Thomas Leysen

Chairman at UMICORE

Net worth: 1 M $ as of 31/03/2026

65 year

65 connections

Finance

Commercial Services

Consumer Services

Profile

Thomas Leysen is a Belgian businessperson who has been at the helm of 14 different companies and holds the position of Chairman for Umicore, Chairman for European Friends of Versailles, Chairman at Mediahuis NV and Chairman at Mediahuis Partners NV. Mr. Leysen is also on the board of Koninklijke DSM NV, Independent News & Media Group Ltd., B. Metzler seel. Sohn & Co. KGaA and Rubens House Museum and Chairman at Fondation Roi Baudouin-Koning Boudewijnstichting, Chairman of Belgium-Japan Association & Chamber of Commerce, Chairman for Rubenianum Fund, Member of The Trilateral Commission, Member of European Round Table of Industrialists and Vice President at Vrienden van het Rubenshuis vzw. In his past career Mr. Leysen was Independent Chairman of KBC Group NV and Chairman at KBC Insurance NV (a subsidiary of KBC Group NV), Chairman at Agoria VZW, Chairman of VUMmedia, Chief Executive Officer of Transcor (Energy) Corp., Chairman of Federation of Enterprises in Belgium and Chairman of European Association of Metals. Mr. Leysen received a graduate degree from Katholieke Universiteit Leuven.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
DSM-FIRMENICH AG 0.01%	31/12/2024	20,035 ( 0.01% )	1 M $	31/03/2026

Thomas Leysen active positions

Companies	Position	Start
UMICORE	Chairman	19/11/2008
DSM-FIRMENICH	Chairman	01/02/2023
Firmenich SA Firmenich SA Household/Personal CareConsumer Non-Durables Manufactures and sells perfumes, flavor's and ingredients	Chairman	-
Mediacore NV Mediacore NV Packaged SoftwareTechnology Services Provides digital media services	Chief Executive Officer	-
Tradicor NV Tradicor NV Miscellaneous Commercial ServicesCommercial Services Provides business support services	Chief Executive Officer	08/01/1986
Museum Mayer van den Bergh	Chairman	-
Myriad Gardens Foundation Myriad Gardens Foundation Investment Trusts/Mutual FundsMiscellaneous Operates as a charitable foundation for botanical gardens	Corporate Officer/Principal	-
Belgium-Japan Association & Chamber of Commerce Belgium-Japan Association & Chamber of Commerce Miscellaneous Commercial ServicesCommercial Services Chamber of Commerce	Chairman	-
Mediahuis NV Mediahuis NV Publishing: NewspapersConsumer Services Provides national and regional news publishing services	Chairman	28/10/2013
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All active positions of Thomas Leysen

Former positions of Thomas Leysen

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See the detail of Thomas Leysen's experience

Training of Thomas Leysen

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of Thomas Leysen's experience

Connections

1st degree connections

1st degree companies

Male

Female

Members of the board

Executives

See the personal network

Linked companies

Private companies	38
Umicore SA Umicore SA Other Metals/MineralsNon-Energy Minerals Mines, refines, fabricates zinc, copper and other metals and manufactures metal-based advanced material solutions	Non-Energy Minerals
DSM BV DSM BV Chemicals: SpecialtyProcess Industries Manufactures animal and human nutrition & health products	Process Industries
KBC Bank & Verzekering Holding NV KBC Bank & Verzekering Holding NV Major BanksFinance Provides commercial banking services	Finance
UCB SA UCB SA Pharmaceuticals: MajorHealth Technology Manufactures biopharmaceutical products	Health Technology
Aurubis AG Aurubis AG Other Metals/MineralsNon-Energy Minerals Produces copper and precious metals	Non-Energy Minerals
Mediahuis Ireland Group Ltd. Mediahuis Ireland Group Ltd. Publishing: NewspapersConsumer Services Publishes and distributes newspapers and magazines	Consumer Services
Belgische Scheepvaartmaatschappij-Compagnie Maritime Belge NV Belgische Scheepvaartmaatschappij-Compagnie Maritime Belge NV Marine ShippingTransportation Operates as a shipping company that transports dry cargo, container vessels and chemical tankers	Transportation
KBC Insurance NV KBC Insurance NV Multi-Line InsuranceFinance Provides home, vehicle and family insurance services	Finance
Etex NV Etex NV Construction MaterialsNon-Energy Minerals Produces and markets building materials and systems	Non-Energy Minerals
VUMmedia VUMmedia Publishing: NewspapersConsumer Services Publishes newspapers	Consumer Services
Firmenich SA Firmenich SA Household/Personal CareConsumer Non-Durables Manufactures and sells perfumes, flavor's and ingredients	Consumer Non-Durables
B. Metzler seel. Sohn & Co. AG B. Metzler seel. Sohn & Co. AG Investment ManagersFinance Metzler Private Bank is an active, long-term manager which develops tailored investment strategies for clients’ private assets. The firm constructs portfolios based on fundamental analysis of assets and continuous risk management.	Finance
KBC Group NV KBC Group NV Regional BanksFinance Provides banking services	Finance
Katholieke Universiteit Leuven Katholieke Universiteit Leuven Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Mediahuis Partners NV Mediahuis Partners NV Publishing: Books/MagazinesConsumer Services Publishes and prints magazines	Consumer Services
The Trilateral Commission The Trilateral Commission Miscellaneous Commercial ServicesCommercial Services Operates business policy-oriented forum	Commercial Services
European Round Table of Industrialists
Transcor (Energy) Corp.
Copco NV Copco NV Financial ConglomeratesFinance Functions as an investment holding company	Finance
Tradicor NV Tradicor NV Miscellaneous Commercial ServicesCommercial Services Provides business support services	Commercial Services
Agoria VZW Agoria VZW Miscellaneous Commercial ServicesCommercial Services Operates employers and trade association	Commercial Services
Fondation Roi Baudouin-Koning Boudewijnstichting
Federation of Enterprises in Belgium Federation of Enterprises in Belgium Miscellaneous Commercial ServicesCommercial Services Represents companies in all the three regions of belgium	Commercial Services
Belgium-Japan Association & Chamber of Commerce Belgium-Japan Association & Chamber of Commerce Miscellaneous Commercial ServicesCommercial Services Chamber of Commerce	Commercial Services
Rubens House Museum
Museum Mayer van den Bergh
European Association of Metals European Association of Metals Other Metals/MineralsNon-Energy Minerals Produces non-ferrous metals and recyclers	Non-Energy Minerals
European Friends of Versailles
Rubenianum Fund
Vrienden van het Rubenshuis vzw
Business & Society Belgium VZW Business & Society Belgium VZW Miscellaneous Commercial ServicesCommercial Services Provides corporate social responsibility services	Commercial Services
Myriad Gardens Foundation Myriad Gardens Foundation Investment Trusts/Mutual FundsMiscellaneous Operates as a charitable foundation for botanical gardens	Miscellaneous
Mediahuis NV Mediahuis NV Publishing: NewspapersConsumer Services Provides national and regional news publishing services	Consumer Services
Mediacore NV Mediacore NV Packaged SoftwareTechnology Services Provides digital media services	Technology Services
World Wide Fund for Nature - Belgium World Wide Fund for Nature - Belgium Investment Trusts/Mutual FundsMiscellaneous Provides grant-making services	Miscellaneous
Corporate Governance Committee
Pluralis BV Pluralis BV Financial ConglomeratesFinance Invests in news companies	Finance
DSM-Firmenich AG DSM-Firmenich AG Household/Personal CareConsumer Non-Durables Manufactures and sells perfumes, beauty care, taste, ingredients, animal nutrition and health care products	Consumer Non-Durables