Daniel Honore Lachance, M.D., is a clinical neuro-oncologist who leads the Section of Neuro-Oncology at Mayo Clinic. Dr. Lachance's research includes efforts to engage and recruit Mayo patients to participate in neuro-oncology research in collaboration with the Alliance for Clinical Trials in Oncology and the National Cancer Institute at the National Institutes of Health (NIH). He also participates in the development of clinical trials and in the Collaborative Ependymoma Research Network (CERN).

Dr. Lachance's recent focus has been as a collaborator in work to understand the genetic basis of brain tumor development, including projects with Robert B. Jenkins, M.D., Ph.D., in the Mayo Clinic Brain Cancer SPORE Grant and with Melissa Bondy, Ph.D., in the International Case Control Study of Malignant Glioma. To facilitate these interests, he has worked with the Mayo Clinic Enterprise Data Trust toward the development of databases that interact in real time.