Dalton joined HealthTree in 2024 as the CLL and MF Education Manager. He is passionate about helping patients gain a better understanding of their health and treatment and sees it as a way to help empower individuals and their families who are affected by these diseases. Prior to joining HealthTree Dalton earned a Master’s Degree in Oncological Sciences while studying various different blood cancers. When not interacting with patients he is an avid snowboarder and hiker.

William Wierda, MD, PhD, is a Chronic Lymphocytic Leukemia (CLL) specialist who holds a number of roles at The University of Texas MD Anderson Cancer Centre (MDACC), Houston, TX, including Professor within the Department of Leukemia, Section Chief for CLL, and Centre and Executive Medical Director. In 1986 he graduated from the University of California with a BS in Biochemistry. In 1992 he gained his PhD in Microbiology and Immunology, and a year later his MD from the University of Health Sciences/The Chicago Medical School. Following his education in Internal Medicine and Fellowship in Hematology/Oncology, Dr Wierda moved to the MDACC as an Assistant Professor of Medicine in the Department of Leukemia in 2001, and has been conducting his clinical and translational research in CLL there ever since, becoming a Professor in 2012. He has been Principal Investigator (PI), Co-PI, or collaborator in many clinical trials, published in numerous peer-reviewed journals, and has given many lectures at national and international scientific meetings.