management body & authorised representatives

Franz Stiller

managing partner

Leo Hohla

managing partner

Berndt Kretschmer

authorised representative, real estate sales

Helmuth Kollmann

authorised representative, head of facility management, managing director IRB

Albert Holzner

CEO, head of finance

Günther Radwanovsky

real estate sales

Andrea Stiller

real estate sales, marketing

team sales

Evelyn Grill

management assistant, head of HR

Daniela Planitzer

sales assistant

Ana Radulovic

sales assistant

team facility management

Sebastian Widhalm

facility management

Georg Stiller

facility management, authorised representative IRB

Christine Seifert

technic assistant

team technic

team finance

Managing Directors

managing partner

    


managing partner

    


CEO, head of finance

    


authorised representative, head of facility management, CEO IRB

    

authorised representative, real estate sales

    


management assistant, head of HR

    

Real Estate Sales & Rental


managing partner

    


real estate sales

    

authorised representative, real estate sales

    


real estate sales

    


real estate sales, marketing

    

Team Assistants


sales assistant

    


sales assistant

    

Facility Management


authorised representative, head of facility management, CEO IRB

    


facility management, apprentice trainer

    


facility management, authorised representative IRB

    


facility management

    


facility management

    

Facility Management Assistants


facility management assistant

    


facility management assistant

    

Susanne Höfelsauer, B.A.

facility management assistant

    


facility management assistant

    


facility management assistant

    


facility management trainee

    


facility management assistant

    

Accounting & Finance


accounting

    


accounting

    


payment transactions

    


payment transactions, IT-coordination

    


consultant

    


accounting

    


accounting

    


payment transactions

    

Technic


technic

    


technic

    


technic

    


technic assistant

    

Managing Directors

managing partner

    


managing partner

    


CEO, head of finance

    


authorised representative, head of facility management, CEO IRB

    

authorised representative, real estate sales

    


management assistant, head of HR

    

Real Estate Sales & Rental


managing partner

    


real estate sales

    

authorised representative, real estate sales

    


real estate sales, project manager

    


real estate sales, marketing

    

Team Assistants


sales assistant

    


sales assistant

    

Facility Management


authorised representative, head of facility management, CEO IRB

    

Susanne Höfelsauer, B.A.

facility management

    


facility management

    


facility management, authorised representative IRB

    


facility management

    


facility management

    

Facility Management Assistants


facility management assistant

    


facility management assistant

    


facility management assistant

    


facility management assistant

    


facility management trainee

    


facility management assistant

    

Accounting & Finance


accounting

    


accounting

    


payment transactions

    


payment transactions, IT-coordination

    


consultant

    


accounting

    


accounting

    


payment transactions

    

Technic


technic

    


technic

    


technic

    


technic assistant

    


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