue University and received distinguished awards for his programming capabilities from HackIllinois2015 and Purdue’s 2014 SparkChallenge. In his spare time, he continues to sharpen his skills by experimenting with the latest technological tools

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Scientific Advisory Board


Allison S. Gabriel, Ph.D.


Daniel J. Beal, Ph.D.


Edward F. Diener, Ph.D.


Catherine Fairbairn, Ph.D.


Marilyn Uy, Ph.D.


Ellen Winner, Ph.D.


Kostadin Kushlev, Ph.D.

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