Architecture is more than building—it is an attitude. Marleen Viereck-Kals represents an architecture that combines clarity with emotion. As Managing Director of Viereck Architekten, she has shaped the architectural landscape across various sectors for many years.

Marleen Viereck-Kals
Architect · Managing Director · Strategic Designer
With a keen sense for space, proportion, and materiality, she develops projects that are not only functionally convincing but also create identity. Her designs are characterized by structural precision, aesthetic calm, and a clear architectural signature.
The combination of entrepreneurial thinking, technical expertise, and creative intuition makes her a defining personality in the architectural world.
Her approach:
A holistic planning process shaped by intuition and respect.
“I understand architecture as an attitude: it is reflected not only in form, but in every decision.”
Bernhard Viereck
Architect · Partner · Visionary
Bernhard Viereck is a partner at Viereck Architekten, based in Graz and Kindberg. He stands for an architecture that combines courage, clarity, expressiveness, as well as aesthetic and technical precision.
After studying architecture at TU Graz, he gained international experience in renowned architectural firms, including in Asia with AEDAS Architects. This period shaped his understanding of urban planning, scale, and cultural context, as well as his sense for efficient processes and innovative solutions.
Since joining the management team, he has brought strategic foresight and design consistency to the firm. His focus is on holistic planning—from urban concepts to architectural language and detailed execution.
Bernhard Viereck sees architecture as the interplay of function, economic efficiency, and identity. His projects are defined by structural clarity, sustainable planning, and precise material selection.
His approach:
To develop spaces that endure—functionally, aesthetically, and economically.
“For me, architecture is not only form and aesthetics, but a dialogue between place, user, and time.”

Ewald Viereck
Architect · Founder · Visionary
Ewald Viereck is the founder of Viereck Architekten ZT-GmbH and one of the defining architectural figures in Styria. By establishing the firm in the mid-1980s, he laid the foundation for a company distinguished by design clarity, technical expertise, and entrepreneurial stability.
His architecture is characterized by structural order, functional precision, and a clear understanding of form. From the very beginning, he pursued an innovative planning approach that integrates architecture, interior design, and technical disciplines.
Under his leadership, the firm continuously evolved and established itself as a reliable partner for complex building projects across different scales—from residential and commercial buildings to highly specialized developments.
With foresight and an innovative spirit, Ewald Viereck not only created a successful architectural firm but also laid the foundation for its continuation into the next generation.
His approach:
Architecture with substance — clear, economical, and sustainably valuable.


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