He recently retired from a practice of surgical pathology at the Ameripath Cleveland Laboratory where he served as the laboratory medical director. His medical interests and expertise focus on gastrointestinal pathology and hematopathology. He continues to teach at the CWRU School of Medicine. For many years Willie has been an advocate for environmental health, recognizing the important connections between a healthy environment and human health and wellness. He has served on the board of directors of the Ohio Environmental Council since 2005 and is currently the chair of the board finance committee and treasurer of the organization.