He founded the JMJ Congregation to impart education to catholic girls, a dire need of the Church of his time. His undaunted courage, strong faith, unshakable trust in the Divine Providence, the determination to work like a giant with the powerful weapons of prayer and asceticism, positive outlook to life and its realities and challenges enabled Father Wolff, to leave a lasting legacy of availability and hard work to his followers. Very soon the Congregation spread out to the whole of the Netherlands under the leadership of different Superiors General -.

The Society of J.M.J. made rapid strides over the years. Following the principles of her founder, has grown into a impressive tree that spreads itself across Indonesia, India, Africa, Italy and America to provide a shelter to the orphans, handicapped, marginalized, aged, HIV/AIDS patients and has a network of schools, colleges, hospitals and social service centers

JMJ Shanthi Sadan is a very young organization housing modern amenities with well-equipped and well-managed place where one feels the positive vibrations of affection, love and belongingness.   Along with the basic amenities like safe and secure livelihood, healthcare and entertainment, the organization adds value to the life of elderly people. Yoga, spirituality, self-care and hobbies, the best things are offered to delight them. Our aim is to care for the elderly bringing positivity and enthusiasm in their lives so that every new day brings new rays of hope and happiness. Shanthi Sadan is a home for 60 and above who desire to live in peaceful and secure ambience after retirement.  The calm and serene atmosphere provides a lively environment and the residents can live a happy and blessed life with confidence and independence. This is a boon for the parents who want to be independent and want to spend their golden years peacefully. It plans to instigate a feeling of optimism into the lives of elderly. Eradicate insecurity and loneliness from their life through a new concept of living. We provide rooms for single occupancy, double occupancy and four sharing according to the interest of the people the rooms are being allotted.