David W. Grantham began his martial art training at the age of twenty-four, studying Liuhebafaquan under the tutelage of instructor David Zucker. Mr. Zucker studied under the late Master John Chung Li. He also trained in a fighting form taught only to advanced students. After training for one year with Mr. Zucker, Mr. Grantham was encouraged to further his knowledge of Chinese martial arts and was recommended to attend Yang's Martial Arts Association headquarters in Boston. He joined YMAA and started training under the Shaolin curriculum. Over the years of training at the school and attending seminars abroad, Mr. Grantham expanded his studies to include taijiquan and qigong.

David Grantham currently holds Certificates as Coach Instructor and Chin Na Instructor and teaches at the Hunterdon Wellness Center in Clinton, New Jersey. David Grantham resides in Hunterdon County, New Jersey with his wife and two children.