![Guillermo Marmol](https://cdn.zonebourse.com/static/resize/768/576//static/images/insiders/unknown.png)
Guillermo Marmol
Direktor/Vorstandsmitglied bei FOOT LOCKER, INC.
Vermögen: 2 Mio $ am 31.05.2024
Aktive Beziehungen
Name | Geschlecht | Alter | Unternehmensverbindungen | Zusammenarbeit |
---|---|---|---|---|
Shahzad Bashir | M | 67 |
Morae Global Corp.
![]() Morae Global Corp. Miscellaneous Commercial ServicesCommercial Services Morae Global Corp. provides legal and compliance solutions. It offers advisory and managed, dispute resolution and legal hold management services. The company is headquartered in Houston, TX. | - |
Dona Young | F | 70 | 23 Jahre | |
Michael Baughn | M | 43 | 9 Jahre | |
Philip C. Bird | M | - |
Viron Therapeutics Holdings, Inc.
![]() Viron Therapeutics Holdings, Inc. BiotechnologyHealth Technology Viron Therapeutics Holdings, Inc. develops anti-viral therapeutics to identify small molecules to treat diseases. The company is based in Boston, MA. The company was founded by Bhanu P. Jena, Daniel A. Walz. The CEO is Guillermo G. Marmol. | - |
Mary Dillon | F | 62 | 2 Jahre | |
Nicolaus Henke | M | - |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | 33 Jahre |
David Court | M | 67 |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | 41 Jahre |
Steven Oakland | M | 63 | 10 Jahre | |
Kimberly Underhill | F | 59 | 8 Jahre | |
Daniel A. Walz | M | - |
Viron Therapeutics Holdings, Inc.
![]() Viron Therapeutics Holdings, Inc. BiotechnologyHealth Technology Viron Therapeutics Holdings, Inc. develops anti-viral therapeutics to identify small molecules to treat diseases. The company is based in Boston, MA. The company was founded by Bhanu P. Jena, Daniel A. Walz. The CEO is Guillermo G. Marmol. | - |
Bhanu P. Jena | M | - |
Viron Therapeutics Holdings, Inc.
![]() Viron Therapeutics Holdings, Inc. BiotechnologyHealth Technology Viron Therapeutics Holdings, Inc. develops anti-viral therapeutics to identify small molecules to treat diseases. The company is based in Boston, MA. The company was founded by Bhanu P. Jena, Daniel A. Walz. The CEO is Guillermo G. Marmol. | - |
Franklin Bracken | M | 51 | - | |
Darlene Nicosia | F | 55 | 4 Jahre | |
Jerry Lundquist | M | - |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | 41 Jahre |
Tristan Walker | M | 39 | 4 Jahre | |
David Fubini | M | 70 |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | 44 Jahre |
Ulice Payne | M | 68 | 8 Jahre | |
Robert Higginbotham | M | - | 2 Jahre | |
Virginia Drosos | F | 61 | 2 Jahre | |
Andrew Laudato | M | 57 | 5 Jahre | |
Paul Roche | M | - |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | 32 Jahre |
Chris Claps | M | - |
Morae Global Corp.
![]() Morae Global Corp. Miscellaneous Commercial ServicesCommercial Services Morae Global Corp. provides legal and compliance solutions. It offers advisory and managed, dispute resolution and legal hold management services. The company is headquartered in Houston, TX. | - |
Richard de Silva | M | 51 |
Morae Global Corp.
![]() Morae Global Corp. Miscellaneous Commercial ServicesCommercial Services Morae Global Corp. provides legal and compliance solutions. It offers advisory and managed, dispute resolution and legal hold management services. The company is headquartered in Houston, TX. | 5 Jahre |
Gary Holdren | M | 73 |
Morae Global Corp.
![]() Morae Global Corp. Miscellaneous Commercial ServicesCommercial Services Morae Global Corp. provides legal and compliance solutions. It offers advisory and managed, dispute resolution and legal hold management services. The company is headquartered in Houston, TX. | - |
Noshir Kaka | M | - |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | 30 Jahre |
Sunil Sanghvi | M | - |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | 38 Jahre |
Meredith Wells | F | - |
Morae Global Corp.
![]() Morae Global Corp. Miscellaneous Commercial ServicesCommercial Services Morae Global Corp. provides legal and compliance solutions. It offers advisory and managed, dispute resolution and legal hold management services. The company is headquartered in Houston, TX. | - |
Mary Jummati | F | - |
Morae Global Corp.
![]() Morae Global Corp. Miscellaneous Commercial ServicesCommercial Services Morae Global Corp. provides legal and compliance solutions. It offers advisory and managed, dispute resolution and legal hold management services. The company is headquartered in Houston, TX. | - |
Mark Woolfolk | M | - |
Morae Global Corp.
![]() Morae Global Corp. Miscellaneous Commercial ServicesCommercial Services Morae Global Corp. provides legal and compliance solutions. It offers advisory and managed, dispute resolution and legal hold management services. The company is headquartered in Houston, TX. | - |
Carolyn Southerland | F | - |
Morae Global Corp.
![]() Morae Global Corp. Miscellaneous Commercial ServicesCommercial Services Morae Global Corp. provides legal and compliance solutions. It offers advisory and managed, dispute resolution and legal hold management services. The company is headquartered in Houston, TX. | - |
Casey Long | M | - |
Morae Global Corp.
![]() Morae Global Corp. Miscellaneous Commercial ServicesCommercial Services Morae Global Corp. provides legal and compliance solutions. It offers advisory and managed, dispute resolution and legal hold management services. The company is headquartered in Houston, TX. | 2 Jahre |
Robert Sternfels | M | - |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | 29 Jahre |
Daniel Cooper | M | - | 7 Jahre | |
Laura Corb | F | - |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | 31 Jahre |
Julia Covino | F | - | 12 Jahre | |
Anthony Uva | M | - | 15 Jahre | |
Patrick Feeney | M | - |
Morae Global Corp.
![]() Morae Global Corp. Miscellaneous Commercial ServicesCommercial Services Morae Global Corp. provides legal and compliance solutions. It offers advisory and managed, dispute resolution and legal hold management services. The company is headquartered in Houston, TX. | - |
Richard de Silva | M | - |
Morae Global Corp.
![]() Morae Global Corp. Miscellaneous Commercial ServicesCommercial Services Morae Global Corp. provides legal and compliance solutions. It offers advisory and managed, dispute resolution and legal hold management services. The company is headquartered in Houston, TX. | 5 Jahre |
Elliott Rodgers | M | 48 | 2 Jahre | |
Ann Kartsounes | F | - |
Morae Global Corp.
![]() Morae Global Corp. Miscellaneous Commercial ServicesCommercial Services Morae Global Corp. provides legal and compliance solutions. It offers advisory and managed, dispute resolution and legal hold management services. The company is headquartered in Houston, TX. | - |
Ozey Horton | M | 73 |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | 43 Jahre |
Neal Panza | M | 62 | 5 Jahre |
Beziehungs-Chart
Beziehungen zu mehreren Unternehmen
Ehemalige Beziehungen
Name | Geschlecht | Alter | Unternehmensverbindungen | Zusammenarbeit |
---|---|---|---|---|
Richard Johnson | M | 66 | 12 Jahre | |
Ronald Rittenmeyer | M | 76 |
Electronic Data Systems Corp.
![]() Electronic Data Systems Corp. Information Technology ServicesTechnology Services EDS provides a broad portfolio of business and technology solutions to help its clients worldwide improve their business performance. EDS’ core portfolio comprises information-technology, applications and business process services, as well as information-technology transformation services. EDS’ A.T. Kearney subsidiary is one of the world’s leading high-value management consultancies | 3 Jahre |
Joanna Barsh | F | 71 |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | 31 Jahre |
Kenneth Hicks | M | 71 | 8 Jahre | |
Richard Markee | M | 70 | 11 Jahre | |
Nicholas P. DiPaolo | M | 81 | 14 Jahre | |
Derek Reisfield | M | 61 |
Luminant Worldwide Corp.
![]() Luminant Worldwide Corp. Internet Software/ServicesTechnology Services Luminant Worldwide Corp. provides Internet and electronic commerce professional services. It services include, strategy consulting, creative solutions, technology solutions and ongoing services. The company was founded in August 1998 and is headquartered in Houston, TX. | - |
Alexander W. Smith | M | 71 | 2 Jahre | |
John Bowlin | M | 73 | 4 Jahre | |
Rohan Seneka Weerasinghe | M | 73 |
Harvard College
Harvard Business School
| 7 Jahre |
Cuong Viet Do | M | 58 |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | 17 Jahre |
Scott Williamson | M | - |
Luminant Worldwide Corp.
![]() Luminant Worldwide Corp. Internet Software/ServicesTechnology Services Luminant Worldwide Corp. provides Internet and electronic commerce professional services. It services include, strategy consulting, creative solutions, technology solutions and ongoing services. The company was founded in August 1998 and is headquartered in Houston, TX. | - |
Atul R. Kanagat | M | 68 |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | 22 Jahre |
Sharon Leite | F | 61 | 5 Jahre | |
Thilo Helmut Georg Mannhardt | M | 69 |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | 27 Jahre |
Michael Patsalos-Fox | M | 71 |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | - |
B. Michael Becker | M | 79 | 10 Jahre | |
Allen Questrom | M | 84 | 2 Jahre | |
Colin F. Watts | M | 58 | 3 Jahre | |
Frederick Reichheld | M | 72 |
Harvard Business School
Harvard College
| 6 Jahre |
Suzanne Nimocks | F | 64 |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | 21 Jahre |
Albrecht Curt Reuter Domenech | M | 77 |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | - |
Toos Daruvala | M | 68 |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | 34 Jahre |
Nancy Killefer | F | 69 |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | 34 Jahre |
Christiana Shi | F | 64 |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | 24 Jahre |
Michelle Jarrard | F | 56 |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | 27 Jahre |
Nora Aufreiter | F | 64 |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | 28 Jahre |
David Hunt | M | - |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | 23 Jahre |
Andrew Gray | M | 46 | 7 Jahre | |
Mark Loch | M | - |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | 26 Jahre |
Philip Ma | M | 59 |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | 21 Jahre |
Pieter Winsemius | M | - |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | - |
Gary M. Bahler | M | 72 | 24 Jahre | |
Thomas Nevens | M | 74 |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | 22 Jahre |
Clayton G. Deutsch | M | 68 |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | 30 Jahre |
William J. Brock | M | 74 |
Harvard College
Harvard Business School
| 7 Jahre |
Timothy Theriault | M | 63 | 3 Jahre | |
Lauren Peters | F | 63 | 19 Jahre | |
Deborah Derby | F | 60 | 7 Jahre | |
Rick Lawrence Perkal | M | 70 | 14 Jahre | |
Brenda M. Galgano | F | 55 | 7 Jahre | |
Kate Buggeln | F | 63 | 8 Jahre | |
Charles Knight | M | 59 | 2 Jahre | |
John Maurer | M | 65 | 12 Jahre | |
Margo Georgiadis | F | 60 |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | 17 Jahre |
Jarobin Gilbert | M | 78 | 37 Jahre | |
George Putnam | M | 73 |
Harvard Business School
Harvard College
| 7 Jahre |
James Champy | M | 81 |
Perot Systems Corp.
![]() Perot Systems Corp. Information Technology ServicesTechnology Services Perot Systems Corp. is a worldwide provider of information technology services and e-business solutions to a broad range of clients. It emphasizes developing and integrating information systems, operating and improving technology and business processes, and helping clients transform their businesses. The company helps companies take full advantage of e-business by leveraging their traditional strengths and technologies into digital marketplaces. It is Headquartered in Plano, Texas. | 14 Jahre |
Morton Meyerson | M | 86 |
Perot Systems Corp.
![]() Perot Systems Corp. Information Technology ServicesTechnology Services Perot Systems Corp. is a worldwide provider of information technology services and e-business solutions to a broad range of clients. It emphasizes developing and integrating information systems, operating and improving technology and business processes, and helping clients transform their businesses. The company helps companies take full advantage of e-business by leveraging their traditional strengths and technologies into digital marketplaces. It is Headquartered in Plano, Texas. | 6 Jahre |
Beth Pritchard | F | 76 | 10 Jahre | |
Alan Feldman | M | 72 | 19 Jahre | |
David Y. Schwartz | M | 83 | 13 Jahre | |
James E. Preston | M | 90 | 30 Jahre | |
David H. Edwab | M | 69 | 14 Jahre | |
Matthew M. McKenna | M | 73 | 16 Jahre | |
Norman Selby | M | 71 |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | 19 Jahre |
John H. Edmondson | M | 80 | 10 Jahre | |
Gernot Strube | M | 59 |
McKinsey & Co., Inc.
![]() McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY. | 28 Jahre |
Statistik
Land | Beziehungen | % des Gesamten |
---|---|---|
Vereinigte Staaten | 100 | 100,00% |
Alter der Beziehungen
Aktive
Vergangene
Herr
Frau
Aufsichtsräte
Führungskräfte
Ursprung der Beziehungen
- Börse
- Insiders
- Guillermo Marmol
- Persönliches Netzwerk