PORR Deutschland
Nina-Maria Witt is a highly experienced professional in the fields of Lean Management and project improvement, currently serving as Senior LEAN Managerin at PORR Deutschland since January 2024. Prior roles include Lean Manager at pde Integrale Planung and Project Improvement Manager at STRABAG, where Nina-Maria specialized in Lean Design, Lean Construction, and collaborative planning. With significant expertise in independent site and project management, Nina-Maria has overseen substantial projects, including the construction of 22 townhouses valued at 4 million euros. Nina-Maria holds a Master of Science and a Bachelor of Science in Industrial Engineering and Management from Technische Universität Berlin, complemented by foundational experience at Bureau Veritas Construction Services GmbH and as a student assistant at Technische Universität Berlin.
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PORR Deutschland
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As a technology leader in planning and construction, PORR meets challenging individual customer requirements – safely and economically. Its extensive expertise allows it to implement customised solutions. It has its own teams of experts in all key trades along the entire construction value chain and unites comprehensive know-how under one roof: from building construction and specialist civil engineering, to civil engineering and infrastructure construction, through to steel construction and environmental engineering. Its service portfolio extends from general planning to turnkey implementation. PORR designs and builds safely and economically in accordance with the PORR principles: Trustworthiness, reliability, a customer and team-oriented approach, and cooperation in a spirit of partnership inform its every activity. As a leading construction company, it is playing an active role in shaping the transition to climate neutrality. Building on the vast expertise within the company and in response to the challenges of the future, PORR has developed a “Green and Lean” strategy: The company is pushing ahead with climate-neutral construction projects, smart technologies, and partnership models for seamless cooperation. It uses LEAN approaches in design and construction to efficiently manage projects in line with the latest standards. After all, intelligent building doesn't just bring people together, it also shapes our future. PORR GmbH & Co. KGaA employs around 2,300 people in Germany. It is part of the listed PORR AG with a workforce of around 20,000 and a production output of approximately 5.7 billion euros in 2021. With its headquarters in Munich, various subsidiaries and a total of more than 30 locations, PORR maintains a strong presence throughout Germany.