ドレスナー銀行
From 1989 to 1996, Blessing worked for McKinsey &amp; Company where he became Partner two years prior to his leaving the company. From 1997 to 2000, he held the position of joint Head Private Clients at Dresdner Bank. From 2000 to 2001, he was Chief Executive Officer of Advance Bank, a subsidiary of Dresdner Bank AG. In July 2003 Advance Bank was dissolved as a stock corporation and legally integrated into Dresdner Bank.