Siddharth Nandyala isn’t your average teenager. At 14, he has built an artificial intelligence system that listens to heartbeats and flags potential cardiac issues with an accuracy of over 96%. His app, Circadian AI, is no science project—it has already been tested on more than 15,000 patients in the United States and 700 in India, including at Guntur Government General Hospital.
“This 14-year-old has made detecting heart-related problems easier!” said Andhra Pradesh Chief Minister N. Chandrababu Naidu after meeting him. “I am absolutely delighted to meet Siddharth Nandyala, a young AI enthusiast from Dallas and the world’s youngest AI-certified professional.” Naidu, visibly impressed, called Circadian AI a medical breakthrough and promised his full support to the young innovator.
Born in Anantapur, Andhra Pradesh, Siddharth moved to the United States in 2010. Now based in Frisco, Texas, he has already racked up credentials most professionals would envy. He holds AI certifications from Oracle and ARM, making him the youngest in the world to earn them. When he isn’t training artificial intelligence to diagnose heart diseases, he’s pursuing a Bachelor of Science in Computer Science at the University of Texas at Dallas.
His ambitions extend beyond a single app. In 2023, he launched STEM IT, an initiative that trains students in emerging technologies. His work on developing affordable prosthetic arms further demonstrates his drive to make technology accessible and impactful. His efforts have not gone unnoticed—he was named Innovator of the Year by the Frisco Chamber of Commerce and recognised as a National STEM Champion.
Despite the accolades, his focus remains on making Circadian AI widely available. The app, which works by analysing heart sound recordings from a smartphone, has the potential to transform cardiac healthcare. In many parts of the world, early detection of heart conditions is hampered by a lack of access to specialists. A tool like Circadian AI could change that, offering a quick and reliable assessment in seconds.
Circadian AI isn’t yet listed on mainstream platforms like the Google Play Store or Apple’s App Store, leaving questions about its public availability and cost. For now, access appears to be limited to clinical testing and specialised trials. The eventual goal, however, is to make the technology accessible to anyone with a smartphone.
Siddharth’s vision stretches beyond just one app. He has been a keynote speaker at the Global AI Summit in Hyderabad, championing the need for more inclusive STEM education and better AI-driven healthcare solutions. His work has drawn admiration from government officials, including Andhra Pradesh Deputy Chief Minister Pawan Kalyan, who praised the young innovator’s achievements.
For someone so young, Siddharth’s achievements already hint at a career that could redefine healthcare technology. His journey is still in its early days, but with the kind of backing he’s receiving, the possibilities seem limitless.
As Naidu put it, “At such a young age, he is an inspiration to us all.”
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