This CEO was bedridden 16 hours a day. She turned her own misdiagnosis into a self-funded, multimillion-dollar thyroid clinic

McCall McPherson, a physician assistant, founded Modern Thyroid Clinic after her own misdiagnosis and severe symptoms led her to develop a new approach to thyroid treatment. The self-funded Texas-based telehealth clinic now operates in 48 states, employs nearly 40 people, and is projected to generate lower-mid eight figures in revenue.