Paul Gideon van Zyl
Gründer bei Maiyet, Inc.
Aktive Beziehungen
Name | Geschlecht | Alter | Unternehmensverbindungen | Zusammenarbeit |
---|---|---|---|---|
Rowan Finnegan | M | - |
Lava Mayfair Club Ltd.
Lava Mayfair Club Ltd. Miscellaneous Commercial ServicesCommercial Services Lava Mayfair Club Ltd. operates membership organization of social entrepreneurs. The company was founded by Rowan Finnegan, Nicholas Hamilton and Paul Van Zyl on March 21, 2016 and is headquartered in London, the United Kingdom.
Lava Mayfair Ltd.
Lava Mayfair Ltd. Real Estate DevelopmentFinance Part of Maiyet, Inc., Lava Mayfair Ltd. is a real estate leasing British company founded in 2016. The company is based in London, UK. Lava Mayfair specializes in leasing real estate properties.
Maiyet, Inc.
Maiyet, Inc. Apparel/Footwear RetailRetail Trade Maiyet, Inc. manufactures apparel, accessories, and jewelry. It offers scarves, bags and shoes, belts, suits, and leather goods. The company was founded by Paul van Zyl, Daniel Lubetzky and Kristy Caylor in 2010 and is headquartered in New York, NY. | 8 Jahre |
Kristy Caylor | F | - |
Maiyet, Inc.
Maiyet, Inc. Apparel/Footwear RetailRetail Trade Maiyet, Inc. manufactures apparel, accessories, and jewelry. It offers scarves, bags and shoes, belts, suits, and leather goods. The company was founded by Paul van Zyl, Daniel Lubetzky and Kristy Caylor in 2010 and is headquartered in New York, NY. | 14 Jahre |
Nicholas Alexander Hamilton | M | 56 |
Lava Mayfair Club Ltd.
Lava Mayfair Club Ltd. Miscellaneous Commercial ServicesCommercial Services Lava Mayfair Club Ltd. operates membership organization of social entrepreneurs. The company was founded by Rowan Finnegan, Nicholas Hamilton and Paul Van Zyl on March 21, 2016 and is headquartered in London, the United Kingdom.
Lava Mayfair Ltd.
Lava Mayfair Ltd. Real Estate DevelopmentFinance Part of Maiyet, Inc., Lava Mayfair Ltd. is a real estate leasing British company founded in 2016. The company is based in London, UK. Lava Mayfair specializes in leasing real estate properties. | 8 Jahre |
Henrietta Holsman Fore | F | 75 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Anthony Welters | M | 69 |
New York University School of Law
| - |
David Rubenstein | M | 74 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
David Tanner | M | 65 |
New York University School of Law
| - |
Indra Krishnamurthy Nooyi | F | 68 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
J. Gallagher | M | - |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Gerald Rosenfeld | M | 77 |
New York University School of Law
| - |
Robert Devereux | M | - |
Lava Mayfair Club Ltd.
Lava Mayfair Club Ltd. Miscellaneous Commercial ServicesCommercial Services Lava Mayfair Club Ltd. operates membership organization of social entrepreneurs. The company was founded by Rowan Finnegan, Nicholas Hamilton and Paul Van Zyl on March 21, 2016 and is headquartered in London, the United Kingdom. | 8 Jahre |
Eduardo C. Leite | M | - |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Guillaume Clairet | M | - |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Fernando Reimers | M | - |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Olivier M. Weber | M | - |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Khalid Ibrahim Abdulwahid Zagzoog | M | - |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Nasser Chammaa | M | - |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Vincent Tese | M | 81 |
New York University School of Law
| 34 Jahre |
Aaron McCormack | M | - |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | 16 Jahre |
Franky Oesman Widjaja | M | 66 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Shahril bin Shamsuddin | M | 63 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Eduardo Sergio Elsztain | M | 64 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Toshiko Mori | F | 72 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Atif Riaz Bokhari | M | - |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Alan L. Fuchsberg | M | - |
New York University School of Law
| - |
Jim Smith | M | 64 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
H. Christopher Moon | M | - |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Erik R. Peterson | M | - |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Anil Menon | M | - |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Dirk Carsten Hoke | M | 55 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | 14 Jahre |
Shankh Mitra | M | 43 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Silvia von Gunten | F | - |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Philip Graham New | M | 62 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | 8 Jahre |
Murray Bring | M | - |
New York University School of Law
| - |
Jennifer Arlen | F | - |
New York University School of Law
| - |
Mimi Marziani | F | - |
New York University School of Law
| - |
Peter Sudler | M | - |
New York University School of Law
| - |
Lisa Dreier | F | - |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Benedict Kingsbury | M | - |
New York University School of Law
| - |
Stewart Pollock | M | - |
New York University School of Law
| - |
Bogolo Joy Kenewendo | F | 36 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Anil Kumar Sethi | M | 67 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Sophia Velastegui | F | 48 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Mitra O'Neill | F | 55 |
New York University School of Law
| - |
Yup Lee Sang | M | - |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Marthin de Beer | M | - |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Lucia Morselli | M | 67 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Kathryn Sudol | F | 49 |
New York University School of Law
| - |
John Riady | M | 38 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Chinnaswamy Vijayakumar | M | - |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Zane Lackey | M | - |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Atul Chandrakant Kirloskar | M | 67 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Serge Pun | M | 71 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Amir Abbassciy | M | - |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | 13 Jahre |
Alan Boeckmann | M | 75 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Fabiola Arredondo | F | 57 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Mike Splinter | M | 72 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Roger Meltzer | M | 73 |
New York University School of Law
| 13 Jahre |
Steven Demetriou | M | 65 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Juan Yépez | M | - |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Niall William Arthur Fitzgerald | M | 79 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Richard Reiss | M | 80 |
New York University School of Law
| - |
Francisco D'Souza | M | 55 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Mitchell Jacobson | M | 73 |
New York University School of Law
| - |
Bernardus Verwaayen | M | 71 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Keith Block | M | 62 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Alain Juan Pablo Belda Fernandez | M | 81 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
William George | M | 81 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Trevor Morrison | M | 53 |
New York University School of Law
| 11 Jahre |
Jim Fitterling | M | 62 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Mark C. Israelsen | M | - |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Scott Hoffman | M | 61 |
New York University School of Law
| - |
Charlene Begley | F | 57 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Susan Segal | F | 71 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Bob Bailey | M | 68 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Carol Tomé | F | 67 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Jeff Aronson | M | 66 |
New York University School of Law
| - |
Ming Po Cai | M | 55 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | 6 Jahre |
Samuel di Piazza | M | 73 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Douglas Peterson | M | 65 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Stephen Schwarzman | M | 77 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Steven Tuttleman | M | - |
New York University School of Law
| 4 Jahre |
R. Shane Green | M | - |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Mary Maher | F | 63 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Rachel Robbins | F | 73 |
New York University School of Law
| - |
Vishwarupe Narain | M | 47 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Patricia Mulroy | F | 71 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Lee McIntire | M | 75 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Enrique Razon | M | 64 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Donald R. Harkleroad | M | 80 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Todd Cozzens | M | 67 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | 11 Jahre |
Richard Edelman | M | 70 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Hiromichi Mizuno | M | 58 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Sangita Reddy | M | 61 |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Muhammad Hussain Dawood | M | - |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | 32 Jahre |
Sebastian Freitag | M | - |
The World Economic Forum USA, Inc.
The World Economic Forum USA, Inc. Miscellaneous Commercial ServicesCommercial Services The World Economic Forum USA, Inc. operates an organization for economic reforms. The non-profit company is based in New York, NY. | - |
Tom Shropshire | M | - |
New York University School of Law
| - |
John Suydam | M | 64 |
New York University School of Law
| - |
Vijaya Gadde | F | 49 |
New York University School of Law
| - |
Dean Garfield | M | 56 |
New York University School of Law
| 3 Jahre |
Beziehungs-Chart
Beziehungen zu mehreren Unternehmen
Statistik
Land | Beziehungen | % des Gesamten |
---|---|---|
Vereinigte Staaten | 98 | 98,00% |
Vereinigtes Königreich | 3 | 3,00% |
Alter der Beziehungen
Aktive
Vergangene
Herr
Frau
Aufsichtsräte
Führungskräfte
Ursprung der Beziehungen
- Börse
- Insiders
- Paul Gideon van Zyl
- Persönliches Netzwerk