Supervisory Board
Otto Rainer
Chairman of the Supervisory Board
As Managing Director and majority shareholder of Tennant CEE Ltd., MHC OOO, and Tennant Bulgaria, he was responsible for the Austrian business as well as the branches in St. Petersburg, Moscow, and Sofia. From 2011 to 2024, he also served as CEO and majority shareholder of M&F Management and Financing Ltd., through which he held his private investments.

Philipp Mayerhofer, Mag. (FH)
Deputy Chairman of the Supervisory Board
Following his studies at the University of Applied Sciences Wiener Neustadt and Swinburne University of Technology in Melbourne, he gained professional experience at renowned financial institutions including Bankhaus Spängler, Goldman Sachs, Credit Suisse, and Erste Bank. Today, he is the founder and Managing Director of Smart Family Office GmbH and FLATIRON Holding GmbH, and is active as an entrepreneur and investor. Furthermore, he serves as a board member at Authentic Vision and MX Healthcare GmbH (vara), as a lecturer at the Institute for Economic Promotion of the Austrian Economic Chambers, and as Chairman of the Foreign Trade Division of the Salzburg Economic Chamber.

Sandra Grubinger, Mag.
Member of the Supervisory Board
After completing her studies in social and economic sciences with a focus on marketing and tourism and service management at the University of Innsbruck, as well as international study periods at the Université Paris-Dauphine and the London School of Economics, Sandra Maren Grubinger gained extensive professional experience in international marketing and sales management. Among other roles, she spent several years in senior marketing positions at telegate AG in Munich, where she was responsible for brand and marketing strategy across several European markets. She also worked as a marketing consultant for UKO Media GmbH and UKO Technik GmbH. Since 2014, she has been a shareholder and authorized signatory of Grubinger Holding GmbH, focusing on real estate development, property management, and tourism. She has also served as Managing Director of Hermitage Residence GmbH since 2017.

Dr. Daniel Zech
Member of the Supervisory Board
The entrepreneur has over 15 years of experience in private equity, venture capital, corporate development, and strategic consulting. As the founder and managing director of Zcale Capital GmbH, he specializes in direct investments and portfolio management for family offices. Previously, he served as Vice President, Investment Director, and authorized signatory at SevenVentures Austria, the investment arm of ProSiebenSat.1 Media SE. He also has many years of experience as a founder and CEO of digital business models.

IR Contact
Moritz Unterkofler, CEO
Maximilian Huber, CFO
ir.service@uko-microshops.com