Sugam Budhraja
PhD · Head of Data & AI at Sahha
Sugam Budhraja leads the data, AI, and product work behind Sahha, turning passive smartphone and wearable data into health scores, digital biomarkers, and behavioral archetypes. He holds a PhD in Computer Science from Auckland University of Technology, with research in multimodal, explainable health AI — including phone-only depression-risk prediction from passive data alone. He writes across the health-data landscape — from the wearable data ecosystem to product, infrastructure, and what it takes to build on health data.
Wearable and behavioral health dataHealth AI and machine learningDigital biomarkersPassive smartphone sensingExplainable AI
36 articles
- The Health AI Wars: Apple, Google, Samsung, and OpenAI Are Racing to Coach You — and Data, Not Models, Will Decide It Jun 25, 2026
- Orthosomnia: How Sleep Trackers Are Making Us Anxious About Sleep — and What Good Design Does Instead Jun 18, 2026
- WWDC 2026: What Apple's Redesigned Health App, Better Sleep Tracking, and Delayed AI Coach Mean for Developers Jun 11, 2026
- Apple Watch vs Oura Sleep Data: Why Wearables Disagree, and How to Build On It Anyway Jun 4, 2026
- Google Just Unified the Android Health Stack: What Google Health, the Gemini Coach, and FHIR Medical Records Mean for Developers May 28, 2026
- Why Most Health App Users Churn Within 90 Days — And What the Data Says About Fixing It May 15, 2026
- Gamification and Behavioral Nudges in Health Apps: What Works, What Doesn't, and What Health Data Changes May 8, 2026
- AI Health Coaching Is Here: How LLMs Trained on Wearable Data Are Replacing Generic Health Advice Apr 30, 2026
- Remote Patient Monitoring Is Going Consumer: How Wearables Are Crossing the Clinical Divide Apr 23, 2026
- Nutrition Tracking Is Getting a Data Upgrade: AI Food Scanning, Consumer CGMs, and the Convergence With Health Data Apr 16, 2026
- Digital Mental Health Is Moving Beyond Self-Report — How Behavioral Data From Phones and Wearables Is Changing the Game Apr 9, 2026
- Corporate Wellness Is Moving From Surveys to Passive Health Data — Here's What That Means Apr 2, 2026
- The State of Women's Health Data in 2026: Why FemTech Is Digital Health's Biggest Gap — and Fastest-Growing Market Mar 26, 2026
- How Longevity Apps Are Tracking Biological Age With Wearable Biomarkers Mar 19, 2026
- From Reactive to Predictive: How AI Is Transforming Personal Health Analytics Mar 10, 2026
- The State of Wearable Health Data in 2026: Market Trends, Challenges, and What Comes Next Mar 5, 2026
- How Passive Health Data Collection Works on iOS and Android (Without a Wearable) Feb 26, 2026
- Data-Driven Personalization in Fitness Apps: From Generic Plans to Adaptive Coaching Feb 19, 2026
- Apple HealthKit vs Google Health Connect: What Developers Need to Know Feb 12, 2026
- How Health Insurers Are Using Wearable Data to Cut Claims and Reward Prevention Feb 5, 2026
- How GLP-1 Medications Are Reshaping Digital Health and Fitness Feb 1, 2026
- HIPAA-Compliant Health Data APIs: A Checklist for Product Teams Jan 22, 2026
- Build vs Buy: The True Cost of Health Data Infrastructure Jan 15, 2026
- The Sleep Tech Market in 2026: Why Sleep Data Is the Most Valuable Metric in Consumer Health Jan 8, 2026
- Connected Fitness and the Gym Tech Stack: How Health Data Is Reshaping the Fitness Club Industry Jan 1, 2026
- The Cold-Start Problem in Health Apps: How to Personalize Before You Have Data Dec 11, 2025
- Sahha Ships Rebuilt Data Pipeline and Overhauled SDKs Across All Platforms Dec 10, 2025
- How to Deduplicate Health Data Across Wearables: A Developer's Guide Dec 4, 2025
- How to Normalize Wearable Data Across Providers: A Developer's Guide Nov 27, 2025
- Wearables, Nearables, and Ambient: A Field Guide to Health-Tracking Devices in 2025 — and What Their Data Is Actually Worth Nov 20, 2025
- Sahha Raises $1.2M to Scale Health and Wearable Data Engagement API Jul 21, 2025
- Introducing Sahha Insights: Trend Detection and Population Comparisons for Health Data Apr 1, 2025
- Sahha Launches Archetypes: Dynamic Behavioral Profiling From Health and Lifestyle Data Jan 20, 2025
- Real-Time Health Scores and On-Demand Biomarkers Now Available on Sahha Jan 8, 2025
- Sahha Introduces Smartphone-Based Sleep Estimation After Apple Drops iPhone Sleep Tracking in iOS 18 Dec 12, 2024
- Sahha Launches the Readiness Score: Recovery, Strain, and Sleep in One Daily Signal Sep 17, 2024