Dave Schaeffer
Chief Executive Officer at COGENT COMMUNICATIONS HOLDINGS, INC.
Net worth: 301 M $ as of 2024-03-30
Active connections
| Name | Gender | Age | Linked companies | Collaboration |
|---|---|---|---|---|
| Thaddeus Weed | M | 63 |
Cogent Communications Group, Inc.
 Cogent Communications Group, Inc. Specialty TelecommunicationsCommunications Cogent Communications Group, Inc. provides broadband Internet services. The company was founded by David Schaeffer in August 1999 and is headquartered in Washington, DC. | 24 years |
| Jean-Michel Slagmuylder | M | 61 |
C.C.D. Cogent Communications Deutschland GmbH
 C.C.D. Cogent Communications Deutschland GmbH Major TelecommunicationsCommunications Part of Cogent Communications Holdings, Inc., C.C.D. Cogent Communications Deutschland GmbH is a provider of high-quality internet, ethernet, and colocation services. The private company is based in Frankfurt, Germany. The CEOs of the German company are Jean-Michel Slagmuylder, Timothy G. O'Neill, David Schaeffer.
Cogent Communications Belgium SRL
 Cogent Communications Belgium SRL Information Technology ServicesTechnology Services Part of Cogent Communications Holdings, Inc., Cogent Communications Belgium SRL provides computer consulting services. The private company is based in Brussels, Belgium and was founded in 2000. | 24 years |
| Steven Brooks | M | 72 |
Cogent Communications Group, Inc.
Cogent Communications Group, Inc. Specialty TelecommunicationsCommunications Cogent Communications Group, Inc. provides broadband Internet services. The company was founded by David Schaeffer in August 1999 and is headquartered in Washington, DC. | 21 years |
| Blake Bath | M | 61 |
Cogent Communications Group, Inc.
Cogent Communications Group, Inc. Specialty TelecommunicationsCommunications Cogent Communications Group, Inc. provides broadband Internet services. The company was founded by David Schaeffer in August 1999 and is headquartered in Washington, DC. | 18 years |
| Marc Montagner | M | 62 |
Cogent Communications Group, Inc.
Cogent Communications Group, Inc. Specialty TelecommunicationsCommunications Cogent Communications Group, Inc. provides broadband Internet services. The company was founded by David Schaeffer in August 1999 and is headquartered in Washington, DC. | 14 years |
| Erel Margalit | M | 63 |
Cogent Communications Group, Inc.
Cogent Communications Group, Inc. Specialty TelecommunicationsCommunications Cogent Communications Group, Inc. provides broadband Internet services. The company was founded by David Schaeffer in August 1999 and is headquartered in Washington, DC.
Jerusalem Venture Partners
 Jerusalem Venture Partners Investment ManagersFinance Jerusalem Venture Partners (JVP) is a venture capital firm founded in 1993 by Erel N. Margalit. The firm is headquartered in Jerusalem, Israel. | 31 years |
| Lewis Ferguson | M | 79 |
Cogent Communications Group, Inc.
Cogent Communications Group, Inc. Specialty TelecommunicationsCommunications Cogent Communications Group, Inc. provides broadband Internet services. The company was founded by David Schaeffer in August 1999 and is headquartered in Washington, DC. | 9 years |
| Matthew Cohen | M | 48 | 5 years | |
| Deneen Howell | F | 52 | 2 years | |
| Ronald Gutler | M | 66 | 10 years | |
| Eve Howard | F | 61 | 2 years | |
| Robert N. Beury | M | 70 |
Cogent Communications Group, Inc.
Cogent Communications Group, Inc. Specialty TelecommunicationsCommunications Cogent Communications Group, Inc. provides broadband Internet services. The company was founded by David Schaeffer in August 1999 and is headquartered in Washington, DC. | 24 years |
| Raymond Brad Kummer | M | 75 |
Cogent Communications Group, Inc.
Cogent Communications Group, Inc. Specialty TelecommunicationsCommunications Cogent Communications Group, Inc. provides broadband Internet services. The company was founded by David Schaeffer in August 1999 and is headquartered in Washington, DC. | 24 years |
| Ernie Ortega | M | 58 |
Cogent Communications Group, Inc.
Cogent Communications Group, Inc. Specialty TelecommunicationsCommunications Cogent Communications Group, Inc. provides broadband Internet services. The company was founded by David Schaeffer in August 1999 and is headquartered in Washington, DC. | 11 years |
| Avril England | F | 55 | 3 years | |
| Alex Dikman | M | - |
Jerusalem Venture Partners
Jerusalem Venture Partners Investment ManagersFinance Jerusalem Venture Partners (JVP) is a venture capital firm founded in 1993 by Erel N. Margalit. The firm is headquartered in Jerusalem, Israel. | 6 years |
| Alexandre Dahan | M | - |
Jerusalem Venture Partners
Jerusalem Venture Partners Investment ManagersFinance Jerusalem Venture Partners (JVP) is a venture capital firm founded in 1993 by Erel N. Margalit. The firm is headquartered in Jerusalem, Israel. | 6 years |
| John Chang | M | 52 |
Cogent Communications Group, Inc.
Cogent Communications Group, Inc. Specialty TelecommunicationsCommunications Cogent Communications Group, Inc. provides broadband Internet services. The company was founded by David Schaeffer in August 1999 and is headquartered in Washington, DC. | 5 years |
| Ried R. Zulager | M | - |
Cogent Communications Group, Inc.
Cogent Communications Group, Inc. Specialty TelecommunicationsCommunications Cogent Communications Group, Inc. provides broadband Internet services. The company was founded by David Schaeffer in August 1999 and is headquartered in Washington, DC. | 22 years |
| Sheryl Kennedy | F | 69 | 5 years | |
| François Auque | M | 67 | 5 years | |
| Timothy G. O'Neill | M | 68 |
Cogent Communications Group, Inc.
Cogent Communications Group, Inc. Specialty TelecommunicationsCommunications Cogent Communications Group, Inc. provides broadband Internet services. The company was founded by David Schaeffer in August 1999 and is headquartered in Washington, DC. | 23 years |
| David Kapp | M | 47 | 18 years | |
| Kim Perdikou | F | 66 | 10 years | |
| Riki Mozes | F | - |
Jerusalem Venture Partners
Jerusalem Venture Partners Investment ManagersFinance Jerusalem Venture Partners (JVP) is a venture capital firm founded in 1993 by Erel N. Margalit. The firm is headquartered in Jerusalem, Israel. | 3 years |
| Paul de Sa | M | 52 | 3 years | |
| Rinat Remler | F | 52 |
Jerusalem Venture Partners
Jerusalem Venture Partners Investment ManagersFinance Jerusalem Venture Partners (JVP) is a venture capital firm founded in 1993 by Erel N. Margalit. The firm is headquartered in Jerusalem, Israel. | 6 years |
| Thomas Davie | M | - |
Jerusalem Venture Partners
Jerusalem Venture Partners Investment ManagersFinance Jerusalem Venture Partners (JVP) is a venture capital firm founded in 1993 by Erel N. Margalit. The firm is headquartered in Jerusalem, Israel. | - |
| Peretz Regev | M | 45 | 2 years | |
| Vincent Teissier | M | - |
Cogent Communications Belgium SRL
Cogent Communications Belgium SRL Information Technology ServicesTechnology Services Part of Cogent Communications Holdings, Inc., Cogent Communications Belgium SRL provides computer consulting services. The private company is based in Brussels, Belgium and was founded in 2000. | 22 years |
| Liz Campbell | F | - | 4 years | |
| Sara Thomas | F | - |
Jerusalem Venture Partners
Jerusalem Venture Partners Investment ManagersFinance Jerusalem Venture Partners (JVP) is a venture capital firm founded in 1993 by Erel N. Margalit. The firm is headquartered in Jerusalem, Israel. | 3 years |
| Omer Grossman | M | 44 | 2 years | |
| Clarence Hinton | M | - | 6 years | |
| Shimrit Kenig | F | - |
Jerusalem Venture Partners
Jerusalem Venture Partners Investment ManagersFinance Jerusalem Venture Partners (JVP) is a venture capital firm founded in 1993 by Erel N. Margalit. The firm is headquartered in Jerusalem, Israel. | 3 years |
| Pnina Ben Ami | F | - |
Jerusalem Venture Partners
Jerusalem Venture Partners Investment ManagersFinance Jerusalem Venture Partners (JVP) is a venture capital firm founded in 1993 by Erel N. Margalit. The firm is headquartered in Jerusalem, Israel. | 12 years |
| Adi Toledano | M | - |
Jerusalem Venture Partners
Jerusalem Venture Partners Investment ManagersFinance Jerusalem Venture Partners (JVP) is a venture capital firm founded in 1993 by Erel N. Margalit. The firm is headquartered in Jerusalem, Israel. | 3 years |
| Erica Smith | F | - | 9 years | |
| Simon Mouyal | M | - | 2 years | |
| Oded Shoseyov | M | 67 |
Jerusalem Venture Partners
Jerusalem Venture Partners Investment ManagersFinance Jerusalem Venture Partners (JVP) is a venture capital firm founded in 1993 by Erel N. Margalit. The firm is headquartered in Jerusalem, Israel. | - |
| Margaret Breya | F | 63 |
Jerusalem Venture Partners
Jerusalem Venture Partners Investment ManagersFinance Jerusalem Venture Partners (JVP) is a venture capital firm founded in 1993 by Erel N. Margalit. The firm is headquartered in Jerusalem, Israel. | 2 years |
| Henry Kilmer | M | 55 | 13 years | |
| Alexander Ott | M | 59 |
Jerusalem Venture Partners
Jerusalem Venture Partners Investment ManagersFinance Jerusalem Venture Partners (JVP) is a venture capital firm founded in 1993 by Erel N. Margalit. The firm is headquartered in Jerusalem, Israel. | 21 years |
| Yoav Tzruya | M | - |
Jerusalem Venture Partners
Jerusalem Venture Partners Investment ManagersFinance Jerusalem Venture Partners (JVP) is a venture capital firm founded in 1993 by Erel N. Margalit. The firm is headquartered in Jerusalem, Israel. | 14 years |
| Robert Gehorsam | M | 66 |
Jerusalem Venture Partners
Jerusalem Venture Partners Investment ManagersFinance Jerusalem Venture Partners (JVP) is a venture capital firm founded in 1993 by Erel N. Margalit. The firm is headquartered in Jerusalem, Israel. | 17 years |
| David Braunschvig | M | - |
Jerusalem Venture Partners
Jerusalem Venture Partners Investment ManagersFinance Jerusalem Venture Partners (JVP) is a venture capital firm founded in 1993 by Erel N. Margalit. The firm is headquartered in Jerusalem, Israel. | - |
| Ygal Ozechov | M | - |
Jerusalem Venture Partners
Jerusalem Venture Partners Investment ManagersFinance Jerusalem Venture Partners (JVP) is a venture capital firm founded in 1993 by Erel N. Margalit. The firm is headquartered in Jerusalem, Israel. | - |
| Gadi Porat | M | - |
Jerusalem Venture Partners
Jerusalem Venture Partners Investment ManagersFinance Jerusalem Venture Partners (JVP) is a venture capital firm founded in 1993 by Erel N. Margalit. The firm is headquartered in Jerusalem, Israel. | 6 years |
| James Bubeck | M | 57 | 9 years | |
| Jocelyn Johnson | F | - | 7 years | |
| Ilan Ron | M | 59 |
Jerusalem Venture Partners
Jerusalem Venture Partners Investment ManagersFinance Jerusalem Venture Partners (JVP) is a venture capital firm founded in 1993 by Erel N. Margalit. The firm is headquartered in Jerusalem, Israel. | 3 years |
| Joy Marcus | F | - |
Jerusalem Venture Partners
Jerusalem Venture Partners Investment ManagersFinance Jerusalem Venture Partners (JVP) is a venture capital firm founded in 1993 by Erel N. Margalit. The firm is headquartered in Jerusalem, Israel. | 6 years |
| Eveline Steinberger-Kern | M | 52 |
Jerusalem Venture Partners
Jerusalem Venture Partners Investment ManagersFinance Jerusalem Venture Partners (JVP) is a venture capital firm founded in 1993 by Erel N. Margalit. The firm is headquartered in Jerusalem, Israel. | - |
| Guy Banks | M | 59 | 24 years | |
| Lori Brown | F | - |
Cogent Communications Group, Inc.
Cogent Communications Group, Inc. Specialty TelecommunicationsCommunications Cogent Communications Group, Inc. provides broadband Internet services. The company was founded by David Schaeffer in August 1999 and is headquartered in Washington, DC. | - |
| Mary Yang | F | 55 | 1 years | |
| Devora Mason | F | - |
Jerusalem Venture Partners
Jerusalem Venture Partners Investment ManagersFinance Jerusalem Venture Partners (JVP) is a venture capital firm founded in 1993 by Erel N. Margalit. The firm is headquartered in Jerusalem, Israel. | 3 years |
Connections Chart
Multi-company connection
Former connections
| Name | Gender | Age | Linked companies | Collaboration |
|---|---|---|---|---|
| Timothy Weingarten | M | 48 |
Cogent Communications Group, Inc.
Cogent Communications Group, Inc. Specialty TelecommunicationsCommunications Cogent Communications Group, Inc. provides broadband Internet services. The company was founded by David Schaeffer in August 1999 and is headquartered in Washington, DC. | 16 years |
| Richard T. Liebhaber | M | 88 |
Cogent Communications Group, Inc.
Cogent Communications Group, Inc. Specialty TelecommunicationsCommunications Cogent Communications Group, Inc. provides broadband Internet services. The company was founded by David Schaeffer in August 1999 and is headquartered in Washington, DC. | 13 years |
| Sean Wallace | M | 62 | 2 years | |
| R. Reed Harrison | M | 75 |
Cogent Communications Group, Inc.
Cogent Communications Group, Inc. Specialty TelecommunicationsCommunications Cogent Communications Group, Inc. provides broadband Internet services. The company was founded by David Schaeffer in August 1999 and is headquartered in Washington, DC. | 5 years |
| Carolyn F. Katz | F | 62 | 2 years | |
| David L. Campbell | M | - | 5 years | |
| Adam N. Bosnian | M | 59 | 16 years | |
| Mark A. Schleifer | M | 55 |
Cogent Communications Group, Inc.
Cogent Communications Group, Inc. Specialty TelecommunicationsCommunications Cogent Communications Group, Inc. provides broadband Internet services. The company was founded by David Schaeffer in August 1999 and is headquartered in Washington, DC. | 11 years |
| Jeffrey S. Karnes | M | 52 |
Cogent Communications Group, Inc.
Cogent Communications Group, Inc. Specialty TelecommunicationsCommunications Cogent Communications Group, Inc. provides broadband Internet services. The company was founded by David Schaeffer in August 1999 and is headquartered in Washington, DC. | 9 years |
| Michael Carus | M | - |
Cogent Communications Group, Inc.
Cogent Communications Group, Inc. Specialty TelecommunicationsCommunications Cogent Communications Group, Inc. provides broadband Internet services. The company was founded by David Schaeffer in August 1999 and is headquartered in Washington, DC. | - |
| Marianne Budnik | F | 55 | 3 years | |
| Helen Lee Bouygues | F | 51 |
PathNet, Inc.
 PathNet, Inc. Specialty TelecommunicationsCommunications Pathnet, Inc. provides wholesale and retail telecommunications service to underserved and second and third tier markets throughout the United States. During the year, the company expanded its activities to include fiber optic technology to deliver high bandwidth services as well as dark and dim fiber to inter-exchange carriers ('IXCs'), local exchange carriers ('ILECs'), internet service providers ('ISPs'), Regional Bell Operating Companies (RBOCs'), cellular operators and resellers. The company provides inter-city transport services which comprises of point-to-point services offered as Time Division Multiplexing, or TDM, which is an electronic process that combines multiple channels into a single, higher-speed channel by interleaving portions of each in a consistent manner over time-based private lines at high speed including DS-1, DS-3, OC-3, OC-12, OC-48 and OC-192. Currently the company has 6300 wireless route miles of completed network. | - |
| Sigalit Shavit | F | - | 5 years | |
| Noam Markfeld | M | - | 3 years | |
| Mike O’Malley | M | - | 2 years | |
| Greg Oconnor | M | 53 | - |
Statistics
| Country | Connections | % of total |
|---|---|---|
| United States | 54 | 73.97% |
| Israel | 18 | 24.66% |
| Belgium | 2 | 2.74% |
| Germany | 1 | 1.37% |
Age of Connections
Active
Past
Male
Female
Members of the board
Executives
Origin of connections
- Stock Market
- Insiders
- Dave Schaeffer
- Personal Network
