Aaron Blight and his wife were thrown into the role of caregiver when his mother-in-law was diagnosed with a brain tumor. The couple cared for her for more than five years, juggling her needs with raising their four children. Today, Blight combines a professorship at Shenandoah University in Winchester, Virginia, and writing about caregiving with running his company, Caregiving Kinetics, which provides training for professional and family caregivers. In a recent interview, he discussed four different types of caregivers, whom he describes as “the unheralded and unrecognized” providers of unpaid care valued at some $500 billion per year. He credits Amanda Cooper at the University of Connecticut for the profiles, which she based on the online narratives written by family…