summerlight_Team_Gerhard Hrebicek_Klaus Müllner
Klaus Müllner, KR DI. Dr. Gerhard Hrebicek


SummerLight has a highly experienced team of investment professionals with considerable and varied background in international markets, and with an increasing focus on the DE, A and IBERIA region. In addition the manager will employ experienced investment professionals operating in Vienna and Lisbon.

Dr. Gerhard Hrebicek, MBA


Partner & Chief Brand Officer

Gerhard studied Mechanical Engineering and Business  Administration at the Vienna University of Technology.  Gerhard earned his MBA degree in marketing and finance from  the University of Toronto and obtained his Ph.D at the University of Graz. He is founder, owner and President of the “European Brand Institute”. The group’s activities include brand and patent valuations. Gerhard served as the director of the development of the first ever published standards for brand valuation, the ONR 16800, published in 2006. He is the Austrian representative to the international ISO-committee TC 289 brand evaluation and the chairman of the ISO committee for brand and patent valuation in Austria. Furthermore he chairs the ISO Development Committee on “Brand Evaluation”. In addition Gerhard is a publicly appointed and sworn expert for brand valuation under Austrian jurisdiction and the President of iconvienna.

Klaus Müllner


Partner & Chief Investment Officer

Klaus held numerous management positions with multinational companies for over 20 years. Amongst others he was employed with IKEA for 10 years and with Adidas for 5 years. Klaus spent his working time in Austria, Sweden, Switzerland, Greece, Australia, Germany and Turkey. In 2002 Klaus established IKEA Turkey (Franchising) and became one of the founding shareholders. Klaus acted as a Managing Director and as a Member of the Board of IKEA Turkey until 2005 . He sold his shares in 2008. In 2007 he established a Partnership with Ashmore Group to form Ashmore Private Equity Turkey in Istanbul and was named the Managing Partner of a US 100 Million Fund.

In 2011 Klaus moved back to Austria where he acquired and managed one of  Austria´s Major Retailers: Klaus reshaped the distressed company and sold his shares end or 2016.