When her Son Kevin Thurlow-Criss split from his group at the time to start his own independent Association, in 2007, Sheila Sensei became Deputy Chief Instructor to the Association and was examined and graded to the rank of Yondan (4th Dan) in March 2008. Sheila Sensei continued to train in her own Dojo until 2013 as well as assisted Kevin Sensei in his Honbu (Head) Dojo in Sidcup. Sheila Sensei worked hard in the Dojo, determined to progress as far as she could within Karate and trained with many top instructors such as, Kanazawa Sensei, Namiki Sensei, Sugimoto Sensei, Colin Putt Sensei, Jan Knobel Sensei, Richard Amos Sensei, Dave Hooper Sensei, Simon Oliver Sensei, George Best Sensei and Scott Langley Sensei, to name but a few. Between 2007 and 2013 Sheila Sensei undertook a second Instructor Training Programme within the Shotokan Ryu Karate Kyokai Kokusai (SKKK) based on that of the Japan Karate Association, validated by the World JKA Karate Association (WJKA) and in 2008 was awarded her International ‘C’ level International Instructor, Examiner and Judge qualification.