What others think: Mr. Rettberg set up and administered a computer network that worked without interruptions. When problems arose, he was available at any hour and came immediately if necessary.       His friendly and communicative nature impressed us and led to a very pleasant work environment." Engineer Petra Harder Lecturer, University Wuppertal, Germany Login Username: Password: 11/30/2020	Contact 5,056 bytes, last modified on 7/19/2019 8:53:16 AM. Education 1,357 bytes, last modified on 9/10/2014 12:01:55 PM. Letters Of Recommendation 975 bytes, last modified on 8/21/2012 11:28:55 AM. Portfolio 21,112 bytes, last modified on 12/16/2009 12:25:54 PM. Portfolio 3d Art Design 17,360 bytes, last modified on 9/9/2012 7:18:33 AM. Program Expertise 3,414 bytes, last modified on 12/16/2009 12:27:14 PM. References 1,481 bytes, last modified on 6/20/2020 10:00:26 AM. Resume 7,417 bytes, last modified on 12/16/2009 12:27:34 PM. Work History 10,120 bytes, last modified on 10/7/2010 7:54:23 AM.	Phone: 303-475-9256 E-Mail: Click Here...
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