Last updated on: July 28, 2025
Hafthor Júlíus Björnsson (born 26 November 1988, Reykjavík, Iceland) is an actor, producer, and legendary strongman whose colossal 6′9″ (2.06 m) frame and calm charisma have made him a pop‑culture icon. After a knee injury ended his pro‑basketball career at eighteen, he redirected his competitive fire to strength sports, winning Europe’s Strongest Man three times and capturing the coveted 2018 World’s Strongest Man crown. Björnsson cemented his power‑lifting legacy in May 2020 by dead‑lifting a record‑breaking 501 kg (1,104 lb) on live TV, then pivoted to heavyweight boxing, defeating rival Eddie Hall in “The Heaviest Boxing Match in History” (2022).
On‑screen, audiences know him as Ser Gregor “The Mountain” Clegane in HBO’s Emmy‑winning epic Game of Thrones (seasons 4–8), where his silent menace became instantly meme‑worthy. Additional credits include actioner Kickboxer: Retaliation (2018) and voice work in The Northman (2022). Off camera, Björnsson co‑owns Iceland’s Thor’s Power Gym, endorses nutrition brands, and, with wife Kelsey Henson, champions mental‑health and fitness causes across social media.
Bio/Wiki
Full Name
Hafþór Júlíus Björnsson
Nickname
Thor, The Mountain, Hafthor Bjornsson
Profession
Strongman, Actor, Basketball Player
Career
Debut
Film
Operation Ranganök (2017)
TV Show
Game of Thrones (2014)
Best Known for
He is best known for his role as Gregor “The Mountain” Clegane in HBO’s Game of Thrones and as a world-record-holding professional strongman.
Awards
Personal Profile and Background Details
Date of Birth
November 26, 1988
Age
As of today, Hafthor Bjornsson is 37 years old.
Zodiac sign
Sagittarius
Signature
Nationality
Icelandic
Birth Place
Reykjavik, Iceland
Residence
Kópavogur, Iceland
School / College / University
He began his academic path at Grundaskóli and continued to Hjallaskóli, where his towering frame and boundless energy already made him stand out.
Later, he enrolled in the polytechnic school in Breiðholt, Iceland, balancing classroom learning with a love for sports. Whether it was soccer, gymnastics, or basketball, young Hafþór was always moving, always competing. These school years weren’t just about academics—they were the training ground for a mindset built on discipline, competition, and growth.
Religion
Christianity
Race / Ethnicity
Icelandic and of White European descent
Food Habits
He fuels like a Norse god in training. During his strongman peak, he consumed an eye-watering 8,000 to 10,000 calories a day, stacking his plate with eggs, bacon, steak, salmon, rice, and sweet potatoes like it was a full-time job. Think six eggs, piles of French toast, and a mountain of meat—all followed by a digestion walk. His signature shake? A high-powered blend of skyr, berries, oats, and peanut butter.
But when he stepped into the boxing ring, the Mountain slimmed down. Hafthor traded mass-gain madness for lean, focused fuel—think beef tenderloin, oatmeal, berries, and greens. Dairy took a backseat, inflammation went down, and performance went up. Whether it’s lifting boulders or throwing punches, Hafthor’s plate always mirrors his goal—big, bold, and built for impact.
Hobbies
Hafthor Bjornsson finds joy in the simple and strategic—like video games and chess, where he once held a Blitz rating of 800. Sports have always been in his DNA, from soccer and gymnastics to Brazilian jiu-jitsu and boxing. He also enjoys hunting natural stones with his family, a nod to Icelandic strength traditions. And at Thor’s Power Gym, he channels his passion into helping others grow stronger.
Physical Attributes and Measurements
Height
- In feet – 6′ 9″
- In Centimeters – 206 cm
- In meters – 2.06 m
Weight
- In kilograms – 180 kg
- In Pounds – 400 lbs
Body Measurements
- Chest Size: 60 inches
- Biceps Size: 22 inches
- Waist Size: 48 inches
Shoe size
16 (US)
Eye color
Green
Hair color
Light Brown
Hafthor Bjornsson Family
Wife
Kelsey Henson (2018–Present)
Father
Bjorn Thor Reynisson
Mother
Ragnheidur Margret Juliusdottir
Siblings
Hafdis Lind Björnsdóttir (Sister)
Bryndís Björg Björnsdóttir (Sister)
Children
Theresa Lif (Daughter)
Stormur Magni Hafthorson (son) (Born on 26 September 2020)
Grace Morgan Hafþórsdóttir (Daughter) (Stillborn)
Relationship & More
Marital Status
Married to Kelsey Morgan Henson
Marriage Date
October 21, 2018
Girlfriend and Dating History
Thelma Björk Steimann (Past)
Kelsey Morgan Henson (2017-Present)
Favorite Things
Favorite Athletes – Kobe Bryant, Michael Jordan, LeBron James, Carmelo Anthony
Net worth 2025
$2.5 million
As of December 2025, it’s estimated that Hafthor Bjornsson has a net worth of about $2.5 million. He’s a savvy businessman, a YouTube content machine, a record-breaking athlete, and now, a boxer. Over the years, he’s built a surprisingly diverse income portfolio—from Viking-strength powerlifting to brand deals, screen time, and even yogurt. Yep, skyr yogurt.
So, where exactly does The Mountain make his money? Let’s break it down.
1. Strongman Career — Where the Journey (and Paychecks) Began
Before all the cameras and endorsements, Hafthor made his name in the strongman circuit—dominating the global stage with titles like:
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World’s Strongest Man – 2018
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Europe’s Strongest Man – five-time winner
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Arnold Strongman Classic – three-time champion
Each win came with sizable prize money. For example, winning World’s Strongest Man earned him around $75,000, and the Arnold Classic handed out $80,000+ to the champ. With multiple wins and appearances, his total prize earnings easily add up to $400,000–$500,000 over the years.
But the real value wasn’t just the checks—it was the global attention that turned him into a household name.
2. Acting – The Mountain That Changed Everything
Let’s be honest. The world met Hafthor as Ser Gregor “The Mountain” Clegane on Game of Thrones. He appeared in 17 episodes between Seasons 4 and 8, playing a character so terrifyingly silent and strong, fans couldn’t look away.
So how much did he earn? While he wasn’t among the top-billed actors, recurring characters on HBO hits can earn anywhere from $20,000 to $30,000 per episode. Multiply that over five seasons and you’re looking at around $350,000–$500,000, possibly more with residuals and royalties.
And the screen work didn’t stop there. He’s had roles in Kickboxer: Retaliation, a brief part in The Northman, and even did some voice work. Nothing blockbuster-sized, but enough to pad the income—and the IMDb page.
3. Boxing – The Big Pivot (and Bigger Payouts)
After retiring from strongman competitions, Hafthor took his power into the ring. His biggest match? The long-awaited bout against rival strongman Eddie Hall in 2022—billed as “The Heaviest Boxing Match in History.”
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Estimated payout: $500,000–$1 million
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Pay-per-view, sponsors, bonuses: Easily added six figures more
Since then, he’s taken part in other exhibition fights, with conservative estimates putting his boxing income between $600,000–$1.2 million depending on the year. For someone who was never meant to be a boxer, that’s a solid right hook to the bank account.
4. YouTube & Social Media – The Content Goldmine
This is where things get interesting. Hafthor’s YouTube channel isn’t just some side project. With nearly a million subscribers and videos that rack up millions of views, it’s a full-on business.
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Estimated YouTube earnings:
Around $100,000–$120,000 per month, which adds up to $1.2–$1.4 million per year just in ad revenue.
And that doesn’t even include Instagram, where he has over 3.7 million followers. Sponsored posts, affiliate links, and brand collaborations likely bring in another $300,000–$600,000 annually.
He’s not just posting flexes and food—he’s building a digital empire, one rep at a time.
5. Business Ventures – From Protein to Power Brands
Björnsson has turned his name into a fitness and lifestyle brand that reaches far beyond lifting competitions.
Thor’s Power Gym
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A strength-training haven in Reykjavík where Hafthor trains and mentors others.
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It’s part gym, part brand HQ, and part museum of Icelandic brawn.
Icelandic Mountain Vodka
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Premium vodka brand that Hafthor co-owns
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While financials aren’t public, it’s stocked in several international markets and definitely pours in steady returns
Thor’s Skyr
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A protein-rich Icelandic yogurt with Hafthor as co-founder and face of the brand
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Capitalizes on his health-conscious, performance-focused image
Merch & Apparel
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His online shop sells everything from T-shirts to powerlifting accessories
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Estimated to pull in $100,000–$300,000 per year, depending on product drops and demand
All these ventures are built on one thing—authenticity. People believe in Hafthor’s products because they trust his brand.
6. Public Appearances & Events
From strength expos to fitness festivals, Hafthor is in high demand. He commands fees for:
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Meet-and-greets
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Brand-sponsored appearances
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Motivational talks
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Guest judging at competitions
While rates vary, they typically range between $10,000–$50,000 per appearance, which adds another $100K+ annually to his total.
Hafthor’s Estimated Earnings by Stream
| Income Source | Estimated Annual Earnings |
|---|---|
| YouTube & Social Media | $1.4M – $2.0M |
| Boxing Matches | $500K – $1.2M |
| Acting (TV + Films) | $100K – $200K (varies) |
| Business Ventures | $200K – $400K |
| Strongman Prize Money (past) | $400K–$500K total |
| Sponsorships & Events | $300K – $600K |
Source of Income – Acting
Car collection
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House
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