About
Marco Altini is a researcher and entrepreneur specializing in heart rate variability and its applications for health and athletic performance. He holds a PhD in applied machine learning and has published extensively on HRV monitoring.
He created HRV4Training, one of the most scientifically-grounded HRV apps available, which uses phone camera or chest strap to measure HRV and provide training recommendations. Unlike many consumer apps, HRV4Training is built directly on peer-reviewed research.
Altini is known for making complex HRV science accessible through his blog and social media, emphasizing practical application over hype. His work focuses on using HRV to guide training decisions and prevent overtraining.
Areas of Expertise
Notable Work
HRV4Training app
HRV research publications
Practical HRV education and blog