After he finished active duty in the Swiss military in 1984, Weil was hired by the Swiss Bank Corporation (SBC), and worked in SBC's private banking division in Basel, Zurich, Monaco, New York City, and Hong Kong from 1984 until 1998.
After leaving UBS, Weil was hired as a consultant in 2010 by Reuss Private Group (Pfäffikon, Schwyz, Switzerland), eventually becoming a managing partner [REF].