Who We Are Heritage Professionals Newfoundland & Labrador (HPNL) is a new cross-disciplinary association dedicated to meeting the needs of working professionals. Membership is open to individuals in both the private and public sectors who are actively engaged in the provision of products and/or services related to the planning, preservation , presentation and promotion of cultural and natural heritage. Our membership is drawn from a broad range of disciplines including, but not limited to, those listed below.