Robert Stewart work email
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R&D leader and software architect with extensive experience designing, developing, and deploying data-intensive healthcare applications that leverage machine learning. I’ve successfully managed large, distributed engineering teams and delivered large, complex products to production on time and on budget. I have experience building and scaling large health tech platforms and am passionate about making a difference through delivering better healthcare. I believe strongly in DEI and feel deeply accountable for helping everyone around me be as productive, happy, and successful as possible.Technical Specialties: Leadership and mentoring of technical teams, software architecture, data engineering, machine learning, product design, analytics, project execution, data-driven decision making, distributed systems, scalability, performance, security, Java, Python, MySQL, MongoDB, Linux, speech recognition applications, open source software licenses, and technical presentations.2020* Moments that Matter: Creating a Personalized Experience with Machine Learning at AHIP Institute & Expo Online2019* Demystifying Machine Learning and Artificial Intelligence for Health Benefits webinar* Healthcare technology panel at F50 Global Capital Summit in Palo Alto* Speaker at and on a healthcare technology panel at the Global Big Data Conference in Santa Clara* Speaker at AI in Healthcare Summit at DataX in San Francisco (Segmentation of users by health condition and prediction of future diagnoses)2018* Engineering People Podcast* Speaker at SF CTO Summit2017* Tech People Podcast2016* Speaker at Data Dialogs Conference at UC Berkeley (Machine Learning at Castlight)2013* Speaker at NoSQL Now* Speaker at MongoDB SF2010* Speaker at MongoDB SV
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Chief Technology OfficerArbital Health Apr 2024 - PresentSan Francisco, California, Us -
Technical AdvisorKeen Insurance Services Mar 2022 - PresentCharlotte, North Carolina, Us -
Cto & Chief ArchitectApree Health Aug 2022 - Apr 2024* Define and drive the apree health technical roadmap* Work closely with Solution, Product and Clinical teams on product definition* Lead apree's efforts to leverage generative AI to reduce administrative burden for our providers and improve the patient experience* Manage a team of senior architects and data scientists* Participate frequently in sales presentations to health plans and large employers* Supported all teams in migrating the Castlight platform from an on-prem data center to Google Cloud. The 2.5 year migration project was completed two months ahead of schedule.* Supported teams that built the vaccine search engine and inventory tracking behind vaccines.gov* Founded Hack Day at Castlight in 2013 and have led or co-led all 27 apree/Castlight hackathons as of 2023* Organize and lead monthly Engineering meetings in the US and India* Editor of the apree health Engineering and Data Science blog* Trusted and respected motivational leaderI frequently give technical presentations to people with a wide range of backgrounds. One of my top skills is explaining complex technical topics in an understandable way that still conveys the true meaning and importance.I’m very comfortable in the ambiguous and uncertain situations that often occur during times of rapid growth. Although I love technology, I’m very focused on using it in a way that maximizes the quality of the end user experience. -
Cto And Chief ArchitectCastlight Health Mar 2017 - Aug 2022San Francisco, California, Us* Define and drive the Castlight technical roadmap* Work closely with Product and Clinical teams on product definition* Manage a team of senior architects and data scientists* Participate frequently in sales presentations to health plans and large employers* Interim CISO from May 2020 to November 2020* Organize and lead the monthly Engineering All Hands* Editor of the Castlight Engineering and Data Science blog -
Vp, Engineering And Chief ArchitectCastlight Health Jan 2016 - Mar 2017San Francisco, California, UsLed the Engineering teams that built Castlight Action, the first healthcare personalization engine to use claims, demographic data, surveys, application activity data, and more to identify and predict medical conditions for individuals and then deliver timely, meaningful, personalized recommendations. I was also the overall architect of this product. At the core is a predictive analytics engine employing Python and C++ ML libraries on top of a Greenplum database cluster. This work is the foundation of the current Castlight Genius engine and is one of the most impactful features of the platform.Led a 35-person group working on the following components of Castlight's health navigation platform:* Castlight Action* Castlight's Pricing Engine, which uses machine learning algorithms to predict medical, behavioral health, prescription drug, and dental prices* Castlight's Unified Provider Directory, which combines provider directories from tens of health plans with quality data from Castlight and many third party sources* Java-based services supporting the Castlight platform* Angular-based web and mobile applications used by millions of end users* Employer-facing reporting and admin tools implemented in a Django and Angular webapp
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Chief ArchitectCastlight Health May 2011 - Jan 2016San Francisco, California, UsResponsible for overall scalability, performance, security, and reliability of the Castlight Health navigation platform. Helped develop Java services for search, pricing, and provider directory data. Did all development and configuration work to migrate the serving of geospatially-indexed pricing data to a highly scalable MongoDB-based architecture that dramatically improved search performance. I presented at MongoDB SF 2013 on this implementation. This design is still in use and serves over 2 TB of pricing data. Mentored DBAs and reorganized database systems for much greater scalability and reliability.
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Technical AdvisorKindred Oct 2017 - Dec 2021Advisor to the Computable Labs CTO. The company was later renamed to Kindred. -
Lead ArchitectVoxify Jun 2004 - May 2011Alameda, Ca, UsDesigned and developed hosted speech applications for medium to large clients. Managed the infrastructure development team. DBA for 25 MySQL instances in 9 data centers. -
Chief ArchitectAvaya Aug 2000 - May 2004Morristown, New Jersey, UsSoftware architect for next generation IVR products, workflow tools, and application design tools. Managed a highly distributed Solutions Engineering team. -
Consulting Member Of Technical Staff, Chief ArchitectLucent Technologies Bell Labs Innovations Jul 1999 - Aug 2000Led the design, development, and evangelization of CRM Central, a distributed platform for managing multi-channel inbound contact centers. CRM Central was the core product leading to the acquisition of Mosaix by Lucent. Also, served as the Department Head for a 60-person R&D group that included development, documentation, and QA. Co-author on a patent for intelligent contact routing using a workflow engine. -
Executive Director, Software EngineeringMosaix Jan 1996 - Jul 1999UsManaged a 50-person R&D group that included development, documentation, and QA. Reported to the CEO. -
Engineering Manager, Senior Software EngineerViewstar Sep 1993 - Jan 1996Managed the client software development team for the ViewStar workflow system. Helped design and develop the API and libraries for building client applications and custom workflow tasks.
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Research Scientist AssociateApplied Research Laboratories, The University Of Texas At Austin Jun 1988 - May 1993Austin, Texas, UsDesigned and developed user interfaces and image processing software for sonars for submarines.Performed data analysis and modeling of the scattering of sound in ocean sediments. Published an article in the Journal of the Acoustical Society of America and spoke at the annual conference.
Robert Stewart Skills
Robert Stewart Education Details
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Rice UniversityPhilosophy -
The University Of Texas At AustinElectrical Engineering And Computer Science
Frequently Asked Questions about Robert Stewart
What company does Robert Stewart work for?
Robert Stewart works for Arbital Health
What is Robert Stewart's role at the current company?
Robert Stewart's current role is CTO at Arbital Health.
What is Robert Stewart's email address?
Robert Stewart's email address is rs****@****lth.com
What is Robert Stewart's direct phone number?
Robert Stewart's direct phone number is +120268*****
What schools did Robert Stewart attend?
Robert Stewart attended Rice University, The University Of Texas At Austin.
What skills is Robert Stewart known for?
Robert Stewart has skills like Software Engineering, Software Development, Java, Python, Scalability, Mysql, Saas, Integration, Linux, Cloud Computing, Agile Methodologies, Enterprise Software.
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