Essay about Roles of Ppmo

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International Journal of Project Management 30 (2012) 608 – 620 The three roles of a project portfolio management office: Their impact on portfolio management execution and success
Barbara Natalie Unger a,⁎, Hans Georg Gemünden a , Monique Aubry


a b Technische Universität Berlin, Chair for Technology and Innovation Management, Straße des 17. Juni 135, Sekr. H71, 10623 Berlin, Germany
Université du Québec à Montréal, School of Business and Management, P.O. Box 8888 Downtown Station, Montreal, Quebec, Canada H3C 3P8
Received 27 July 2011; received in revised form 29 November 2011; accepted 26 January 2012

Project portfolio management
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Managing multiple sets of projects simultaneously is a challenge organisations have to master today in order to implement their strategic objectives (Artto and Dietrich, 2004; Dietrich and Lehtonen, 2005). Although the project management literature still focuses primarily on single projects, research in the last 5 years has increasingly acknowledged that multi-project issues have become critical for all organisations regardless of delivering projects to external or internal customers. Multiproject PMOs have emerged within these multi-project management environments as a major device to develop competence in project management, manage single project performance and coordinate multiple projects and actors. Project
⁎ Corresponding author. Tel.: +49 30 314 29534; fax: +49 30 314 26089.
E-mail addresses: (B.N. Unger), (H.G. Gemünden), (M. Aubry).
0263-7863/$36.00 © 2012 Elsevier Ltd. APM and IPMA. All rights reserved. doi:10.1016/j.ijproman.2012.01.015 portfolios that include multiple unrelated single projects and/ or various programmes are focus of this study.
Recently, studies have furthered general knowledge on
PMOs, including their description (Hobbs and Aubry, 2007) and their relationship to context and transition (Aubry et al.,
2010a, 2010b). Other studies have addressed PMOs' part in

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