Markus Walter Sieger

Markus Walter Sieger

Chairman at GERRESHEIMER AG

Net worth: 564 655 $ as of 2026-08-30

61 year
Health Technology
Finance
Producer Manufacturing

Profile

Mr. Markus Walter Sieger is a Chairman-Supervisory Board at Gerresheimer AG, a Lead Independent Director at Rafael Holdings, Inc., a Chairman at Bioceros Holding BV, a Principal at Consiglio AG, a Principal at Sieger & Sieger Immobilien GmbH, a Managing Partner at Fincoord Finance Coordinators Ltd., a Chairman at Iscoord AG and a Vice President at Medicines For Europe.
He is on the Board of Directors at Rafael Holdings, Inc., Reaction Capital, Fundacja Digital Poland, Polpharma Group BV, Akrikhin Pharmaceuticals OAO, BSP Pharmaceuticals SpA, Proceq SA, Vektor AG and Nutricia Polska Sp zoo.
Mr. Sieger was previously employed as a Chairman by Cyclo Therapeutics, Inc., a Chairman-Management Board by Polpharma SA, an Independent Director by Central European Distribution Corp., a Board Member by Intuneinvestor.Com, a Member-Supervisory Board by Medana Pharma SA, a Member-Supervisory Board by Polfa Warszawa SA, and a Member-Supervisory Board by Zaklady Tluszczowe Kruszwica SA. He also served on the board at Grupa Onet SA and Mageba Holding AG.
He received his undergraduate degree from HWZ Hochschule für Wirtschaft Zürich.

Known holdings in public companies

CompanyDateNumber of sharesValuationValuation date
2026-01-27 219,710 ( 0.43% ) 564 655 $ 2026-08-30

Markus Walter Sieger active positions

CompaniesPositionStart
RAFAEL HOLDINGS, INC. Director/Board Member 2025-03-24
GERRESHEIMER AG Chairman 2026-08-31
Director/Board Member 2015-06-29
Corporate Officer/Principal -
Fundacja Digital Poland
Director/Board Member 2016-12-31
Chairman 2013-05-31
Director/Board Member 2020-06-30
Director/Board Member 2025-12-31
Sieger & Sieger Immobilien GmbH
Corporate Officer/Principal 2012-12-31
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Former positions of Markus Walter Sieger

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See the detail of Markus Walter Sieger's experience

Training of Markus Walter Sieger

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

Connections

69

1st degree connections

26

1st degree companies

Male

Female

Members of the board

Executives

Linked companies

Private companies26

Health Technology

Consumer Non-Durables

Technology Services

Producer Manufacturing

Health Technology

Health Technology

Process Industries

Fincoord Finance Coordinators Ltd.

Process Industries

Distribution Services

Electronic Technology

Producer Manufacturing

Consumer Services

Health Technology

Health Technology

Iscoord AG

Consiglio AG

Commercial Services

Finance

Finance

Commercial Services

Health Services

Sieger & Sieger Immobilien GmbH

Fundacja Digital Poland

Finance

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