Dr John Hui is a General Practitioner in private medical practice.  Having received his training in Naprotechnology in Omaha in 2005, he is now the director of Fertilitycare Singapore (www.fertilitycare.com.sg), a programme which helps couples increase their chances of conceiving naturally.  Dr Hui, together with his wife Geraldine, is also a presenter with Marriage Preparation Course, which helps couples prepare for their lifetime commitment in marriage. He was a member of the Committee on the Family (Ministry of Community Development and  Sports) from 2001 to 2005. He and his wife have four children, ranging from the ages of eight to eighteen. He is a resource speaker for several organizations, giving talks to empower parents in areas such as sexuality education, as well as  couples in the area of marriage enrichment.