Alexa Ball

(217) 953-1638

Email me







4200 North Lamar Blvd

Suite 225

Austin, Texas, 78756

United States


Litmus is a clinical data science platform focused on health-related quality of life.

We use data collected at the point of experience from wearables, smart devices, and home sensors to guide management and to inform trial endpoints. Continuously measuring outcomes in multiple dimensions leads to faster, more efficient pipelines.

The answers we need are all around us. Learn more at


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Harvard Biz Review

How Health Care Changes When Algorithms Start Making Diagnoses

Andrew Burt & Samuel Volchenboum – May 9th, 2018

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Data trends: A year in review and what will happen next

David R. Bobbitt – December 19th, 2017

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Five Best Ideas

Katrina Schwartz – November 27th, 2017

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Sam Volchenboum – June 26th, 2017

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What the Fitbit lawsuit means for clinical researchers

Daphne Kis and Dr Sam Volchenboum – August 16th, 2016

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Quality of Life is the Ultimate Endpoint

Daphne Kis and Dr Sam Volchenboum – May 23rd, 2016

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Litmus Health launches to bring wearable data to drug development trial

Jonah Comstock – October 27th, 2016

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Pharma Times Magazine

Track record

Hugh Gosling – September 1st, 2016


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Daphne Kis


The team is led by CEO Daphne Kis, a longtime technology entrepreneur and CEO.

She spent nearly twenty years as co-founder and CEO of EDventure Holdings where she published Release 1.0, the premiere report on emerging trends in technology, which helped catalyze many of the breakthroughs that modern technology users take for granted today.

EDventure also produced the canonical conference of the web.0 era, The PC Forum, and invested in emerging markets through their early stage fund, including healthcare IT and life sciences.

Daphne leads the Litmus team with a strong early stage venture strategy and vision.

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Dr. Sam Volchenboum


Sam Volchenboum, MD, PhD, is co-founder and Chief Science Officer of Litmus Health. He directs the Center for Research Informatics at the University of Chicago. Litmus is his brainchild, combining his expertise in both clinical settings and medical informatics.

Sam has a masters in informatics from MIT and has spent almost 20 years as a practicing pediatric oncologist. 

Frustrated with the inefficiencies he observed in clinical care and medical research, Sam began developing new tools for collecting, processing, and managing medical data. His entire career has been dedicated to making medicine more data-driven with computer science and informatics.


Dr. James Crooks


James Crooks is our VP of Engineering. He earned his PhD in Biophysics at the University of Chicago before turning his talents to Litmus Health. James was the founding CTO of Artifice, a Chicago-based hackerspace and incubator focused on empowering youth.

During his time at Nokia, James also helped apply machine learning techniques to identify key patterns in traffic patterns and speed limits specifically, an application still used today.

His deep expertise in machine learning as it applies to healthcare has been recognized by the National Science Foundation, National Institutes for Health and University of Chicago, and the Howard Huges Medical Institute.

As an interdisciplinary researcher, data scientist, and software engineer, James drives Litmus’ product, infrastructure, and R&D. 

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Josh Jones-Dilworth

Sales & Marketing

As a co-founder of Litmus Health, Josh Jones-Dilworth brings 15 years of sales and marketing experience, having started his pharma career with Merck and Pfizer.

Josh founded JDI, a boutique consultancy that brings emerging technologies to market, including Siri, Viv, Wolfram Alpha, and Zocdoc. In healthcare and bioinformatics specifically, Josh has launched major companies such as Bina, Clear Labs, Kernel, and MyAsics.

At Litmus Health, Josh drives strategic partnerships in sales and marketing.