Welcome to That HRV Guy

Learn how Salim Najjar transformed his life and health through HRV mastery,

and how you can too.

That HRV Guy is more than just a wellness brand—it's a movement focused on

empowering individuals to take control of their nervous system and unlock their

true potential. Discover how Salim’s journey, from an HRV of 32 to over 150, led

to the creation of The A.R.T. of the Heart™ methodology.

Welcome to That HRV Guy

Learn how Salim Najjar transformed his life and health through HRV mastery, and how you can too.

That HRV Guy is more than just a wellness brand—it's a movement focused on empowering individuals to take control of their nervous system and unlock their true potential. Discover how Salim’s journey, from an HRV of 32 to over 150, led to the creation of The A.R.T. of the Heart™ methodology.

Salim Najjar brings the lens of an engineer to the human nervous system guiding CEOs, founders, and elite performers to nervous system sovereignty, teaching them to alchemize stress into their greatest ally with HRV as the compass. After transforming his HRV from 32 to 100+, he created the A.R.T. of the Heart framework, a path towards Nervous System sovereignty.

From launching his own beverage company to traveling the globe and learning from spiritual masters, Salim stands at the intersection of entrepreneurship, biohacking, and consciousness. Today, he bridges these worlds to build a movement and community that returns empowerment to each individual -  reminding us that your body’s wisdom is the only guru you will ever need. 

My HRV Sovereignty Journey

The Foundation Years

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June 1987

Born

First generation Lebanese-American. Eldest of three. The journey begins.

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October 1994

Father Passes Away

Age 7 - The caretaker pattern forms.

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June 2005

Graduated High School

Ready to engineer my way to success.

The Building Years

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May 2009

Graduated RPI

Dual Engineering Degree in hand. The analytical mind fully online.

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September 2009

Nuclear Power Plant

Started my first engineering job at a Nuclear Power Plant.

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December 2009

The Health Awakening

My obsession with nutrition and optimizing my body began.

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The Entrepreneurial Climb

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March 2014

Biohacking World Emerges

Started experimenting with EVERYTHING to optimize to the max.

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August 2014

Launched Sound Beverages

Co-founded an unsweetened sparkling tea company. Mission: Bring transparency into the beverage space.

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December 2014

Full-Time Beverage Entrepreneur

Quit corporate & moved to NYC going full-time on Sound.

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February 2019

NYC Billboard Debut & Knee Injury

Netflix debut. I thought I made it to the top! Knee Injury humbled me.

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The Data Awakening

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December 2019

Oura Ring Purchase

HRV Baseline: 32-35. First time seeing HRV. I had no idea what it meant.

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August 2020

First True Understanding of HRV

Read "Becoming Supernatural." and learned HRV related to stress. Became OBSESSED with wanting to optimize it

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November 2020

Venice Beach, CA Move

Dream apartment with sunset views for Sound expansion

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May 2021

HBOT Purchase

Investing in optimization. Still forcing outcomes.

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The "Peak" Years

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June 2022

Birthday Launch Event

Launched newest Sound flavor and closed on major capital raise for Sound

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June 2023

Launched @thatHRVguy & Birthday Declaration

Sound was expanding exponentially however I was struggling to raise enough capital to support. Asked the universe for "less doing, more being." Launched @thatHRVguy IG Profile

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The Breaking Point

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June 21, 2023

The Universe Responds

Gifted an e-bike for my birthday. First ride, dislocated shoulder. The body's intervention begins.

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August 19, 2023

Shoulder Surgery

Did ALL the things to get my body ready for surgery going into it with an HRV of 150 and stepping out with an HRV of 10. Forced stillness, deep listening and letting go of my beverage company.

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The Dissolution & Rebirth

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November 2023

First Bali Trip

Seeking something. Finding myself.

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January 16, 2024

Personal Bankruptcy Filing

"Rock bottom" Identity death. Soul rebirth.

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The Integration

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June 2024

Best Friend Trip to Italy

Explored one of my favorite countries with my besties

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September 2024

Greece Expedition

Co-lead a group of 12 exploring sacred sites in Greece

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November 2024

Java Trip

Spent 8 days with masters in Java learning their mystical ways

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December 2024

The Unconventional Life Retreat - Okinawa, Japan

Hosted workshop & activation in largest Blue Zone of the world

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The Sovereignty Journey

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January 2025

Got Light

Let go of ALL my toys and left my Venice Biohacking Oasis

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May 2025

Biohacking Conference Debut

Hosted workshop & activation at Dave Aspery's Biohacking conference

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July 2025

MUDWTR Gathering HRV Workshop

Hosted my first curated HRV Workshop & Activation with my community in Venice

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Present Day

PRESENT DAY

Daily devotion of LISTENING to my body

In the Media

The Pocket Podcast

Biohacking Bestie

Heal Thyself

The Great Unlearn

The Extend Podcast

Meat Mafia

Which HRV Archetype are you?

THE ACHIEVER

Builds with vision, drives with purpose, creates from determination. Their ambition inspires everyone around them.

THE OPTIMIZER

Tracks with precision, tests with dedication, measures what matters. Their drive for improvement inspires everyone around them.

THE INTUITIVE

Feels with depth, hears the unsaid, reads the room. Their intuition reveals truth to everyone around them.

THE EXPLORER

Questions with courage, approaches with wonder, discovers with openness. Their curiosity is a gift for everyone around them.

Take Your HRV Archetype Quiz

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Your Path to Nervous System Sovereignty Starts Here

Join The A.R.T. of the Heart and discover how HRV can guide you out of autopilot and

into clarity, sustainable energy, and self-trust.

Your Path to Nervous System

Sovereignty Starts Here

Join The A.R.T. of the Heart and discover how HRV can guide you out of autopilot and

into clarity, sustainable energy, and self-trust.

Copyright 2025. That HRV Guy. All Rights Reserved.