Dr. Glassy is a community pathologist in Southern California and director of pathology at Providence Little Company of Mary Medical Center, San Pedro, California. He is a member of Affiliated Pathologists Medical Group, a 40 person independent pathology group covering 15 hospitals and laboratories in California, Portland and Phoenix. He has chaired hospital and CAP national committees. He has served as chairman of the Hematology, Publications, Digital Pathology, Curriculum, and Information Technology Leadership Committees.

He has been involved with digital pathology for over 10 years and has lectured at major pathology conferences such as USCAP, CAP, ASCP, Pathology Visions, and the Royal College of Pathologists. He is past president of the Digital Pathology Association. He edited and illustrated several pathology color atlases and developed software programs for pathology reporting, outreach, and practice management. He holds a green belt in Six Sigma. He is a trustee of the American Board of Pathology as well as a governor of the College of American Pathologists.