Adult Learning Theories Every Instructional Designer Must Know Infographic. To facilitate learning and be an effective Instructional Designer, . David A. Kolb on experiential learning. David A. Kolb’s model of experiential learning can be found in many discussions of the theory and practice of adult education, informal education and lifelong learning. 8 Reasons Why Experiential Learning Is The Future Of Learning by Mr Rajiv Jayaraman, Founder and CEO, KNOLSKAPE. Experiential Learning.