Corporate Governance
David Spratt
President of the Board of Directors since 4 March 2025 I Member of the Nomination & Compensation Committee since 4 March 2025 I Nationality: Irish and United Kingdom
David Spratt, born 1973, is the CEO of Constantia Flexibles and a member of the Group Executive Committee since 2025. He is an Irish and United Kingdom citizen residing in Switzerland since 2010. Before Constantia Flexibles, Mr. Spratt was the CEO of Ardagh Metal Packaging Europe (2021-2024) and a member of the global executive team of the NYSE listed company. Mr. Spratt spent 20 years with Amcor (NYSE: AMCR, S&P 500) in various senior business leadership roles across numerous Business units, Strategy and M&A. Prior to industry roles, Mr. Spratt worked at KPMG London in corporate finance. Mr. Spratt holds a law degree (LLB Hons), an EMBA from INSEAD and a Board Directors diploma from IMD, and other professional qualifications.
Daniel Winkler
Member of the Board of Directors since 4 March 2025 I Member of the Nomination & Compensation Committee since 4 March 2025 I Nationality: Austrian
Daniel J. Winkler, born 1974, is a member of the Group Executive Committee since 2020 and currently serving as EVP Aluminum Division and Group Sustainability at Constantia Flexibles. In addition, he is holding Board Membership at SB Packagings Constantia JV, India and serving as Chairman of the Supervisory Board for Constantia Teich GmbH. Mr. Winkler is an Austrian citizen residing in Austria. After earning a master’s degree (Magister) at Vienna University of Economics and Business Administration Vienna, he held several international leadership roles, working for Siemens AG (NYSE, DAX) in Automation & Industrial Solutions. Having joined Greiner Group in 2010, Daniel Winkler works as a packaging industry executive for over 14 years. He joined Constantia Flexibles in 2020 and held EVP roles in Sales, Strategy & Business Improvement.
Thomas Glossner
Member of the Board of Directors since 4 March 2025 I Nationality: German and Swiss
Thomas Glossner, born 1974, is a member of the Group Executive Committee since 2022 and serving as EVP Procurement (Chief Procurement Officer) at Constantia Flexibles. He is a German and Swiss citizen residing in Switzerland since 2006. Prior to Constantia Flexibles, Mr. Glossner held global leadership roles with Amcor (NYSE: AMCR, S&P 500) and worked for 10 years with leading management consultancies. Specialized in strategy & operations he advised clients in various industries. Mr. Glossner holds a M.Sc. / MBA degree from Krannert Graduate School of Management (Purdue University) with a first degree (Diplom-Betriebswirt) in business and economics in Germany.
