Cart

No products in the cart.

BECOME A MEMBER

Cart

No products in the cart.

Author: Marco Altini

Marco Altini is a scientist and developer mainly working at the intersection between health, technology, and performance. He has a Ph.D. (cum laude) in Data Science and an MSc (cum laude) in Computer Science Engineering as well as another MSc (also cum laude) in Human Movement Sciences, with a specialization in High-Performance Coaching Marco started HRV4Training in 2012, making it a tool that is today trusted by more than 150 000, including Olympic medalists and professional teams. HRV4Training is a mobile platform using advanced signal processing and data analytics to measure physiology and quantify stress, helping athletes of all levels to better balance training and lifestyle stressors to improve performance. HRV4Training is also the first and only app that can reliably measure heart rate variability (HRV) using the phone’s camera. Instagram | Twitter

NEWSLETTER

Sign Up and Stay in the Loop

Stay informed about the latest development, announcements, and promotions in strength and conditioning training, sports science, performance management, and related disciplines.

Claim Your Free Copy of Home Workout Builder

After you sign up, we will send you Home Workout Builder to your email address.

Home Workout Builder is an awesome easy-to-use tool which will enable you to create custom home workouts using only the basic stuff you have at hand.
Footer menu

About Us

Contact

Terms of Use

Privacy Policy

Follow us
Copyrights © 2026 Complementary Training

Report

Harassment or bullying behavior
Contains mature or sensitive content
Contains misleading or false information
Contains abusive or derogatory content
Contains spam, fake content or potential malware

Block Member?

Please confirm you want to block this member.

You will no longer be able to:

  • See blocked member's posts
  • Mention this member in posts
  • Invite this member to groups
  • Message this member
  • Add this member as a connection

Please note: This action will also remove this member from your connections and send a report to the site admin. Please allow a few minutes for this process to complete.

Report

You have already reported this .

Share Your Work with Complementary Training

Got something valuable to share — an article, a tool, or an idea that could help others in the coaching world?

We’d love to see it, share it, and make sure your work gets the recognition it deserves.

Fill out the form below and let’s get started.

Cancel Membership

Please note that your subscription and membership will be canceled within 24h once we receive your request.