Meet the Team

Hi, I’m Stefan!

Born in St. Veit an der Glan, Austria, I have built my career at the intersection of entrepreneurship, real estate, and strategic consulting. With a strong foundation in international business and real estate valuation, I have successfully combined analytical expertise with a hands-on approach to building and managing Start-Ups.

I’m fluent in German (native) and English (business proficient). 

Professional Highlights:

• Entrepreneur & Business Leader – Founder of Kulterer & Partner, PropTrek, and CasaNova. Broad experience in launching and developing successful businesses from the ground up – actively shaping strategy, structure, and growth both in Austria and Romania.
• Real Estate Expertise – Over 15 years of experience in real estate valuation, from premium residential and commercial properties to large-scale development projects.
• Certified & Court-Appointed – General sworn and court-certified expert, CIS ImmoZert-certified real estate appraiser, bringing credibility and precision to complex property valuations.
• Thought Leader & Educator – Lecturer at the Real Estate Valuation Academy, sharing insights on real estate investment strategies, valuation methodologies, and market trends.
• Network Builder & Connector – As identified in a recent psychometric test: I’m a Synagist – someone who brings the right people together, forms strong networks, and builds dynamic, purpose-driven organizations. This strength is reflected in my approach to team building, partnerships, and strategic collaboration.

At PropTrek, I combine entrepreneurial vision with real estate excellence, helping clients maximize their property investments and navigate complex market dynamics.

Hi, I’m Stefan!
From an early age, I was fascinated by technology—and that curiosity quickly turned into a career path grounded in both technical expertise and entrepreneurial drive.

I’m fluent in German, Romanian and English.

• Professional Highlights:
  Tech-Savvy Problem Solver – My journey began with a degree in Technical Informatics, where I developed a strong foundation in programming and engineering thinking—breaking down complex technical problems into smart, scalable solutions.
• Dual Expertise in Tech & Business – I deepened my knowledge through a Business Informatics degree, gaining insight into IT systems, system architecture, and performance optimization across diverse industries.
• Consultant & Software Developer – I started my career as an in-house consultant and developer, working with companies across multiple sectors. I specialized in identifying inefficiencies and automating workflows through tailored software solutions, significantly boosting operational productivity.
• Entrepreneur & Founder – Driven by demand for my solutions, I founded my own software company—developing custom applications in collaboration with industry leaders and sharpening my ability to deliver impactful, user-centered software.
• Tech Lead & Co-Founder at PropTrek – Today, I lead the technical vision at PropTrek, where I analyze core business processes and build cutting-edge software tools to solve real-world challenges in the real estate sector. Together with my co-founders, Stefan Kulterer and my sister Cristina—who lead the administrative and strategic side—we’re reshaping how real estate professionals work.

At PropTrek, I bring together my passion for technology and real estate—developing smart software solutions that help clients unlock the full potential of their properties and navigate the digital transformation of the real estate industry.

Hi, I’m Kate!
I blend a strong technical background with a love for design—making sure every product I touch is as intuitive as it is beautiful.

I’m fluent in English and German.

Professional Highlights:

• Data-Driven Designer – With a bachelor’s in Applied Mathematics and Computer Science, and a master’s in Computer Science from the University of Vienna, I bridge the gap between engineering logic and design creativity.
• UX & Product Analytics Expert – With over six years of experience in product analytics, I specialize in understanding user behavior and turning complex data into seamless, intuitive user experiences.
• AI & Machine Learning Enthusiast – I actively explore how artificial intelligence can enhance daily workflows and streamline the design process—bringing innovation and efficiency together.
• Creative Technologist – My analytical mindset, creative energy, and user-first approach allow me to design interfaces that are not only visually engaging, but also highly functional and easy to use.

At PropTrek, I’m responsible for creating intuitive, data-informed design solutions—crafting user experiences that are both elegant and effective, and driving the visual identity of our digital products.