Shihan Soller is the Founder and Chief Instructor of The Phoenix Karatedo Association. He is known internationally around the globe and directs branches in the USA and Overseas. An author, karate champion and administrator, Soller is best known for his commitment to his students and dynamic leadership. He continues to train and teach regularly in his small dojo.

Soller promotes the traditional and educational values of karate by emphasizing an individual's development and human potential. His classes are taught in a disciplined atmosphere where he emphasizes kihon and direct, proactive movements. Soller began his study of Oyama-ryu Kyokushin karate under Raymond Elmore when he was sixteen years old. He later served as chief instructor in Elmore's dojo. In 1979, he was awarded a full teaching scholarship to develop the martial arts programs at Southern Illinois University. While there, he trained hundreds of students and redesigned the curriculum to better reflect karate's goals and meet students' needs. He went on to organize and develop karate clubs in the eastern USA before spreading his Phoenix Karate throughout the world. He is the author of "Teaching in the College Dojo" (1983) and the "Club Guidebook" (1984), which grew into six revised editions and was expanded into The Phoenix Way, 2000 Millennium Edition.

A college administrator by profession, Soller holds academic degrees from The Richard Bland College of the College of William and Mary, James Madison University, and Southern Illinois University. He serves as Vice President and Adjunct Professor at Mount Saint Mary's College in Emmitsburg, Maryland. He resides in Maryland.