Professor Yoshihiro Sakamoto has performed more than 900 hepatectomies and has published more than 300 papers on hepato-biliary-pancreatic surgeries. He is well-versed in liver regeneration and portal vein embolization, contributed on papers on major hepatectomies with portal vein embolization (Ann Surg 2006, Hepato-Gastroenterol 2010, Surgery 2013, Ann Surg Oncol 2017), and also developed modified procedure of ALPPS (Ann Surg 2016 & 2018).