Liem is Board Certified in General Surgery and Vascular Surgery.&nbsp; He is a member of the Society for Vascular Surgery, the Midwestern Vascular Surgical Society, the Western Vascular Society, the International Society for Thrombosis and Hemostasis, and Alpha Omega Alpha.&nbsp; He is on the Editorial Board and a reviewer for numerous medical journals, and he has published over 30 book chapters and peer-reviewed articles.&nbsp; Education