Isaac Doederlein is a notable competitive black belt under Rubens Charles “Cobrinha”. Isaac first made it to the top of the IBJJF Worlds podium as a blue belt in 2010, he went on to be the third American to win the CBJJ Brazilian Nationals in 2019 and most recently he won the IBJJF Black Belt World Title at light featherweight in 2022. Other notable achievements at Black Belt include: (via BJJ Heros)

  • 1st Place CBJJ Brazilian Nationals (2019)
  • 1st Place IBJJF European Open (2020)
  • 1st Place IBJJF Las Vegas Open (2017)
  • 1st Place IBJJF San Francisco Open (2018)
  • 1st Place UAEJJF King Of Mats, TYO (2019)
  • 1st Place UAEJJF US National Pro, LA (2017)
  • 2nd Place IBJJF European Open (2022)
  • 2nd Place IBJJF American Nationals (2020)
  • 2nd Place UAEJJF Abu Dhabi Pro (2019)
  • 2nd Place ACB 6 Grand Prix (2017)
  • 3rd Place IBJJF European Open (2018)
  • 3rd Place IBJJF World Championship (2019)
  • 3rd Place IBJJF Pan Championship (2019 / 2021)
  • 3rd Place UAEJJF Abu Dhabi Pro (2017)

Of Isaac’s 103 competitive wins, 61 were by submission while having never been submitted over 35 losses. Top submission? Chokes from the back. What shines about his game? Outside passing to the back. Sound like someone you want an opportunity to learn from?

Isaac Doederlein Seminar at Hart BJJ

Saturday Feb 18, 2023 from 1pm-3pm. 

Early Bird offer expired on Feb 1! Sign up today! 


BJJ near me, MMA near me, Conshohocken

Hart’s Newsletter

Sign up for Hart’s newsletter today and schedule your 2 Week Free Trial and have the Opportunity to save $100 with us!