He attended secondary school in Amsterdam, followed by his university studies in Delft. It is during that time that he came in contact with the Theosophical Society. But, he had a deep rooted love of nature, and of the tropical climate. He left Delft and graduated with honours from the Agricultural University in Wageningen in 1903.

He returned immediately to Indonesia and began a carreercareer as a civil servant in the Department of Agriculture, where he had several jobs: Scientific Assistant at the experimental station for the sugar industry in Pasoeroean, Java in 1903; deputy Director of the experimental station for the rice industry in Buitenzorg in 1906; then back at the experimental station for the sugar industry in Pasoeroean, Java as its Director in 1910; and finally Director of the experimental station for the rice industry in Buitenzorg in 1912. He was promoted to Inspector of the Agricultural Information Service in 1917, then Department Head of the Department of Agriculture in 1925. He returned to the Netherlands at the end of his 20th year of service as a Civil Servant, as it was customary at the time. In 1925, he was appointed as Professor of Tropical Agriculture at his Alma Mater in Wageningen and retired as such in 1949.
During his years in Indonesia, Prof. Van der Stok makde frequent visits to the International Headquarters of the Theosophical Society in Adyar. His carrer in Masonry was mainly devoted to the obedience "Le Droit Humain", he was also nominated as one of the seven founders of the Sovereign Sanctuary of the Egyptian Rite of the Ancient Mysteries. He was also ordained to the Priesthood in the Liberal Catholic Church.

Bishop Leadbeater discovered his natural faculty for clairvoyance and suggested him to receive special training. Prof. van der Stok followed the instructions of the same ashram Bishop Leadbeater received during his early training in Adyar.

During a period of about ten years he combined his clairvoyant investigations with his work at the university. After his retirement he dedicated He returned to the Netherlands at the end of his 20th year of service as a Civil Servant, as it was customary at the time. In 1925, he was appointed as Professor of Tropical Agriculture at his Alma Mater in Wageningen and retired as such in 1949.

Tthe last years of his life were dedicated entirely to mystical research and to clairvoyant investigations on the effect of group ceremonies on the physical and super physical planes. He also made a very profound studies of the working and influence of the powers and energy during the several stages of the Church Year. . He came to live near the Saint Michael Theosophical Centre in Naarden, where he shared the results of his clairvoyant research in seminars, lectures and talks, often recorded on magnetic tape. However, most of the material was lost in the disastrous fire of the Besant Hall in the late sixties, the main building of that Center. Only his public talks, printed in the Magazine of the Center, the studies he made for the Order of the Round Tablee and the Liberal Catholic Clergy Training Seminars survived.

For hundreds of people who had the privilege to hear his teachings, he remains one of the great mystics and theosophists of the 20th century.