Executive Board

Juan Santamaría Cases (44) has been a member of the Group for many years. Most recently, he served as CEO of CIMIC from February 2020 until May 2022 and as Executive Chairman of CIMIC since November 2020. Since May 2022, he has been CEO of ACS, where he began his career in 2002 after studying civil engineering in Madrid. Santamaría is also Executive Chairman of HOCHTIEF subsidiary CIMIC in Australia. 

Photo Juan Santamaría Cases, Chairman of the Executive Board jpg (302.2 KB))

Born in 1966, Peter Sassenfeld has been a member of the Executive Board of HOCHTIEF Aktiengesellschaft in Essen since November 2011. As Chief Financial Officer (CFO) of the company, he is responsible for the corporate departments Mergers & Acquisitions, Controlling, Finance, Capital Markets Strategy/Investor Relations, Accounting and Tax, and Insurance. Since July 2015, Mr. Sassenfeld has also been Chief Financial Officer (CFO) of HOCHTIEF Solutions AG.

Mr. Sassenfeld studied business administration at Saarland University. After his studies, he first performed various management functions at Mannesmann in Germany and abroad. Later he managed the worldwide mergers and acquisitions activities at the Bayer Group in Leverkusen. From October 2005, Mr. Sassenfeld worked for the KraussMaffei Group in Munich and from February 2007 as CFO of KraussMaffei AG. In May 2010, he took over as CFO of Ferrostaal AG in Essen.

Photo Peter Sassenfeld, Member of the Executive Board, CFO jpg (220.4 KB))
CV Peter Sassenfeld (German) pdf (68.6 KB))
CV Peter Sassenfeld (English) pdf (68.1 KB))

Born in 1963, Nikolaus Graf von Matuschka has been a member of the Executive Board of HOCHTIEF Aktiengesellschaft in Essen since May 2014. He is responsible for the activities in the PPP, real estate, and facility management segments in the Europe division and is additionally responsible for the Corporate Department IT and hence for the issue of IT Security.

Nikolaus Graf von Matuschka has held various management positions at HOCHTIEF since 1998, most recently as a member of the HOCHTIEF Solutions Executive Board starting in February 2013. In May, 2014 he was appointed Chief Executive Officer (CEO) of HOCHTIEF Solutions. Previously, he was directly responsible for several segments and regions of HOCHTIEF’s European business. Graf von Matuschka has earned various qualifications in business administration, including two degrees from the University of Applied Sciences Utrecht.

Photo Nikolaus Graf von Matuschka, Member of the Executive Board jpg (226.0 KB))
CV Nikolaus Graf von Matuschka (German) pdf (69.0 KB))
CV Nikolaus Graf von Matuschka (English) pdf (65.9 KB))

Born in 1965, José Ignacio Legorburo has been a member of the Executive Board of HOCHTIEF Aktiengesellschaft in Essen since May 2014. On the Board, he holds the post of Chief Operating Officer (COO). He is responsible for the Group companies Infrastructure and Engineering in the Europe division.

In May 2014, Mr. Legorburo was appointed as a Member of the Executive Board and Chief Operating Officer (COO) of HOCHTIEF Solutions. He has over 25 years’ experience in the European construction sector. Most recently, he headed the ACS construction subsidiary Dragados as European Managing Director and expanded its business within Europe, with a particular focus on the UK. He was also responsible for other units at ACS, such as the building division of the construction company Vias. Previously, he worked as a civil engineer, project manager, and later Managing Director in the ACS Group from 1989. Mr. Legorburo studied civil engineering at the University of Madrid.

Photo José Ignacio Legorburo, Member of the Executive Board jpg (234.7 KB))
CV José Ignacio Legorburo (German) pdf (67.1 KB))
CV José Ignacio Legorburo (English) pdf (66.5 KB))

Born in 1970, Martina Steffen has been a Member of the Executive Board and Labor Director of HOCHTIEF Aktiengesellschaft in Essen since September 2021. She is responsible for Human Resources at the Group and as Chief Sustainability Officer for ESG matters.

Since 1989, Martina Steffen has worked in different positions for HOCHTIEF. Since August 2009, she has managed the Corporate Department Human Resources for HOCHTIEF Aktiengesellschaft and in May 2021 she also took on the task of Chief Sustainability Officer for the HOCHTIEF Group. Before that, she worked in various functions in IT and Human Resources at the HOCHTIEF Group. Martina Steffen is a qualified data processing expert and has a degree in Economics and IT (Administration and Economic Academy - VWA).

Photo Martina Steffen, Member of the Executive Board jpg (386.0 KB))
CV Martina Steffen (German) pdf (184.8 KB))
CV Martina Steffen (English) pdf (183.5 KB))