A warm welcome to two new trainees. Dr. Alexander Ahmadi joins us from the Saint Louis University (SLU) periodontics residency program. Dr. Ahmadi will be working with us on the oral biosensor project. Xiao Zhang is currently visiting as a rotation student from the BME program at Washington University. Xiao will investigate the properties and regulation of bone marrow adipocytes and consider their contributions to the bone biomechanical microenvironment.