Multisystem autoimmune rheumatic diseases are rare or ultra-rare disorders linked to significant mortality and morbidity. However, with the rise of new technology, including data registries and advanced genetic analysis, rare rheumatic disease research is being propelled forward to inform future therapeutic options and improve patient outcomes. In light of Rare Disease Day 2021, Dr Jonathan Miner, MD, PhD, discusses his work and contributions to the rare disease space, and speaks to the importance of research and the management of patients with rare rheumatic diseases.