Howard Liebman is professor of medicine and pathology at the University of Southern California's (USC) Keck School of Medicine. He also serves as medical director of the Special Hemostasis Laboratory at USC's Norris Comprehensive Cancer Center and is interim chief of the Section of Hematology. Dr Liebman received his medical degree from USC in 1973. His postgraduate training included a residency in internal medicine and fellowships in medical oncology and hematology at Los Angeles County-USC Medical Center (1973 to 1980). Dr Liebman then completed a research fellowship at Tufts University-New England Medical Center, Boston, Massachusetts, USA (1981 to 1984). Before returning to USC, he held faculty positions at Tufts University and Boston University.  

 Dr Liebman's research interests include clinical management and characterization of hemostatic and thrombotic disorders, management of autoimmune blood disorders, and clinical therapy of HIV and AIDS. He has authored or coauthored 85 peer-reviewed publications and 28 reviews and chapters.