Profile
John J.
Zei served as President & CEO of Knowles Electronics Holdings, Inc., President & CEO of Sivantos, Inc., President & CEO of Knowles Electronics LLC, Director of KoolSpan, Inc., Non-Executive Director of Sonova Holding AG, and President of Rexton, Inc. Zei holds an MBA from The University of Chicago and undergraduate and graduate degrees from Loyola University of Chicago.
Former positions of John J. Zei
| Companies | Position | End |
|---|---|---|
| SONOVA HOLDING AG | Director/Board Member | 13/06/2016 |
Knowles Electronics LLC
 Knowles Electronics LLC Medical SpecialtiesHealth Technology Knowles Electronics LLC designs and manufactures acoustic components. It offers a range of micro-acoustic, electro-mechanical and related technology platforms to support the business of their customers. The company was founded in 1946 and is headquartered in Itasca, IL. | President | 31/12/2008 |
Sivantos, Inc.
 Sivantos, Inc. Medical SpecialtiesHealth Technology Sivantos, Inc. manufactures hearing instruments. The firm offers hearing aids, hearing instruments technologies, digital hearing instruments, binaural hearing systems, digital aids, accessories, and wireless enhancement for hearing instruments. The company was founded in 1878 and is headquartered in Piscataway, NJ. | President | 01/01/1999 |
KoolSpan, Inc.
 KoolSpan, Inc. Information Technology ServicesTechnology Services KoolSpan, Inc. develops hardware-based encryption and security applications. It protects data and voice communications over network-connected devices and the foundation for KoolSpan encryption is TrustChip, a hardware-based security platform delivered through a secure microSD processor. The company was founded by Jeffrey Mose, Rick Gutowski and Anthony C. Fascenda in 2003 and is headquartered in Bethesda, MD. | Director/Board Member | - |
Rexton, Inc.
 Rexton, Inc. Medical SpecialtiesHealth Technology Rexton, Inc. is an American medical devices company that specializes in providing hearing aid technology services. | President | - |
Training of John J. Zei
| The University of Chicago | Masters Business Admin |
| Loyola University of Chicago | Graduate Degree |
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Listed companies | 1 |
|---|---|
| SONOVA HOLDING AG | Health Technology |
| Private companies | 5 |
|---|---|
Knowles Electronics Holdings, Inc.
 Knowles Electronics Holdings, Inc. Medical SpecialtiesHealth Technology Knowles Electronics Holdings, Inc. offers a range of micro-acoustic, electro-mechanical and related technology platforms. The firm serves military, medical and security industries. The company was founded in 1946 and is headquartered in Itasca, IL. | Health Technology |
KoolSpan, Inc.
KoolSpan, Inc. Information Technology ServicesTechnology Services KoolSpan, Inc. develops hardware-based encryption and security applications. It protects data and voice communications over network-connected devices and the foundation for KoolSpan encryption is TrustChip, a hardware-based security platform delivered through a secure microSD processor. The company was founded by Jeffrey Mose, Rick Gutowski and Anthony C. Fascenda in 2003 and is headquartered in Bethesda, MD. | Technology Services |
Sivantos, Inc.
Sivantos, Inc. Medical SpecialtiesHealth Technology Sivantos, Inc. manufactures hearing instruments. The firm offers hearing aids, hearing instruments technologies, digital hearing instruments, binaural hearing systems, digital aids, accessories, and wireless enhancement for hearing instruments. The company was founded in 1878 and is headquartered in Piscataway, NJ. | Health Technology |
Knowles Electronics LLC
Knowles Electronics LLC Medical SpecialtiesHealth Technology Knowles Electronics LLC designs and manufactures acoustic components. It offers a range of micro-acoustic, electro-mechanical and related technology platforms to support the business of their customers. The company was founded in 1946 and is headquartered in Itasca, IL. | Health Technology |
Rexton, Inc.
Rexton, Inc. Medical SpecialtiesHealth Technology Rexton, Inc. is an American medical devices company that specializes in providing hearing aid technology services. | Health Technology |
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