M.Sc. Sport Surface Technologist, Course manager at Golfklubbur Mosfellsbæjar (GMos) in Iceland, Turf Grass Consultant and father of three
Joined September 2013
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- Followers 1,679
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553 Photos and videos
Food for thought: I just got a $50k quote for a new electric roller. It’s a simple machine with a lithium battery, yet it costs more than two electric UVs (like the Club Car Carryall 500) that use the exact same battery tech.
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The industry leaders are at risk of becoming the "Kodak" of turf equipment. They are pricing themselves out of the market while ignoring the real game-changer: Autonomy.
Imagine a fleet of small, autonomous rollers hitting the greens at 3 AM as the dew settles, or
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a "companion" roller that follows you while you change holes and set tees. If someone can deliver a fleet of autonomous rollers for $100k, the current players will be nothing more than a Wikipedia entry.
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15 Dec 2025
Did we manage to go through 8 versions of @RainBirdCorp Stratus without noticing that 270°arc Precip. Rate was calculated wrong?!! 🤔 It multiplies 360° arc with 1.5, should be 1.33! In this video it should be 20.23, but Stratus calculates 22.82!!! Cirus Pro uses correct formula
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7 Nov 2025
How classic Iceland this is: I manage one of the courses they played, and my wife is the GM if the Hotel they staied at 🤣 "stunning championship condition" they say. You should come and try it
Why Iceland is Europe's most surprising new golf destination dailymail.co.uk/sport/golf/a…
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8 Oct 2025
We are looking for a Turf Equipment Manager. If you are looking for a new adventure in the coolest city in Europe (pun intended), might want to look at this job ad👇
Turf Equipment Manager bigga.org.uk/career/turf-equ…
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Bjarni hannesson retweeted
3 Oct 2025
Cherry urinal
Cakes in the satellite boxes have kept us ant/bug free and most importantly snake free this year.
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25 Sep 2025
Our TEM is heading for new adventures so we are looking for a new turf equipment manager. If you are interested in a new adventure in Iceland, drop your CV and cover letter to me at bjarni@golfmos.is @TETOrganisation @reelturftechs
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19 Sep 2025
Been spending the last 13 seasons applying only what the grass needs, no more, no less. Stop spending money and effort on stuff you don't need #mlsn
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10 Sep 2025
Are you laying up on a par 5? Or are you a proper golfer? Greenkeepers watch til the end
9 Sep 2025
The Foulweather Collection.
Available Now at manorsgolf.com
A Film By: @dougguillot
Starring: @johanneshaukur
Sound Design: @lukeisom / @creative.outpost
Colour: Black Kite Studios / @blackkitestudios
Colourist: Tom Mangham / @thomasmangham
Colour Producer: Jamie Mccubbin / @jami.emccubbin
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1 Jul 2025
July starts with a nice low of 2.1°C. Club championship today plus full tee times until 9PM. Only 9 people with a booke tee time after that. Just another summers day in Iceland :)
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Bjarni hannesson retweeted
19 May 2025
Are wetting agents useful on native soil fairway turf? Yes, especially if they contain creeping bentgrass.
Check out our latest blog article on the topic: greenkeeperapp.com/marketing…
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30 May 2025
Love having a great crew and great facilities so they can kick back after a good week, play pool and darts with beers and pizzas. Lives good
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22 May 2025
We had a week of great weather by Icelandic standards. Broke 20°C, and saw 24hrs mean temps higher than 16°C!! Shocking stuff. That resulted in 4,340 rounds of golf played over our two courses, or 620 rounds per day. Icelanders love golf and double digits on the Celsius scale
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20 May 2025
I refuse to take part in grow-ins unless there are robots. So good on the first cuts.
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20 Apr 2025
This is why we lean on fescues here in Iceland. The left double rows are creeping bents still completely dormant. Then a row of fescue/bent mixes or pure fescue, a border of chewing fescue and then colonial bent that's still dormant. Which would you go for if you open tomorrow?
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Bjarni hannesson retweeted
20 Apr 2025
The one thing every AD/GM/manager/coach needs to fully understand is that injury prevention begins in the weight room and ends on the field. Investing in your field and field managers the way you do weight rooms and strength coaches pays ten fold in the success of a team
19 Apr 2025
Game 56/56
There’s lots of numbers and stats we could spew at you, but the most important one was ZERO field related injuries. Incredibly proud of this crew and the care they put in day to day to ensure the best, safe and reliable playing surface no matter what number game.
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Bjarni hannesson retweeted
16 Apr 2025
After 7 years of R&D, the turf sensor research we've been pursuing is finalizing coming to GreenKeeper. Measure turf density, N status, and pest and drought stress in GK CIS. Create prescription fertilizer maps, adjust irrigation runtimes, redirect carts, spot treat pests, etc.
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3 Apr 2025
Food for thought: if these Trump tariffs are here to stay, will they be the death of 5 gang mowers in golf? They are made of many parts that cross tariff lines and are already very expensive. Smaller auto mowers have very few parts and are getting cheaper fast. 🤔
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