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Ralph van Dellen has extensive experience in human resources and personnel management, currently serving as Bereichsleiter Personal & Akademie at Sprint Sanierung GmbH since October 1999, where also holds the position of Leitung Personal. Prior roles include Personalsachbearbeiter at Mannesmann o.tel.o GmbH from 1996 to 1999 and at Toys"R"Us from 1993 to 1996. Ralph van Dellen's education includes a Diploma in Business Administration from St. Galler Business School (2010-2012), a qualification as a Personalfachkaufmann from IHK Köln (1995-1997), and training as an Industriekaufmann from Madaus AG (1991-1993).