Photo of Stephen Voida Stephen Voida ( is an assistant professor and founding faculty of the Department of Information Science at CU Boulder. He directs the Too Much Information (TMI) research group, where he and his students study personal information management, personal and group informatics systems, health informatics technologies, and ubiquitous computing. His work was nominated for best paper awards at CHI 2013 (winner), CHI 2012 (nominee), and CSCW 2008 (nominee) and has been supported by Google Research, the National Science Foundation, and a CCC/CRA Computing Innovation postdoctoral fellowship. He earned his doctorate and master’s degrees in computer science and human–computer interaction, respectively, from the Georgia Institute of Technology and his bachelor’s degree in computer science from Arizona State University. For more information, visit his website.

PhD Students


Janghee Cho ( is a fourth-year PhD student in Information Science. His primary research falls in the field of human-computer interaction (HCI), with a focus on personal wellness and sustainability concerns. He is interested in understanding how people make sense of data and AI-driven technologies and designing technologies to support critical reflection. He holds a Masters degree in Media and Design from Michigan State University and a BS in Digital Communication and Media/Multimedia from Yonsei University in Seoul, Korea. He has also worked at the Hoffman Agency, LG Electronics, and was a Google News Lab Research & Development Fellow.
Photo of Michael Hoefer Michael Hoefer ( is a third-year PhD student studying computer and cognitive science. He’s drawn to the transdisciplinary field of personal and interpersonal informatics as it holds the promise of developing tools and processes for widespread quality of life improvements, and promoting self-actualization across communities. Michael holds a B.S. and M.S. in Industrial and Systems Engineering from Iowa State University, and is a graduate of Boeing’s Engineering Leadership Rotation Program.
Photo of Fuji Robledo Fuji Robledo, LCSW ( is a fourth-year PhD student in Information Science, co-advised by Dr. Amy Voida. Fuji is interested in how data impacts nonprofit organizations that provide direct services to the community (such as a mental health clinic). Prior to CU, she graduated from the University of Texas at Austin with a Bachelor of Science in psychology and a Master of Science in clinical social work. She has extensive experience working as a licensed clinical therapist in non-profit settings providing trauma-based therapy to children and families who have experienced abuse.

Photo of Tian Xu

Tian Xu ( is a first-year PhD student in Information Science. Her research interests primarily lie in health informatics and, more broadly, in HCI and ubiquitous computing. She is interested in how to leverage data and technology applications to help people with mental health disorders. Tian holds an M.S. in Information Management from Syracuse University.

Masters Students

Photo of Namratha Mysore Keshavaprakash
Namratha Mysore Keshavaprakash ( is a first year masters student in the Department of Computer Science. Previously, she worked in the software Industry for 4 years. She has experience in full-stack development, Java, and Python. She is interested in building applications that have a deep impact in users’ daily lives. Her hobbies include painting,  reading and cooking.
Photo of Tiffany Phan
Tiffany Phan ( is a Master’s student in the Bachelor’s–Accelerated Master’s Program studying Computer Science and holds a B.S. in Computer Science at CU. Her research interests include human–computer interaction (HCI), user-centered design, and computational biology. She is interested in full-stack web development and design. In her free time, she loves to cook, bake, hike, and travel.
Photo of Shreyas Savanoor Ravindra
Shreyas Savanoor Ravindra ( is a first-year traditional computer science master’s student. He is from Bangalore, India. He likes to build software solutions that will have an impact on user’s day-to-day lives. He has four years of industry experience working as a front-end engineer. 

Undergraduate Students

Photo of Sam Beck Sam Beck ( is a sophomore studying Political Science with minors in Data Science and Philosophy. His research interests range from global development and international affairs to social psychology and human–computer interaction (HCI). Currently, he is working with Janghee Cho on studying well being and productivity during the COVID-19 working-from-home era, as well as on the development of a mental health informatics application. Outside of school and work, you can find him jamming to Led Zeppelin, watching The Big Lebowski on repeat, and wandering aimlessly around Europe.
Photo of Bryce Schumacher
Bryce Schumacher ( is a freshman studying computer science, interested primarily in web development and machine learning. He is contributing to software development and user research for the Bipolar Tech project. In his free time, Bryce enjoys fishing, reading, and learning new things.

TMI Research Affiliates

Photo of Wendy Norris Dr. Wendy Norris ( is an Assistant Professor of Social Computing at Nazareth College. She is also founding faculty/program co-director of the Institute for Technology, AI and Society and founding faculty/undergraduate advisor of the Ethical Data Science program. A TMI alumna and advisee of Dr. Voida, her research explores how time and temporality are represented in humanitarian socio-technical systems.
Picture of Lucy Van Kleunen, with a city skyline in the background. Lucy Van Kleunen ( is a third-year PhD student in Computer Science at CU Boulder with research interests in computational biology, participatory sensing, and the intersection of tech and policy embodied in the “smart city” movement. She joins CU following time at Microsoft serving as a Program Manager on the Office 365 web team. She holds AB degrees in Computer Science and Public Policy from Brown University.
Photo of Tara Walker Dr. Tara Walker is an Assistant Professor in Journalism, Strategic Communication, and Media Studies at St. Bonaventure University. Her research focuses on the role of mass communication messages in shaping and reinforcing dominant paradigms regarding mental health and the ethical implications of smartphone technology for tracking mental health, and gender/race/class representations in advertising and entertainment media.
Photo of Jason Zietz Dr. Jason Zietz ( is an instructor in Information Science; a graduate of CU’s “Triple” PhD program in computer science, cognitive science, and neuroscience; and a TMI alum and advisee of Dr. Voida. Jason’s research explores the intersection of interaction design, mindfulness, and executive cognitive function (decision making) in the context of sustainability.

TMI Alumni

Photo of Venkat Arigela Venkat Arigela (MS student, Computer Science) enhanced the back-end architecture of the Bipolar Tech data collection platform for his MS degree independent project. [Spring 2020–Fall 2020]
Photo of Lizzie Bartholomew Lizzie Bartholomew (BS student, Creative Technology and Design) joined the TMI Lab in Fall 2020 as a Discovery Learning Apprenticeship (DLA) research assistant on the Bipolar Tech project [Fall 2020–Spring 2021]
Photo of Stephen Barton Stephen Barton (BS graduate, Strategic Communication • Media Design • Technology, Arts and Media) participated in graduate student Wendy Norris’ study of crisis informatics, human-computer interaction, social computing, and digital humanitarian networks. [Fall 2017–Spring 2018]
Photo of Jackson Billelo
Jackson Bilello (BS student, Mechanical Engineering with a minor in Computer Science) collaborated with Michael Hoefer to launch the Dream Informatics project [Spring 2021]
Photo of Lanea Blackburn
Lanea Blackburn (BS graduate, Information Science) completed a senior-level independent study conducting UX research in collaboration with several ongoing lab projects, including Wendy Norris’ study of crisis informatics and a clinical validation study of Bipolar Tech interface designs. [Spring 2020]
Photo of Cassandra Goodby
Cassandra Goodby (MS graduate, Creative Technology and Design (ATLAS Institute); conducted research in technology solutions for mental health and self-care as part of her MS thesis project, MoodIQ. [Spring 2020]
Photo of Marissa Kelley
Marissa Kelley (BS graduate, Information Science) worked with graduate student Wendy Norris in her study of crisis informatics, human–computer interaction, social computing, and digital humanitarian networks. [Spring 2018–Fall 2018]
Photo of Haley Kwiat Helena (Haley) Kwiat (BS student, Computer Science) worked with the lab on interactive time management prototypes. [Summer 2016]
Photo of Teresa Lim Teresa Lim (BS student, Technology, Arts & Media) worked with Lucy Van Kleunen and the bipolar technology research group to imagine novel interfaces for collecting self-reported self-tracking data for the management of serious mental illnesses. With a love for designing, especially in graphics and UX/UI designing, she experiments with cultural and societal ideas on the relationship between different topics ranging from mental health and games to popular culture and digital media. [Summer 2019]
Photo of Zach Lyons Zachary Lyons (BS graduate, Information Science) worked with Wendy Norris to develop a social media bot detector and perform large-scale data standardization in support of automated data analysis for Wendy’s crisis informatics research. After graduation, he hopes to pursue a career in the field of sports or healthcare analytics. [Spring 2019]
Photo of Priya Panati Priya Panati (BS graduate, Information Science) completed a senior-level independent study conducting UX research in collaboration with several ongoing lab projects, including Wendy Norris’ study of crisis informatics and a clinical validation study of Bipolar Tech interface designs. She started a full-time software engineering job at Visa in the summer of 2020. [Spring 2020]
Alex Ray Alex Ray (BS+MS student, Computer Science) participated in distributed systems design and implementation projects for the lab from the summer of 2016 through the spring of 2017. For more information, check out his GitHub profile. [Summer 2016–Spring 2017]
Ha Tran Ha Tran (BASc graduate, Electrical and Computer Engineering) led the physical prototyping efforts in the TMI Lab as a Discovery Learning Apprenticeship (DLA) research assistant and as a part-time post-baccalaureate research associate. [Summer 2016–Spring 2018]
Photo of Kexin Zhai Kexin Zhai (BS graduate cum laude, Information Science) conducted an evaluation study of various tangible interfaces for helping information workers to manage their time for her Honors Thesis in Information Science. [Fall 2019–Spring 2020]