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Hannes Gsellmann


Hannes Gsellmann has a degree in business economics. At the beginning of his career, he was an HR manager. In the following 25 years he has built a career-track in HR-related management consulting, most of them as a co-entrepreneur. After two years as Operations Country Head in the pharmaceutical industry, he is now responsible for the Executive-Search and Selection-Team of Iventa in Vienna. Executive search projects are in good hands with him. Likewise, management audits and diagnostic topics as well as challenges around strategy and leadership.

Foto von Iventa Mitarbeiter Robert Koenes

Robert Koenes


Robert Koenes is senior consultant and team leader of Iventa HR Executive Search, and managing director of Iventa International Management Consulting GmbH. His focus lies on management of the HR consulting team Vienna and International, and in international business development as well as in search & selection of first and second level executive positions. Robert Koenes looks back on 20 years of work experience in IT for German and American corporations, spending 13 of those years as managing director domestically and internationally (Austria, Czech Republic, Italy, Switzerland).

Annemarie Kriegs-Au


Annemarie Kriegs-Au has many years of experience in sales planning and strategy and is responsible for Iventas Sales and Key Account Management. As former sales manager for StepStone, Sodexo and Manpower in Austria she bases her daily work on 15 years of experience within the HR sector. Working in a dynamic market environment it is her focus to establish and strengthen long-term and sustainable client relationships for Iventa in its role as leading management consulting company in Austria. For her, the key to success are the many experienced and specialised colleagues from all Iventa units who meet the daily challenges of our clients with profound consulting and a strong will to establish the right solution for our partners.

Silke Kurtz


Silke Kurtz is responsible for the Employer Branding & Development division. Her customers benefit from her degree in economic counselling from FH Wiener Neustadt with a focus on management, organisation, HR consulting and market communication, sales, as well as her certificate for Employer Brand Leadership from an international university. Her years of practical experience in this area strengthens her expertise – this is the basis for creating a successful employer brand and for solutions to strategic and operative challenges of a dynamic job market.

Eva Leeb-Valentin


Eva Leeb-Valentin has years of experience in HR and organisation. After a change of jobs from HR consulting at Iventa over to the organisational side, she is responsible for the internal competency centres Accounting & Controlling, staff, IT, and organisation. Apart from that, she is a member of the management board of Iventa Group Holding GmbH. „We ensure smooth internal processes and control of a healthy company together with a team of specialists.“

Martin Mayer 2022

Martin Mayer


Martin Mayer studied business administration at the Vienna University of Economics and Business and following this, worked in international business consulting for a number of years, and was part of the board of management of a large Austrian bank. In 2000, he entered the company founded by his mother and took over the role of managing director and developed Iventa into a market-leading human management consulting company in Austria. In the 15 years since, he was significantly involved in the design of the HR consulting industry in Austria, and also works for a number of Austrian and international business advisory boards.

Personal assistant: Claudia Raimann

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The Human Management Group.