Nathan's Ninjas

Please note: Students who are enrolled in Stratton's after school program (APTG), should enroll in Session 2

Known for its fun games and teamwork-oriented environment, Nathan’s Ninjas is a mix of traditional Kempo Karate with elements of sport karate, tumbling, and grappling. This course will give you a true self-defense perspective, all while having fun and building confidence.

Nathan Porter
Nathan Porter

The owner and chief instructor of Rising Storm Training Academy, Sensei Nathan has been training in Kempo Karate for over twenty five years, and he currently holds the rank of 7th-degree black belt. He has cross-trained in various martial arts disciplines including wrestling, jujitsu, aikido, taekwondo, judo, and the Filipino arts. He is a KRANE State Champion, and he won the Bantamweight Division at the ISKA World Submission Grappling Championships in Orlando, Florida. He has traveled to Indonesia, Japan, Philippines, and Korea where he studied under numerous masters in various disciplines of martial arts. Sensei Nathan has been recognized and inducted into the World Martial Art Federation Hall of Fame, and other Hall of Fames for Outstanding Youth Instruction, Rising Star in the Arts, and won Martial Art School of the year 2024 American Martial Arts Alliance has inducted Sensei Nathan into the Who’s Who in the Martial Arts Hall of Fame with a Legends Award in 2018. He also was appointed to the AMAA Board of Directors Featured in more than eight books, sixteen movies, and comic books, Sensei Nathan is a best selling author and award winning producer. He has been interviewed by several film award institutions. In 2020, Sensei Nathan became the President of the World Martial Arts Federation. This collection of over 80 New England schools share training tips, certifications, and promote unity in the martial arts. His three studios have won numerous "Best" awards in 2021, 2022, and 2023. Nathan holds numerous Martial Art titles but prefers "Sensei" He currently teaches over 300 students and holds certificates in Advanced Children Education, Hypnotherapy, Public Speaking, and Executive Protection studies.
Sections
Nathan's Ninjas-Stratton Gr K-5: Session 1
Starts Fri, Apr 10th 2026 2:40 - 3:40 PM No class Apr 24
Su
M
Tu
W
Th
F
Sa
Stratton Elementary School
Price: $195.00 Grades K - 5th
Enroll Now
Instructors:
  • Nathan Porter
DateTimeLocation
Fri, Apr 10th 2026 2:40 - 3:40 PM Stratton Elementary School
Fri, Apr 17th 2026 2:40 - 3:40 PM Stratton Elementary School
Fri, May 1st 2026 2:40 - 3:40 PM Stratton Elementary School
Fri, May 8th 2026 2:40 - 3:40 PM Stratton Elementary School
Fri, May 15th 2026 2:40 - 3:40 PM Stratton Elementary School
Fri, May 22nd 2026 2:40 - 3:40 PM Stratton Elementary School
Fri, May 29th 2026 2:40 - 3:40 PM Stratton Elementary School
Fri, Jun 5th 2026 2:40 - 3:40 PM Stratton Elementary School
Map / Location
Location map for Stratton Elementary School
Nathan's Ninjas-Stratton Gr K-5: Session 2
Starts Fri, Apr 10th 2026 3:45 - 4:45 PM No class Apr 24
Su
M
Tu
W
Th
F
Sa
Stratton Elementary School
Price: $195.00 Grades K - 5th
Enroll Now
Instructors:
  • Nathan Porter
DateTimeLocation
Fri, Apr 10th 2026 3:45 - 4:45 PM Stratton Elementary School
Fri, Apr 17th 2026 3:45 - 4:45 PM Stratton Elementary School
Fri, May 1st 2026 3:45 - 4:45 PM Stratton Elementary School
Fri, May 8th 2026 3:45 - 4:45 PM Stratton Elementary School
Fri, May 15th 2026 3:45 - 4:45 PM Stratton Elementary School
Fri, May 22nd 2026 3:45 - 4:45 PM Stratton Elementary School
Fri, May 29th 2026 3:45 - 4:45 PM Stratton Elementary School
Fri, Jun 5th 2026 3:45 - 4:45 PM Stratton Elementary School
Map / Location
Location map for Stratton Elementary School
Nathan's Ninjas-Thompson Gr K-5
Full
Waitlist
Starts Wed, Apr 8th 2026 1:10 - 2:10 PM No class Apr 22
Su
M
Tu
W
Th
F
Sa
Thompson Elementary School
Price: $195.00 Grades K - 5th
Enroll Now
Instructors:
  • Nathan Porter
DateTimeLocation
Wed, Apr 8th 2026 1:10 - 2:10 PM Thompson Elementary School
Wed, Apr 15th 2026 1:10 - 2:10 PM Thompson Elementary School
Wed, Apr 29th 2026 1:10 - 2:10 PM Thompson Elementary School
Wed, May 6th 2026 1:10 - 2:10 PM Thompson Elementary School
Wed, May 13th 2026 1:10 - 2:10 PM Thompson Elementary School
Wed, May 20th 2026 1:10 - 2:10 PM Thompson Elementary School
Wed, May 27th 2026 1:10 - 2:10 PM Thompson Elementary School
Wed, Jun 3rd 2026 1:10 - 2:10 PM Thompson Elementary School
Map / Location
Location map for Thompson Elementary School