Dean M. Dilley
Keine laufenden Positionen mehr
Beziehungs-Chart
Beziehungen zu mehreren Unternehmen
Ehemalige Beziehungen
| Name | Geschlecht | Alter | Unternehmensverbindungen | Zusammenarbeit |
|---|---|---|---|---|
| Ivan Lustig | M | - |
Cornell University
 Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 6 Jahre |
| Danh Tran | M | - |
The Catholic University of America
| 10 Jahre |
| Shelly Porges | F | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 7 Jahre |
| Brit J. Bartter | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 3 Jahre |
| Jeffrey Cherry | M | - |
The Catholic University of America
| 4 Jahre |
| Thomas L. Hierl | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 5 Jahre |
| Radzuan bin Abdul Rahman | M | 80 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| William McAleer | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 6 Jahre |
| Majed Al-Ajeel | M | 71 |
The Catholic University of America
| 5 Jahre |
| Oliverio Laperal | M | 73 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 6 Jahre |
| Adil Ahmad | M | 66 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 6 Jahre |
| Jay Cohen | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| David Weinberger | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Philip H. Wilde | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 6 Jahre |
| Josef Lakonishok | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 3 Jahre |
| Judah S. Kraushaar | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 5 Jahre |
| Gary F. Simons | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Daniel Lee | M | 67 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 7 Jahre |
| Mohamed Ibn Chambas | M | 73 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Fred Kaplan | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Dale S. Okonow | M | 66 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Nelson Bradford Mead | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Norm Bartlett | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Larry Larson | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Tom Groos | M | 67 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| P. Richard Heimann | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Honore G. Aschaffenburg | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Scott Gould | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Timothy P. McCann | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Stephen Compagni-Portis | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| John M. Jureller | M | 65 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Marc S. Meketon | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 3 Jahre |
| John C. Lahey | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Peter Cramton | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Arthur C. H. Cheng | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Daniel T. Lee | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| John Alan Noble | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Katherine T. H. Greenberg | F | 66 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| David Bunde | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| William A. Scari | M | - |
The Catholic University of America
| 3 Jahre |
| Steve Vaccaro | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 5 Jahre |
| Chris Olie | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 3 Jahre |
| Jeff Shamis | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Adam Umanoff | M | 64 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Stephen Liguori | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Lewis Levy | M | 65 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Robert Filner | M | 81 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 3 Jahre |
| Ed Stratton | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Kwok Tung Li | M | 69 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Alan M. Coren | M | 69 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| John Patrick Maguire | M | 66 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Luciano Galvão Coutinho | M | 77 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 3 Jahre |
| Thomas Arasi | M | 67 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| George Murphy | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 3 Jahre |
| John Mutch | M | 68 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Cam Albright | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Raymond Pacini | M | 68 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 2 Jahre |
| Peter Nolan | M | 65 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 5 Jahre |
| Ken Levy | M | 72 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Pamela Marrone | M | 67 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Cynthia J. Ladd | F | 68 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 3 Jahre |
| Charles M. Ober | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Steven C. Barre | M | 64 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Bruce R. McMaken | M | 64 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Douglas Leone | M | 66 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 5 Jahre |
| Stephen Sabba | M | 64 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Peter Kim | M | 65 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Lynn Minella | F | 66 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Brian D. Oliver | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Gregg Dedrick | M | 65 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Christopher T. Dunstan | M | 69 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 1 Jahre |
| Holly J. Nelson | F | 70 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| David E. Fleming | M | 69 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Seth Klarman | M | 67 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Kevin Barr | M | 64 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Christopher Oddleifson | M | 65 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| John Francis Powers | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Cynthia M. Christian | F | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Fred DeMaio | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Alain A. O'Hayon | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 2 Jahre |
| Curtis Anastasio | M | 67 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Peter Reynolds Brooks | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 2 Jahre |
| Timothy A. Costello | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Philip Raymond | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Daniel M. Shapiro | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 3 Jahre |
| Marcie Bloom | F | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| James C. Rautio | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Tracy Dolgin | M | 64 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Charles D. Stockham | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 3 Jahre |
| Michael J. Zak | M | 70 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Robert K. Jacobson | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Charles A. Muller | M | 65 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Steven Berkenfeld | M | 64 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| David S. Gellman | M | 66 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Harold E. van Wart | M | 76 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 6 Jahre |
| Dewitte Kersh | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Kenneth P. Kopelman | M | 72 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Bill Wiberg | M | 64 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Chi Hong Lee | M | 73 |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 Jahre |
| Floyd I. Wittlin | M | - |
Cornell University
Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | 4 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
- Dean M. Dilley
- Persönliches Netzwerk