![Jan Ulli Seibel](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Jan Ulli Seibel
Chief Executive Officer at
JL Goslar GmbH
Net worth: 58 M $ as of 2026-08-30
Profile
Jan Ulli Seibel is currently the Co-Managing Director at JL Goslar GmbH.
Previously, he served as the Chief Executive Officer at Alzchem Group AG from 2017 to 2019, Managing Director at GOLF HOUSE Direktversand GmbH in 2006, Managing Director at Weber Benteli AG in 2007, and Managing Director at AlzChem Trostberg GmbH from 2009 to 2011.
He also worked as the Vice President-Operations at Gigaset AG.
Mr. Seibel received his undergraduate degree from the University of Karlsruhe and another undergraduate degree from the Royal Institute of Technology.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2025-01-19 | 305,290 ( 3% ) | 58 M $ | 2026-08-30 |
Jan Ulli Seibel active positions
| Companies | Position | Start |
|---|---|---|
JL Goslar GmbH
 JL Goslar GmbH Other Metals/MineralsNon-Energy Minerals Supplies semi-finished and finished products made from non-ferrous metals, in particular lead, tin and their alloys | Chief Executive Officer | - |
Former positions of Jan Ulli Seibel
| Companies | Position | End |
|---|---|---|
| ALZCHEM GROUP AG | Chief Executive Officer | 2019-06-30 |
AlzChem Trostberg GmbH
 AlzChem Trostberg GmbH Chemicals: Major DiversifiedProcess Industries Manufactures and markets specialty chemicals | Chief Executive Officer | 2010-12-31 |
Weber Benteli AG
 Weber Benteli AG Commercial Printing/FormsCommercial Services Provides printing services | Chief Executive Officer | 2007-01-01 |
GOLF HOUSE Direktversand GmbH
 GOLF HOUSE Direktversand GmbH Catalog/Specialty DistributionRetail Trade Operates as an online retailer of golfing goods | Corporate Officer/Principal | 2006-01-01 |
| GIGASET AG | Chief Operating Officer | - |
Training of Jan Ulli Seibel
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
11
1st degree connections
8
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 8 |
|---|---|
Gigaset AG
 Gigaset AG Telecommunications EquipmentElectronic Technology Manufactures and distributes corded and cordless telephones & smartphones | Electronic Technology |
GOLF HOUSE Direktversand GmbH
GOLF HOUSE Direktversand GmbH Catalog/Specialty DistributionRetail Trade Operates as an online retailer of golfing goods | Retail Trade |
University of Karlsruhe
 University of Karlsruhe Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Royal Institute of Technology
 Royal Institute of Technology Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Weber Benteli AG
Weber Benteli AG Commercial Printing/FormsCommercial Services Provides printing services | Commercial Services |
AlzChem Trostberg GmbH
AlzChem Trostberg GmbH Chemicals: Major DiversifiedProcess Industries Manufactures and markets specialty chemicals | Process Industries |
JL Goslar GmbH
JL Goslar GmbH Other Metals/MineralsNon-Energy Minerals Supplies semi-finished and finished products made from non-ferrous metals, in particular lead, tin and their alloys | Non-Energy Minerals |
Alzchem Group AG
 Alzchem Group AG Chemicals: Major DiversifiedProcess Industries Manufactures and distributes chemical products | Process Industries |
- Stock Market
- Insiders
- Jan Ulli Seibel
