David Heil & Associates, Inc. David Heil & Associates, Inc. (DHA) specializes in the development and evaluation of a range of educational programs, products and services, and also serves public and nonprofit organizations with market research, stakeholder engagement, and comprehensive strategic and business planning. In doing so, DHA helps organizations honor their history, mission, vision and core values by providing them with sound research evidence and insights to inform decision making as well as the basic business tools and strategies to perpetuate those characteristics that distinguish them most in their community and positions them to thrive in a competitive environment and challenging future. |