With a doctorate in Law, Dr. Volckens initially has been in investment banking and worked then as a lawyer, tax consultant and specialist lawyer for tax law. From 2008 to 2011, he was a member of the management board of Hannover Leasing GmbH & Co. KG; from there, he transferred to IC Immobilien Holding AG and managed its refinancing. From October 2011 to April 2014, Dr. Volckens was Chief Financial Officer of IVG Immobilien AG. As of September 2016, he took over management of the finance division of CA Immobilien Anlagen AG (CFO), since 2018, he is also responsible for digitalisation.
Dr. Volckens is i.a. Chairman of the tax committee of the German Property Federation (ZIA e.V.); Head of the Working Group Restructuring of the Initiative Corporate Governance der deutschen Immobilienwirtschaft e.V. and lecturer for real estate tax law at the University of Regensburg.