Head Instructor of Sarpy Aikido Club. Sensei Jeff Christenham was born in Honolulu, Hi and moved to Omaha, Ne in 1990. Jeff currently holds the rank of Godan (5th degree black belt) in Aikido, 1st Dan unified martial arts, and has experience in the following arts, Muay Thai Kick Boxing, Hapkido, Judo, Kung Fu, Self Defense Ninjutsu American Combat, Submission Wrestling, Gracie Jiu-Jitsu, and boxing. Jeff has competed in amateur MMA and is currently a personal trainer in the Omaha area.
Regional Instructor of the Heartland. Christenham Sensei was born in 1946 in Ventura, California. Christenham Sensei retired from the Army Corps of Engineers and a local engineering firm in Omaha. He started learning Aikido in 1970 under Kubo Shihan in Hawai’i and thereafter, he became the assistant instructor to Shimazu Sensei in Hawai’i for 7 years. Christenham Sensei taught Aikido for few years in Hawai’i-kai in Hawai’i before he moved to Omaha. In 1990, Christenham Sensei started teaching his sons and a few other students Aikido in Omaha at his home. In January of 1991, Sarpy Aikido Club opened in its present location at La Vista Recreation Center near Omaha, Nebraska. It was the first Aikido club to be opened in the Omaha area. Christenham Sensei is still actively the chief instructor of the dojo. He currently holds the rank of 6th Dan. Christenham Sensei also was a Golden Gloves boxer and has an extensive background in Kung Fu.
Sensei Kaulukukui was born and raised in Honolulu, Hawaii. Upon graduation from high school, he attended and graduated from Michigan State University with a degree in Health, Physical Education and Recreation. He then served in the U.S. Army as a platoon sergeant in an airborne infantry unit in the Vietnam War. After a year of graduate study, he became a high school P.E. teacher, and he also coached football and wrestling. He eventually graduated from law school, worked in the field of business law and litigation, and served as a Hawaii state court trial judge. He is presently the Chairman of the Board of a trust that helps orphan and poor Hawaiian children. He studied some martial arts as a youth, but became seriously interested in such arts in college, where began the study of the Korean art of tae kwon do. Studying that art for 10 years, he eventually earned the rank of 3rd degree black belt. He also studied kempo karate. Since 1993, Sensei Kaulukukui has also studied the traditional Hawaiian self-defense art of lua, and he has attained the rank of olohe (teacher) in that art. He began his practice of aikido in the late 1970s under the instruction of Sensei Sadao Yoshioka at the Waialae Dojo in Honolulu. Beginning in 1980, he began studying aikido under Shihan Robert Kubo at the Kailua Dojo. He has continued to study under Shihan Kubo’s guidance up to the present time. Sensei Kaulukukui has participated in seminars in various states of the United States, and has accompanied Shihan Kubo as his otomo and assistant on trips to Japan and Sweden. He teaches regularly at the Kailua Dojo in Honolulu.
Kubo Shihan was born 1935 in Honolulu, Hawaii. He graduated with a degree in secondary education from the University of Hawai’i and taught in Hawai’i public schools for 30 years until his retirement in 1990. Kubo Shihan is presently the Chief Instructor of Aikido of Hawai’i International. He supervises dojos in Hawai’i; Omaha, Nebraska; Volousia County, Florida; and San Diego, California. Kubo Shihan began his martial arts training in judo at the age of 12 under the strict supervision of Yukiso Yamamoto Sensei who later became Kubo Sensei's Aikido instructor. He currently holds the rank of 8th Dan. Other instructors who had profound influence on Kubo Sensei's present style of Aikido and philosophy include O-Sensei Morihei Ueshiba, 2nd Doshu Kisshomaru Ueshiba Sensei, current Doshu Moriteru Ueshiba, Koichi Tohei Sensei, Shoji Nishio Sensei, Morihiro Saito Sensei, and Yasuo Kobayashi Sensei. In 1963, Kailua Aikido Club was established by Kubo Sensei at the Windward YMCA. Kailua Aikido Club has been in existence for over 40 years and Kubo Sensei still actively instructs at this location. His dojo is sometimes affectionately referred to as "Kubo Sensei's Inaka Dojo". As of January 2003, Kailua Aikido Club has a new home located at Kokokahi YWCA in Kaneohe. He currently holds the rank of 8th Dan.
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