![Per Johan Strömberg](https://cdn.zonebourse.com/static/resize/768/576//static/images/insiders/unknown.png)
Per Johan Strömberg
Direktor/Vorstandsmitglied bei Conversus Capital LP
Aktive Beziehungen
Name | Geschlecht | Alter | Unternehmensverbindungen | Zusammenarbeit |
---|---|---|---|---|
Lars Strannegård | M | 55 |
Stockholm School of Economics
| - |
Laurent Leksell | M | 72 |
Stockholm School of Economics
| - |
Paul Graham Guilbert | M | 62 |
Conversus Capital LP
![]() Conversus Capital LP Investment ManagersFinance Conversus Capital LP, a traded fund of funds, invests in private equity, venture capital and secondary funds located globally. The fund invests in companies operating in the fields of media, telecom services, consumer services, financial services, healthcare, industrials, information technology and materials. It also makes direct investments. The company was founded on may 29, 2007 and headquarters in St. Peter Port, the United Kingdom. | - |
Kathryn Matthews | F | 64 |
Conversus Capital LP
![]() Conversus Capital LP Investment ManagersFinance Conversus Capital LP, a traded fund of funds, invests in private equity, venture capital and secondary funds located globally. The fund invests in companies operating in the fields of media, telecom services, consumer services, financial services, healthcare, industrials, information technology and materials. It also makes direct investments. The company was founded on may 29, 2007 and headquarters in St. Peter Port, the United Kingdom. | 14 Jahre |
Laurie Hoagland | M | 88 |
Conversus Capital LP
![]() Conversus Capital LP Investment ManagersFinance Conversus Capital LP, a traded fund of funds, invests in private equity, venture capital and secondary funds located globally. The fund invests in companies operating in the fields of media, telecom services, consumer services, financial services, healthcare, industrials, information technology and materials. It also makes direct investments. The company was founded on may 29, 2007 and headquarters in St. Peter Port, the United Kingdom. | - |
David Coulter | M | 76 |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 27 Jahre |
Signhild Lou E Arnegård-Hansen | F | 64 |
Stockholm School of Economics
| - |
Jik Yeong Kang | M | 61 |
Stockholm School of Economics
| - |
Erik Ülo Werner Nerep | M | 73 |
Stockholm School of Economics
| 32 Jahre |
Micael Dahlén | M | 51 |
Stockholm School of Economics
| - |
Kathleen Evans | F | - |
Conversus Capital LP
![]() Conversus Capital LP Investment ManagersFinance Conversus Capital LP, a traded fund of funds, invests in private equity, venture capital and secondary funds located globally. The fund invests in companies operating in the fields of media, telecom services, consumer services, financial services, healthcare, industrials, information technology and materials. It also makes direct investments. The company was founded on may 29, 2007 and headquarters in St. Peter Port, the United Kingdom. | - |
Carina Malmgren Heander | M | 65 |
Stockholm School of Economics
| - |
Helena Ildiko Saxon | F | 54 |
Stockholm School of Economics
| - |
Lars Bodin | M | 59 |
Stockholm School of Economics
| - |
Stephanie Paine | F | - |
Conversus Capital LP
![]() Conversus Capital LP Investment ManagersFinance Conversus Capital LP, a traded fund of funds, invests in private equity, venture capital and secondary funds located globally. The fund invests in companies operating in the fields of media, telecom services, consumer services, financial services, healthcare, industrials, information technology and materials. It also makes direct investments. The company was founded on may 29, 2007 and headquarters in St. Peter Port, the United Kingdom. | - |
Viveka Irja Hirdman-Ryrberg | F | 61 |
Stockholm School of Economics
| - |
Kevin Bochenek | M | - |
Conversus Capital LP
![]() Conversus Capital LP Investment ManagersFinance Conversus Capital LP, a traded fund of funds, invests in private equity, venture capital and secondary funds located globally. The fund invests in companies operating in the fields of media, telecom services, consumer services, financial services, healthcare, industrials, information technology and materials. It also makes direct investments. The company was founded on may 29, 2007 and headquarters in St. Peter Port, the United Kingdom. | - |
Johan Patrik Lennart Forssell | M | 53 |
Stockholm School of Economics
| - |
Jan-Eric Österlund | M | 79 |
Stockholm School of Economics
| 54 Jahre |
Kerstin Hessius | F | 66 |
Stiftelsen för Finansforskning
| - |
Lars Otterbeck | M | 82 |
Stockholm School of Economics
| - |
Anders Nyrén | M | 70 |
Stockholm School of Economics
| - |
Ulla Viveka Litzén | F | 68 |
Stockholm School of Economics
| - |
Per-Olof Ragnar Söderberg | M | 69 |
Stockholm School of Economics
| - |
Sven Olov Nyman | M | 65 |
Stockholm School of Economics
| - |
Claes Dahlbäck | M | 76 |
Stockholm School of Economics
| - |
Ebba Sjögren | F | - |
Stockholm School of Economics
| 15 Jahre |
Beziehungs-Chart
Beziehungen zu mehreren Unternehmen
Ehemalige Beziehungen
Name | Geschlecht | Alter | Unternehmensverbindungen | Zusammenarbeit |
---|---|---|---|---|
Khaled Abdulaziz Alghoneim | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 5 Jahre |
Kyle Oppenheim | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Murray P. Starkel | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 3 Jahre |
Edward Hu | M | 61 |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Juan Benitez | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 5 Jahre |
Steve Hoover | M | 63 |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 8 Jahre |
Stephen E. Cross | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Jason K. Altman | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 5 Jahre |
Jonathan Berkowitz | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Antonio Marcus da Silva | M | 52 |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Alexander Amezquita | M | 51 |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 5 Jahre |
Mahesh Saptharishi | M | 46 |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 5 Jahre |
James E. Beck | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 3 Jahre |
Brian James Clapp | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 2 Jahre |
Michael Tucker | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 8 Jahre |
Gautam Garg | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 5 Jahre |
Will Gaffey | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Brittany E. Powell | F | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Han Di Xian | M | 50 |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Madison Mount | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Deron Haley | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Se-Ho Kim | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 8 Jahre |
Takeo Mukai | M | 44 |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Timothy J. Kosto | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 2 Jahre |
Bob Erwin | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 2 Jahre |
Robert McCurdy | M | 68 |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 2 Jahre |
Seth Weinfeld | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Cormac Eubanks | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 5 Jahre |
Ryan William Kruger | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Jefferey A. Shufelt | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 3 Jahre |
Min Chong | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
David A. Moylan | M | 57 |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 1 Jahre |
Phillip Sawarynski | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 2 Jahre |
Ania Rodriguez | F | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Bernhard Paasche Junco | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 5 Jahre |
Shal Chu Geh | M | 63 |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 1 Jahre |
Matthew Cushman | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Jay Huang | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Jean Luc Park | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Yacov Arnopolin | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Zoltan J. Cendes | M | 77 |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 14 Jahre |
Thomas McElroy | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Shawn P. Williams | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 3 Jahre |
David J. Pavan | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 1 Jahre |
Chad Michael Clark | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Alexander L. Hawkinson | M | 50 |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Mark George Visnic | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 2 Jahre |
Eduardo S. Gonzalez | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Jim Zhao | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 2 Jahre |
Kok Leong Ang | M | 56 |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Chris Ericksen | M | 52 |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Mark E. Coticchia | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 3 Jahre |
Vincent Russell | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
David Sandberg | M | 51 |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Avniel Dravid | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Jennifer Kristine DeSisto | F | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Djitt Laowattana | M | 63 |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 3 Jahre |
Rory Kirkpatrick | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 2 Jahre |
Joshua Summers | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Marc Guldimann | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 5 Jahre |
John H. Wengraf | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 2 Jahre |
Mark J. Hale | M | 51 |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Chauncey Julius Upson | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Jeffrey D. Mullen | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Nassir bin Salim Al-Busaidi | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 2 Jahre |
Hazman bin Thobrani | M | 48 |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Mohammad Al-Osaimi | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 2 Jahre |
Maxwell Cheng | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 2 Jahre |
Alan Petrillo | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 4 Jahre |
Genevieve C. Gacula | F | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | - |
Chris Chong | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 1 Jahre |
Abhijeet Singh | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 2 Jahre |
Rob Frasca | M | - |
Carnegie Mellon University
![]() Carnegie Mellon University Other Consumer ServicesConsumer Services Carnegie Mellon University is an American school that operates as a college or university. It is located in Pittsburgh, Pennsylvania. | 2 Jahre |
Statistik
Land | Beziehungen | % des Gesamten |
---|---|---|
Vereinigte Staaten | 74 | 74,00% |
Schweden | 20 | 20,00% |
Vereinigtes Königreich | 6 | 6,00% |
Alter der Beziehungen
Aktive
Vergangene
Herr
Frau
Aufsichtsräte
Führungskräfte
Ursprung der Beziehungen
- Börse
- Insiders
- Per Johan Strömberg
- Persönliches Netzwerk