Aikido of Park Slope
Aikido of Park Slope was founded in 1981. Hal Lehrman, the head instructor, has been practicing Aikido since 1964 and now holds the rank of 7th Dan and is shihan. He is among the highest ranked Aikido instructors in the United States. Sensei Lehrman also teaches and practices at the New York Aikikai, the headquarters of the United States Aikido Federation under the direction of Yoshimitsu Yamada, 8th degree Black Belt.