Sienna Investment Managers is a multi-expertise pan-European asset manager of the publicly traded investment holding company Groupe Bruxelles Lambert (GBL). With a team of around 300 professionals, Sienna IM operates in Paris, Luxembourg, London, Hamburg, Frankfurt, Madrid, Amsterdam and Seoul. Spanning listed and private assets (real estate, private debt, private equity, and venture capital), Sienna IM builds bespoke and innovative solutions for its clients, with purpose. As of end of 2023, the Group oversees €34 billion under management, of which nearly a half are classified articles 8 & 9.