About Us

What is Propeller Health?

Propeller Health TeamPropeller is the leading mobile platform for respiratory health management. Through sensors, mobile apps and services, Propeller helps reduce the cost of care while delivering better quality of life for individuals with chronic respiratory disease. Backed by Safeguard ScientificsThe Social+Capital Partnership, California HealthCare Foundation and other investors, Propeller Health is now working with organizations like Dignity Health, Wyckoff Heights Medical Center, Amerigroup Florida and the City of Louisville. Company recognition includes TEDMED Innovation Showcase, White House Champion of Change and Bluetooth Breakthrough Product awards. The system has been featured in The Economist, Washington Post, Fast Company, Wired and Scientific American.


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Scott Barclay
Strategic advisor across digital health. Former Chief Strategy Officer of SureScripts and GM of iScribe (CVS Caremark’s ePrescribing company).

Jim Golden, PhD
Senior Managing Director at PwC. Former Chief Management Scientist and Partner at Accenture’s Pharmaceutical Data Analytics Practice.

David Mannino, MD, FCCP
Board Member of COPD Foundation. Professor and Chair at the Department of Preventive Medicine and Environmental Health, University of Kentucky College of Public Health.

Michelle Snyder
Chief Marketing Officer, Welltok

Lon Sprecher
Former Dean Health Plan President & CEO

Propeller crew

Our business is growing quickly and we’re expanding our team. We’d love to have you join us. Please check out our list of current openings.


David Van Sickle, CEO and Co-Founder

David was formerly an Epidemic Intelligence Service Officer with the Centers for Disease Control and Prevention, and a Robert Wood Johnson Foundation Health and Society Scholar at the University of Wisconsin School of Medicine and Public Health. He writes about asthma epidemiology, medical anthropology, and global chronic respiratory disease at davidvansickle.com.


Greg Tracy, CTO and Co-Founder

Greg is a technology enthusiast who excels at applying technology in new domains with the potential for large scale. He balances the big vision of how software technology can improve our lives with being an advocate for customers still living in the present. He has a Masters in Computer Science from the University of Wisconsin – Madison. He previously ran the engineering team at Emageon, a medical imaging company. You can also follow him on Twitter at @gregtracy.


Chris Hogg, Chief Operating Officer

Chris is a digital health advocate interested in how new forms of health data are changing the relationship between physician and patient. As COO, he leads the company’s San Francisco office with an emphasis on product, data and implementation. Prior to Propeller Health he co-founded 100Plus, a mobile health company using personalized analytics to promote healthy behaviors, which was acquired by Practice Fusion in 2013. At Practice Fusion he built a data science group that created data products leveraging the company’s 80+ million patient clinical database. Prior to 100Plus Chris led the Cardiovascular Commercial Strategy group at Gilead Sciences. Chris holds a Degree in Molecular and Cell Biology from Brown University and an MBA from The University of Chicago.


Vince Balsamo, Senior Vice President of Sales

Vince Balsamo has over 20 years of experience in the healthcare and IT industries. Most recently, Vince was the Vice President of Business Development at Avizia, a tele-health company.  He is passionate about enabling clients’ success and believes deeply in Propeller Health’s mission, as his son, daughter, and brother are all asthmatics.  He lives in San Diego with his two children and is an avid runner, wine and cooking enthusiast.


David Hubanks, Vice President of Operations

David’s passion is in building products. He built integrated circuits for 17 years at IBM and ZMDI working as designer, design center manager and product manager. He has EMBA, Electrical Engineering and Computer Science degrees from the University of Wisconsin – Madison.  Beyond work, he enjoys 5am bike rides (when he’s not attacked by birds), cross-country skiing and making Sunday morning pancakes for the next generation of engineers (he hopes).


Jay Hughes, Regional Vice President Client Development

Jay has a career that has spanned over 25 years in healthcare.  He is  passionate about offering solutions that solve a challenge/problem, and that also rewards his clients an even greater return.  Outside of work Jay enjoys being outdoors doing physical activities, has a culinary passion, and spending time with family.


Meredith Barrett, Vice President of Science and Research

Meredith is passionate about using technology to better understand the intersection of health and the environment. She was a Robert Wood Johnson Foundation Health & Society Scholar at the University of California Berkeley School of Public Health and UC San Francisco Center for Health and Community, where she first began collaborating with Propeller Health. She completed her PhD in Ecology at Duke University, where she was a National Science Foundation Graduate Research Fellow and chased lemurs for a living. Beyond work, she loves traveling, running and spending as much time outside as possible.


Melissa Kim, Senior Director of Marketing & Market Development

Melissa is convinced that Propeller Health can make a difference and is pleased as punch to be helping make it happen here and now, in partnership with an incredible team at Propeller. She brings over 15 years of experience in the healthcare industry from a couple of different viewpoints:  slogging away in the lab (PhD Biology Columbia University), leading commercial strategy and operations at top BioPharma companies (Gilead Sciences, Roche/Genentech), and covering sell side equity research in US small & mid cap healthcare technology at UBS and JP Morgan.


Antara Aiama, Director of Client Services

All things related to healthcare absolutely intrigue Antara. Most recently, she ran the pay-for-performance and HEDIS programs for one of California’s largest Medicaid managed care health plans. Her experiences also include implementing inpatient EMRs across the country and developing a preventive care program in India. Antara received her Undergraduate from UC Berkeley and a MPH from the University of Michigan. When her mind isn’t preoccupied in healthcare thoughts, she enjoys yoga, exploring new trails and attempting to surf.


Ki Han, Senior Designer

Ki is a creative director with over 20 years of combined experience in visual/UI/UX design and illustration. He loves solving problems and creating simple effective solution that works. Beyond work, Ki enjoys entrepreneurship, playing sports, traveling, old school hip hop, watching cartoons, and hanging out anywhere where there’s good music, food and people.


Mike Lohmeier, Technical Lead Platform Engineer

Mike is an internet of things software veteran after working in the RFID field for over 5 years. He helped build products that tracked high-value items and processed millions of sensors events. He also was part of a movement to make RFID more accessible to non-electrical or RF engineers by bringing RFID to the cloud. Mike has also worked with some of the biggest names in travel and social networking software. When not learning every byte of the latest software platform, Mike is usually out biking, kayaking (on a tandem) or playing basketball.


John Kalmi, Technical Lead Mobile Engineering

John is a recent University of Wisconsin – Madison graduate where he majored in Computer Engineering. He is passionate about making mobile software easy to use and brings that enthusiasm to the Propeller Health mobile apps. Outside of work, he enjoys running, reading, and organizing Taco Tuesdays.

Ian Alderman, Software Engineer

Ian is an experienced distributed systems software developer, passionate about helping people (and computers) make big data useful for human health. Working with the HTCondor project and focusing on secure distributed task management, he earned a Ph.D. in Computer Sciences at the University of Wisconsin – Madison. More recently, he spent 5 years at Cycle Computing, where he was a Solutions Architect helping customers use HPC in the cloud. On earth, he plays dobro and guitar in a bluegrass band.


Ben Kopp, Software Developer

Ben is one of those young whipper snappers trained by Eric Hoffman while studying computer engineering as an undergrad at the University of Wisconsin – Madison. After graduating with an MS in Electrical Engineering in 2007, Ben worked at ZMDI for 6 years where he developed an expertise in sensors and sensing technology.  At home, he is trying his best to raise two future Badger football players.


Eric Hoffman, Mechanical/Electrical Engineer

Eric tries real hard to keep one step ahead of the “young whipper snappers” he helps train as an instructor at UW Electrical Engineering Dept. With 10 years at Intel, 7 at ZMDI, and 5 as an independent consultant & instructor at the UW, Eric definitely has a mastery of obsolete technologies. He spends many of his evenings in his basement laboratory building prototypes of what should be the “next big thing”.


Solomon Blaz, Software Engineer

Solomon loves when people and technology combine in ways where the whole becomes greater than the sum of the parts. He finds Propeller’s mission particularly exciting after witnessing the effects of poor air quality on asthma during Salt Lake City winters. After earning a double major in Physics and Computer Science and working on particle accelerators at Cornell University, he cut his teeth on flight simulation and video game software before spending over a decade developing clinical applications for the health information systems at the Veterans Health Administration. When not fiddling with computers, you can find him learning to curl, playing a board game, or practicing Tai Chi.


Sam Koblenski, Firmware Engineer

Sam has an insatiable curiosity for knowing how things work and making things work better, especially when it’s software. Coupled with a Masters in Electrical and Computer Engineering from the University of Wisconsin – Madison and over a decade of experience designing for a wide range of sensors, he brings plenty of know-how to the sensor design team at Propeller Health. In his free time Sam enjoys reading, writing on his blog and playing Lego video games with his kids.


River Karl, Software Engineer

River is an Electrical Engineering graduate from the University of Wisconsin – Madison with an interest in using web technologies to deliver awesome experiences to users of any device. He loves working on projects that aim for the moon and enjoys creating products that exceed users’ expectations. Outside of work River enjoys running, cycling, gymnastics and anything involving a lake.


Justin Krosschell, Hardware Engineer

Justin doesn’t have money. But what he does have are a very particular set of skills; skills that he has acquired over a very short career. Skills that make him an awesome hardware design engineer. If you let his design go now, that’ll be the end of it. It will just work, but if it doesn’t, he will not sleep until it does.


Dmitry Stupakov, Senior Product Manager

Dmitry has spent his career working with engineers and designers to build software that is used by hundreds of millions (Tango Video Calls, HealthTap, Hotspot Shield). He loves diving deep into data sets to find valuable insights about behavior, and using that data to iterate and improve user experience. When away from his Macbook, Dmitry enjoys racing road bikes, tinkering with cars / motorcycles, or hiking among the California redwoods with his dog, Oliver.


Molly Costello, Account Manager

As a childhood asthmatic, Molly can speak from personal experience about the benefits of inhalers and chronic disease management. For the last five years, Molly has been working in healthcare, most recently implementing Epic’s outpatient clinical applications, including patient and physician portals. She also worked in health insurance brokerage after graduating from Boston College. When not working, she enjoys playing hockey and roller derby, home improvement projects, and spoiling her rescued husky, Scout.


Shannon Goeldi, Account Manager

With a career entirely wrapped up in Healthcare IT, Shannon is passionate about putting health data to use to improve both individual patient care and manage population health. She has a degree in Biological Anthropology and German from the University of Wisconsin – Madison. In her free time, Shannon enjoys playing with her Australian Cattle Dog Maddie, cooking and crafting, and spending time with friends and family.

Jesika Riley, Clinical Research Coordinator

Jesika has been a Clinical Research Coordinator for 12 years working mainly with prescription medications and medical devices. Her favorite things are spending time with her husband and daughter, shopping and using emojis.



Kelly Henderson, Research Coordinator

Kelly is passionate about exploring ways that digital health tools can support self-management of chronic illnesses, as well as address social and environmental determinants of health in communities. Most recently, she worked at a social media data analytics company leading a collaborative project focused on analyzing real time social media data to inform public health communication and campaigns. She received her Bachelors degree from Duke University and her Masters in Public Health from UC Berkeley. Beyond work, Kelly enjoys hiking, playing soccer, and avocado on everything.


Melissa Williams, Program Coordinator

Melissa has a love for education and healthcare. She graduated with a degree in Respiratory Therapy and Healthcare Administration from the University of Southern Indiana. In her free time she loves spending time with her husband and two small boys playing outside and going for walks. She is an avid sports fan, loves playing volleyball, and watching IU basketball.


Ruby Valadez, Marketing Manager

Ruby is a graduate from the University of Wisconsin – Madison with a double major in Psychology and Neurobiology. With a diverse background in neurological research, wildlife conservancy, patient care experience, and Spanish fluency, Ruby now works with the Implementation team for Propeller Health but enjoys the equally diverse roles she is able to participate in with this growing and exciting company. In her free time, Ruby enjoys creating art, catching up on her reading and the latest movies, and visiting her beautiful baby niece.


Scott Smith, Market Development Representative

Scott is a Madison Wisconsin native.  He graduated from the University of Wisconsin – Madison in 2011.  He has a real passion for technology and Chicago sports teams.  Scott also has a big following with the company pets when he is sneaking them food — just don’t tell their owners.


Leah Morrell, RQA Engineer

Leah is a biomedical engineering graduate from Washington University in St. Louis. She works with the Propeller Health regulatory and quality team to design and run usability tests and to implement privacy and security practices.  Leah enjoys brainstorming with coworkers to identify and tackle usability challenges in the product. In her free time, she enjoys cooking and hiking.


Charles Donaldson, RQA Engineer

Charles recently graduated with a Master’s Degree in Biomedical Engineering from UW-Madison where he also received a BS in Biomedical Engineering. He has worked with software verification and medical devices on and off for the past 3 years at Ikaria before joining the Propeller crew. In his spare time, he likes playing ultimate frisbee or basketball, fishing on the Madison lakes and cheering on the local Wisconsin sports teams.


Amber Markey, RQA Engineer

Amber is a mechanical engineering graduate from the University of Kansas. Before joining Propeller Health, she aided hospital IT staff in debugging and maintaining electronic health record software as a Technical Services representative at Epic. She moonlights by racing bikes in Stage Races such as North Star Gran Prix, weekend XC mountain bike races, and gets rowdy at local cyclocross events. According to her five roommates, she makes the best pancakes since IHOP. When not training or working, her German shepherd Kaiya puts her to work tossing the frisbee.


Taylor Mahan-Rudolph, Lead Design Controls Engineer

Taylor is a recent graduate from the University of Wisconsin – Madison where she studied Art History and European Studies. With a diverse background in museum work, publishing and radio, she now works in Quality and Regulatory Affairs at Propeller Health. In her free time, Taylor enjoys looking at art, biking and traveling as much as possible.


Samantha Below, Software Tester

Samantha recently graduated with a bachelor’s degree in biochemistry  from UW-Madison. She is passionate about preventative health care, and optimizing software for the every user.  Her personal hobbies include long-distance running, backyard badminton tournaments, and perfecting her fudge recipe.


Lauren Flegel, Operations and Support Specialist

Lauren is passionate about helping Propeller’s end users have the best experience possible. She received her Bachelors degree from University of Wisconsin-Madison in 2014. She absolutely loves the atmosphere of Madison, although she originally hails from the frozen tundra, also known as Green Bay, WI. In her free time, Lauren enjoys doing yoga, reading, and playing with golden retrievers.


Sarah McMullen, HR Coordinator

Sarah is originally from the Washington DC area and is a graduate of Virginia Tech where she received a BA in Communication with a concentration in Human Resources. She spent three years working as a Staffing Consultant for a variety of companies in the Central Illinois area. She enjoys hiking, attending country concerts, and hanging out with her cat- who also has a BS in CatStuff.


Edith Flores, Bilingual Customer Advocate

Edith is originally from Chicago and is a recent graduate from the University of Wisconsin-Madison. She has a degree in Latin American, Caribbean and Iberian Studies and is passionate about social justice and access to higher education. Edith enjoys traveling, dancing, eating and laughing a lot.