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Christine Pleyl
Christine Pleyl
Pleylgrafik

Petra Wolkenstein advised me very professionally over a long period. She guided me unerringly and competently in the development of my marketing…

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Thomas Teichmann
Thomas Teichmann
SCALUE

Hi Petra, thank you for your support during the Vienna Startup Package program in 2019. It was a pleasure to learn from…

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Manuela Mudrinić
Manuela Mudrinić
Njuškalo | Styria Media Croatia

Michael really understands how an organization ticks, what it needs and what it can handle. The entire management team and, subsequently our…

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