[4][5] In 2003 he was part of the executive board of Booz Allen Hamilton and in 2004 he took over the position as a partner at the strategic consultancy Roland Berger.
[11] The think:act series was awarded 2005, 2006[12] and 2007[13] with the BCP-Award in the category Corporate Publishing for "Financial Services / Real Estate / Consulting".
[14] In 2011 the think:act publications received the Astrid Awards of MerComm Inc.[15][16] Torsten Oltmanns is head of the Business Line "Stakeholder Management and Digital Transformation" as well as Chairman of Global Marketing at Roland Berger GmbH.
He works at the interface between business, politics and media, supporting companies, governments and NGOs in all kinds of transformation programs, wage negotiations and digital change.
[21] He is also co-founder and supporter of the 2011 founded registered association "investigate" which provides financial resources for journalists to realize complex researches.
[24] As a member of the delegation of Roland Berger Strategy Consultants, a Strategic Partner of the World Economic Forum, Oltmanns has participated in the WEF Annual Meeting in Davos-Klosters.