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Chris J. Karr

Chris J. Karr

Open source software developer working to build an ethical and humane future.

Founder at The Behavioral Research Innovation Center (BRIC)

Chicago, Illinois, United States🇺🇸
Open to:Board positionsContract rolesMentoring othersBeing mentoredCollaborationsCommissioned workPart-time roles
Preferred workplace:Remote (same country)Remote (worldwide)Remote (same region)
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Career: 7

Founder

The Behavioral Research Innovation Center (BRIC)

Full-time · On-site

Jan 2025 - Present

Founded BRIC to create and disseminate sustainable and reusable software technologies and practices for the scientific research community.

PythonTypeScriptLinuxDockerSwiftObjective-CJavaKotlin

Publisher

Weird Fiction Quarterly

Part-time

Jun 2023 - Present

Took over publishing duties from WFQ founder Russell Smeaton with partner Sarah Walker. Have continued to publish several volumes of flash fiction every year, in addition to other special projects such as chapbooks and charity anthologies with award winning authors.

PythonDjangoLaTeXDigital PublishingAdobe Photoshop

Founder and Chief Developer

Audacious Software

Full-time · On-site

Jan 2010 - Present

Started to provide bespoke software development services to research clients.

Android DevelopmentiOS DevelopmentSymbian DevelopmentWindows Phone DevelopmentDjangoJava ServletsWordPressLinuxAWSPythonJavaJavaScriptObjective-C

Chief Technology Officer

Power2Switch

Full-time · On-site

Jun 2010 - Jan 2011

Managed the technical transition and scaling while the company was transitioning from a seed-state start-up through its Series A funding and and participation in the Exclerate Labs incubator (now TechStars Chicago).

PythonDjangoJavaScriptLinux

Software Developer

Northwestern University

Full-time

Sep 2002 - Jun 2006

Worked as a software developer for the University's Academic Technologies unit (now Academic & Research Technology) supporting faculty and staff on grant-driven and internal projects.

PythonActionScriptECMAScriptZopePlone

Summer Intern

Los Alamos National Laboratory

Temporary · On-site

Jun 1998 - Aug 1999

Worked as a summer intern within the CIC-6 computing support assisting Lab users with developing software on the Blue Mountain supercomputer. Also created and taught basic software development skills to New Mexico high school teachers as part of the Lab's outreach through the annual New Mexico High School Supercomputing Challenge.

FORTRANC++MPILinuxIrixHTMLParallel Computing

Wellhand

Folsom Well Service

Part-time · On-site

Jan 1994 - May 1998

Served as a wellhand assisting with the installation and repair of windmills and other water infrastructure, supporting the ranching communities of Northeastern New Mexico, the Texas Panhandle, and Southeastern Colorado.

PlumbingElectrical

Education: 2

Northwestern University

M.A., Media, Technology, and Society

Aug 2006 - Dec 2009

Work focused on context-aware computing with an emphasis on personal sensor networks and automated predictors and agents.

Princeton University

A.B., Computer Science

Sep 1998 - Jun 2002

Pursued a general liberal arts education in addition to computer science coursework. Completed junior projects in wiki databases (w/ Andrea LaPaugh) and provably-secure peer-to-peer networks (w/ Ed Felten). Created the GeoServer platform for creating distributed open-source and open-data GIS applications (w/ Brian Kernighan). Was an active member of the Brown Cöop, and a work study student in the Office of Population Research and the Civil Engineering department.

Projects: 3

Scitopia Chicago

scitopiachicago.org/

Jun 2021 - Present

Supporting University of Chicago paleontologist Paul Sereno in his efforts to build a science education center for teens in Chicago's Washington Park neighborhood and the city at large.

Fresh Comics

freshcomics.us

Jan 2011 - Present

Created and continue maintain one of the Internet's older comic book weekly release calendar, available on the web, iOS, and Android devices.

The Oyez Project

oyez.org/

Jan 2003 - Jan 2010

Served as the technical lead on the Supreme Court oral arguments archive through several technology transitions, and leading to convert a limited streaming archive to a more open form, using formats such as MP3 files and permissive Creative Commons licensing.

Publications: 17

Apr 2026

Effectiveness of a Digital Health Intervention Leveraging Reinforcement Learning: Results From the Diabetes and Mental Health Adaptive Notification Tracking and Evaluation (DIAMANTE) Randomized Clinical Trial

Journal of Medical Internet Research

Journal Article
doi.org/10.2196/60834

Adrian Aguilera, Marvyn Arévalo Avalos, Jing Xu, Bibhas Chakraborty, Caroline Figueroa, Faviola Garcia, Karina Rosales, Rosa Hernandez-Ramos, Chris Karr, Joseph Williams, Lisa Ochoa-Frongia, Urmimala Sarkar, Elad Yom-Tov, Courtney Lyles

Oct 2024

Effectiveness of a Digital Health Intervention Leveraging Reinforcement Learning: Results From the Diabetes and Mental Health Adaptive Notification Tracking and Evaluation (DIAMANTE) Randomized Clinical Trial (Preprint)

Preprint
doi.org/10.2196/preprints.60834

Adrian Aguilera, Marvyn Arévalo Avalos, Jing Xu, Bibhas Chakraborty, Caroline Figueroa, Faviola Garcia, Karina Rosales, Rosa Hernandez-Ramos, Chris Karr, Joseph Williams, Lisa Ochoa-Frongia, Urmimala Sarkar, Elad Yom-Tov, Courtney Lyles

May 2024

A Smartphone-Based Self-management Intervention for Individuals With Bipolar Disorder (LiveWell): Protocol Development for an Expert System to Provide Adaptive User Feedback

JMIR Formative Research

Journal Article
doi.org/10.2196/32932

Evan H Goulding, Cynthia A Dopke, Tania Michaels, Clair R Martin, Monika A Khiani, Christopher Garborg, Chris Karr, Mark Begale

Dec 2021

Evaluation of Changes in Depression, Anxiety, and Social Anxiety Using Smartphone Sensor Features: Longitudinal Cohort Study

Journal of Medical Internet Research

Journal Article
doi.org/10.2196/22844

Jonah Meyerhoff, Tony Liu, Konrad P Kording, Lyle H Ungar, Susan M Kaiser, Chris J Karr, David C Mohr

Sep 2021

A Text Messaging Intervention (StayWell at Home) to Counteract Depression and Anxiety During COVID-19 Social Distancing: Pre-Post Study (Preprint)

Publication
doi.org/10.2196/preprints.25298

Adrian Aguilera, Rosa Hernandez-Ramos, Alein Y Haro-Ramos, Claire Elizabeth Boone, Tiffany Christina Luo, Jing Xu, Bibhas Chakraborty, Chris Karr, Sabrina Darrow, Caroline Astrid Figueroa

May 2021

A Playful City in the Cards

Extended Abstracts of the 2020 Annual Symposium on Computer-Human Interaction in Play

Conference Abstract
doi.org/10.1145/3383668.3419873
Nov 2020

Comparison of the Effects of Coaching and Receipt of App Recommendations on Depression, Anxiety, and Engagement in the IntelliCare Platform: Factorial Randomized Controlled Trial (Preprint)

Publication
doi.org/10.2196/preprints.13609

David C Mohr, Stephen M Schueller, Kathryn Noth Tomasino, Susan M Kaiser, Nameyeh Alam, Chris Karr, Jessica L Vergara, Elizabeth L Gray, Mary J Kwasny, Emily G Lattie

Feb 2019

Capturing Rest-Activity Profiles in Schizophrenia Using Wearable and Mobile Technologies: Development, Implementation, Feasibility, and Acceptability of a Remote Monitoring Platform

JMIR mHealth and uHealth

Journal Article
doi.org/10.2196/mhealth.8292

Nicholas Meyer, Maximilian Kerz, Amos Folarin, Dan W Joyce, Richard Jackson, Chris Karr, Richard Dobson, James MacCabe

Oct 2018

IntelliCare: An Eclectic, Skills-Based App Suite for the Treatment of Depression and Anxiety

Journal of Medical Internet Research

Journal Article
doi.org/10.2196/jmir.6645

David C Mohr, Kathryn Noth Tomasino, Emily G Lattie, Hannah L Palac, Mary J Kwasny, Kenneth Weingardt, Chris J Karr, Susan M Kaiser, Rebecca C Rossom, Leland R Bardsley, Lauren Caccamo, Colleen Stiles-Shields, Stephen M Schueller

Jan 2017

A single vs. multi-sensor approach to enhanced detection of smartphone placement

2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society

Conference Paper
doi.org/10.1109/embc.2014.6944424
Aug 2014

Volunteering: 4

Monitor

Greeley Elementary School Neighborhood Watch

Sep 2025 - Present

Serve as a community-based monitor watching local transportation routes for any dangerous or suspicious actors (criminals, ICE/CPB) who may threaten the members of the local Greeley Elementary School community.

President

Fremont Place Rowhouses Homeowners Association

Jun 2019 - Present

Served as the president of the local HOA for several years, implementing new infrastructure such as app-based access control, installing a Ubiquiti security system, and liaising with other HOAs and groups in the local area.

Election Judge

Chicago Board of Elections

Mar 2016 - Present

Regularly serve as an election judge / poll worker in Chicago's Lakeview neighborhood. Duties include everything necessary to run a local in-person polling place: preparation and training before the election, setting up the polling place, running the polling place, closing polls, and securely transporting physical election materials to the Board of Elections.

Volunteer

Five Blues Lake National Park

Jun 2001 - Aug 2001

Worked during the summer to improve the infrastructure of Five Blues Lake National Park, a collapsed cenote and lake in Central Belize. Worked to improve trails, add additional swimming docks, and other improvements in order to enhance the Park's appeal to ecotourists and serve as an economic engine for the St. Margaret village in the Cayo district.

Languages: 3

English(Native or bilingual)
Russian(Elementary)
Spanish(Elementary)

Skills: 32

Technical

ActionScriptAndroid DevelopmentAWSC++DjangoDockerECMAScriptHTML
iOS DevelopmentJavaJavaScriptKotlinLaTeXLinuxObjective-CPythonSwiftTypeScriptWordPress

Creative

Adobe PhotoshopDigital Publishing

Other

ElectricalFORTRANIrixJava ServletsMPIParallel ComputingPlonePlumbing
Symbian DevelopmentWindows Phone DevelopmentZope