I am a Professor of
human-computer interaction (HCI)
The Information School
by courtesy, in the
Paul G. Allen School of Computer Science & Engineering
University of Washington,
where I direct the
and co-direct the
I am also a founding member of the
DUB Group and the
My Ph.D. students
information science and
My research seeks to scientifically understand people's experiences of computers and information,
and to improve those experiences by inventing and evaluating new interactive technologies,
especially for people with disabilities. My specific research topics include input and interaction
techniques, human performance measurement and modeling, HCI research and design methods,
mobile computing, and accessible computing.
For my contributions to accessible computing, I received the
2017 SIGCHI Social Impact Award
2019 SIGACCESS ASSETS Paper Impact Award.
In 2019, I was inducted into the prestigious
Some of my notable projects are
the $-family gesture recognizers,
the end-user elicitation design method,
the Slide Rule design for accessible touchscreen gestures,
ARTool for nonparametric factorial statistical analyses,
the Pointing Magnifier 2 assistive pointing and visual aid,
and the versatile EdgeWrite text entry system.
I have also been an entrepreneur. In 2012, I co-founded
where I was a venture-backed C.E.O. for about three years.
In 2020, AnswerDash was acquired by
My conversations with
The New York Times
The Huffington Post
capture some of my experiences as a startup founder.
ACM author page,
ResearchGate page, or