Sonja Rossteuscher
Director of Finance/CFO at ROCK TECH LITHIUM INC.
Net worth: - $ as of 2024-03-30
Profile
Sonja Rossteuscher is currently the Managing Director at Altira ADC Management GmbH since 2009 and the Chief Financial Officer at Rock Tech Lithium, Inc. since 2022.
Previously, she held positions such as Managing Director at Tristone Flowtech Holding SAS, Managing Director at ADC African Development Corp.
from 2011 to 2011, Co-Managing Director & Chief Financial Officer at TriStone Flowtech Germany GmbH, and Chief Financial Officer at ADC African Development Corp.
AG.
She also served as the Chief Financial Officer at ADC African Development Corp.
from 2013 to 2015.
Ms. Rossteuscher obtained an undergraduate degree from the University of British Columbia in 1999 and an MBA from the University of St. Gallen in 2005.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
ROCK TECH LITHIUM INC.
-.--% | 2022-12-14 | 0 ( -.--% ) | - $ | 2024-03-30 |
Sonja Rossteuscher active positions
| Companies | Position | Start |
|---|---|---|
| ROCK TECH LITHIUM INC. | Director of Finance/CFO | 2022-10-31 |
Altira ADC Management GmbH
 Altira ADC Management GmbH Financial ConglomeratesFinance Part of Atlas Mara Ltd., Altira ADC Management GmbH is a German company that provides investment services. The company is based in Frankfurt, Germany. Sonja Rossteuscher has been the CEO of the private company since 2009. Altira ADC Management was acquired by ADC African Development Corp. AG from Heliad AG on November 30, 2012 for $5.58 million. | Chief Executive Officer | 2011-05-30 |
Former positions of Sonja Rossteuscher
| Companies | Position | End |
|---|---|---|
ADC African Development Corp.
 ADC African Development Corp. Investment ManagersFinance African Development Corp. GmbH & Co. invests in private companies in Sub-Saharan Africa, above all in the sectors of Banking, Financial Services, IT and Natural Resources. It follows long-term investment approach, practicing active hands on management of its portfolio companies so as to develop them in accordance with international best practices and build them into market leaders in their sector. | Director of Finance/CFO | 2015-04-20 |
Tristone Flowtech Holding SAS
 Tristone Flowtech Holding SAS Miscellaneous ManufacturingProducer Manufacturing Tristone Flowtech Holding SAS engages in designing, engineering, and manufacturing flow technology systems. It offers engineering engine and battery cooling, air charge, and air intake products. The company was founded on May 21, 2010 and is headquartered in Carquefou, France. | Corporate Officer/Principal | 2012-09-04 |
ADC African Development Corp.
ADC African Development Corp. Investment ManagersFinance African Development Corp. GmbH & Co. invests in private companies in Sub-Saharan Africa, above all in the sectors of Banking, Financial Services, IT and Natural Resources. It follows long-term investment approach, practicing active hands on management of its portfolio companies so as to develop them in accordance with international best practices and build them into market leaders in their sector. | President | 2010-12-31 |
TriStone Flowtech Germany GmbH
 TriStone Flowtech Germany GmbH Containers/PackagingProcess Industries TriStone Flowtech Germany GmbH engages in the manufacture and distribution of rubber and plastics products. The company is headquartered in Mannheim, Germany. | Chief Executive Officer | - |
| ADC AFRICAN DEVELOPMENT CORPORATION AG | Director of Finance/CFO | - |
Training of Sonja Rossteuscher
| University of British Columbia | Undergraduate Degree |
| University of St. Gallen | Masters Business Admin |
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Listed companies | 1 |
|---|---|
| ROCK TECH LITHIUM INC. | Process Industries |
| Private companies | 5 |
|---|---|
ADC African Development Corp. AG
 ADC African Development Corp. AG Investment ManagersFinance ADC African Development Corp. AG provides finance and investment services. It specializes in private equity, financial services, banking, sub-saharan Africa, payment services, wholesale banking, retail banking, merchant banking and financial technology. The company was founded by Christian Angermayer and Dirk Harbecke on October 10, 2005 and is headquartered in Frankfurt, Germany. | Finance |
Altira ADC Management GmbH
Altira ADC Management GmbH Financial ConglomeratesFinance Part of Atlas Mara Ltd., Altira ADC Management GmbH is a German company that provides investment services. The company is based in Frankfurt, Germany. Sonja Rossteuscher has been the CEO of the private company since 2009. Altira ADC Management was acquired by ADC African Development Corp. AG from Heliad AG on November 30, 2012 for $5.58 million. | Finance |
TriStone Flowtech Germany GmbH
TriStone Flowtech Germany GmbH Containers/PackagingProcess Industries TriStone Flowtech Germany GmbH engages in the manufacture and distribution of rubber and plastics products. The company is headquartered in Mannheim, Germany. | Process Industries |
Tristone Flowtech Holding SAS
Tristone Flowtech Holding SAS Miscellaneous ManufacturingProducer Manufacturing Tristone Flowtech Holding SAS engages in designing, engineering, and manufacturing flow technology systems. It offers engineering engine and battery cooling, air charge, and air intake products. The company was founded on May 21, 2010 and is headquartered in Carquefou, France. | Producer Manufacturing |
ADC African Development Corp.
ADC African Development Corp. Investment ManagersFinance African Development Corp. GmbH & Co. invests in private companies in Sub-Saharan Africa, above all in the sectors of Banking, Financial Services, IT and Natural Resources. It follows long-term investment approach, practicing active hands on management of its portfolio companies so as to develop them in accordance with international best practices and build them into market leaders in their sector. | Finance |
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