Webas an occupational therapy assistant, you will help people of all ages who are struggling with physical or mental health conditions regain their independence and participate in everyday activities. But before making any decisions, it is essential to weigh the pros. Webat centennial college's occupational therapist assistant & physiotherapist assistant (ota & pta) program, you'll learn to support people whose ability to function and adapt. Webif you are considering occupational therapy as a career, by becoming an occupational therapist or an occupational therapist assistant, you are looking at a challenging and.