Tamara Rosier, Ph.D. Leadership and Learning; expert in pedagogy; has been a college administrator, a professor, a high school teacher, and a faculty developer. As a co-founder of Acorn Leadership, Tamara has successfully worked with organizations to develop stronger teams, healthier cultures, and more effective leaders. She works with individuals to enhance interpersonal effectiveness, increase social intelligence, capitalize strengths, and bridge performance gaps. As founder of the ADHD Center of West Michigan, she leads a team of professionals to provide outstanding resources for individuals and their families after they receive a diagnosis of ADHD, including support for adults, students, and student groups. She is also the president of ADHD Coaches Organization (ACO).