Rosier, Tamara Phd: - Tamara Rosier, PhD, is founder of the ADHD Center of West Michigan, where she and her staff work with individuals with ADHD (and their families) to learn strategies and develop new skills to live effectively with ADHD. Dr. Rosier is also the president of the ADHD Coaches Organization. She is a popular conference and keynote speaker, is a frequent guest on podcasts, and has published numerous articles about living with ADHD. She lives in West Michigan.