Stefan Ydstie
BJJ black belt and former professional MMA fighter who leads advanced classes at Grenland Submission Academy in Porsgrunn.
Biography
Sources for this profile
Grenland Submission Academy, official instructor profile, undated.(opens in a new tab)
Stefan Ydstie holds a BJJ black belt under Bruno Carvalho and Vidar Sandene.
Where in the source: Våre trenere / Stefan Ydstie, first bullet.
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He is the head instructor of advanced classes at Grenland Submission Academy, also branded Grenland BJJ & Wrestling, in Porsgrunn.
Where in the source: Stefan Ydstie role heading; homepage introduction and footer.
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The academy describes him as a former professional MMA competitor with 15 years in MMA and grappling and three years in judo.
Where in the source: Stefan Ydstie, second and third bullets.
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Sherdog, Stefan Ydstie fight record.(opens in a new tab)
Ydstie defeated Lukasz Swirydowicz by first-round armbar at MMAC 2 on 25 February 2017, with a recorded finish time of 2:54.
Where in the source: FIGHT HISTORY – PRO; sole row, all columns read.
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EFC Worldwide, Lukasz Swirydowicz fighter profile.(opens in a new tab)
EFC’s profile of Lukasz Swirydowicz records a first-round armbar loss to Stefan Ydstie.
Where in the source: PRO FIGHT HISTORY, STEFAN YDSTIE row.
Accessed:
Ernst Matre, Kraft Performance Podcast E008, 2017.(opens in a new tab)
A 2017 Kraft Performance Podcast episode introduction described Ydstie as a professional MMA fighter from Trondheim training at Skien Fighterclubb.
Where in the source: Description of E008; full written paragraph.
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Ernst Matre, Kraft Performance Podcast E027, 10 August 2018.(opens in a new tab)
By August 2018, the podcast introduced him as a former professional MMA fighter preparing for further BJJ competition.
Where in the source: Episode 027 title and written description, dated 10 August 2018.
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