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Roger Wehrhahn, Shihan
Founder, Mountain Teachings
Roger Wehrhahn began his martial arts journey in 1969 in Kearny, New Jersey, with a passion that has sustained and evolved over more than five decades. His foundational training was in traditional Okinawan Goju Ryu Karate Do and Ryukyu Kobudo (ancient Okinawan weapons). In 1980, his interest expanded to include the Japanese sword arts—Kenjutsu and Iaido—leading him to seek out intensive seminars and specialized training opportunities across the U.S.
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Contact Shihan Wehrhahn
North American San Shin Kai

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In 1984, Wehrhahn formally began studying Iaido under Mitsuzuka Takeshi Sensei, founder of the San Shin Kai. That same year, he traveled to Tokyo, Japan, for a month-long immersion at the San Shin Kai hombu dojo. Over the following years, he made numerous trips to Japan and hosted Mitsuzuka Sensei annually in the United States. In recognition of his dedication and skill, he was awarded a 6th-degree black belt and the title of Shihan (Chief Instructor) within the San Shin Kai.
Shihan Wehrhahn holds a 7th dan, Kyoshi rank in Okinawan Goju Ryu Karate, along with advanced dan rankings in Kobayashi Shorin Ryu and Ryukyu Kobudo. His martial arts background is diverse, also including training in Kyokushin Kai Karate, Moo Duk Kwan Tae Kwon Do, Aiki-jujutsu, Hakko Ryu Ju Jutsu, and Chen-style Taichi.
Today
Shihan Wehrhahn continues to focus on Iaido, Kobudo, and Karate Do—offering instruction through seminars, private lessons, and his educational platform, Mountain Teachings (www.mountainteachings.com). Through this initiative, he produces high-quality instructional videos to help preserve and share these traditional arts with practitioners around the world.






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  • Home
  • News
  • Products Store
    • Kobudo DVDs & Streams >
      • Accessories >
        • Brian Tumiel >
          • Tobin Foster, Sensei >
            • Sensei Glenn
    • Swords
    • Iaido DVDs & Streams
    • Karate DVDs & Streams
  • Instructor
    • Zoom Lessons
    • Private Lessons
    • Seminar Instruction
  • Contact
    • F.A.Q.