David Lehmann
Director/Board Member at Upaid Systems Ltd.
Active connections
| Name | Gender | Age | Linked companies | Collaboration |
|---|---|---|---|---|
| Simon Joyce | M | - |
Upaid Systems Ltd.
 Upaid Systems Ltd. Specialty TelecommunicationsCommunications Upaid Systems Ltd. provides mobile payment solutions including recharge of prepaid account through short message service (SMS), electronic bill payment, and billing for mobile content. Its clients include merchants, banks, and the telecommunication industries. The company was founded by Simon Joyce in 1997 and is headquartered in London, the United Kingdom. | 27 years |
| Annelies van Velzen | F | - |
Upaid Systems Ltd.
Upaid Systems Ltd. Specialty TelecommunicationsCommunications Upaid Systems Ltd. provides mobile payment solutions including recharge of prepaid account through short message service (SMS), electronic bill payment, and billing for mobile content. Its clients include merchants, banks, and the telecommunication industries. The company was founded by Simon Joyce in 1997 and is headquartered in London, the United Kingdom. | 25 years |
| Stephen Gibb | M | - |
Upaid Systems Ltd.
Upaid Systems Ltd. Specialty TelecommunicationsCommunications Upaid Systems Ltd. provides mobile payment solutions including recharge of prepaid account through short message service (SMS), electronic bill payment, and billing for mobile content. Its clients include merchants, banks, and the telecommunication industries. The company was founded by Simon Joyce in 1997 and is headquartered in London, the United Kingdom. | - |
| Pat Nunally | M | - |
Upaid Systems Ltd.
Upaid Systems Ltd. Specialty TelecommunicationsCommunications Upaid Systems Ltd. provides mobile payment solutions including recharge of prepaid account through short message service (SMS), electronic bill payment, and billing for mobile content. Its clients include merchants, banks, and the telecommunication industries. The company was founded by Simon Joyce in 1997 and is headquartered in London, the United Kingdom. | - |
| Paul Weinstein | M | - |
Upaid Systems Ltd.
Upaid Systems Ltd. Specialty TelecommunicationsCommunications Upaid Systems Ltd. provides mobile payment solutions including recharge of prepaid account through short message service (SMS), electronic bill payment, and billing for mobile content. Its clients include merchants, banks, and the telecommunication industries. The company was founded by Simon Joyce in 1997 and is headquartered in London, the United Kingdom. | - |
| Brad Foster | M | - |
Upaid Systems Ltd.
Upaid Systems Ltd. Specialty TelecommunicationsCommunications Upaid Systems Ltd. provides mobile payment solutions including recharge of prepaid account through short message service (SMS), electronic bill payment, and billing for mobile content. Its clients include merchants, banks, and the telecommunication industries. The company was founded by Simon Joyce in 1997 and is headquartered in London, the United Kingdom. | - |
Connections Chart
Multi-company connection
Former connections
| Name | Gender | Age | Linked companies | Collaboration |
|---|---|---|---|---|
| Frank P. Lally | M | - |
Knight Equity Markets LP
 Knight Equity Markets LP Investment Banks/BrokersFinance Founded in 1995, Knight Equity Markets LP is a broker/dealer located in Jersey City, New Jersey. The firm is a subsidiary of Knight Capital Group, Inc. (NYSE Euronext: KCG), a leading market maker providing liquidity both on- and off-exchange in US and European equities, options and foreign exchange. Knight Equity Markets provides a full array of trading and execution services for their clients. They do not provide any internal research | 4 years |
| Thomas Michael Joyce | M | 69 |
Knight Equity Markets LP
Knight Equity Markets LP Investment Banks/BrokersFinance Founded in 1995, Knight Equity Markets LP is a broker/dealer located in Jersey City, New Jersey. The firm is a subsidiary of Knight Capital Group, Inc. (NYSE Euronext: KCG), a leading market maker providing liquidity both on- and off-exchange in US and European equities, options and foreign exchange. Knight Equity Markets provides a full array of trading and execution services for their clients. They do not provide any internal research | 10 years |
| Lawrence D. Levin | M | - |
University of Illinois
| 8 years |
| In-Joon Kim | M | 75 |
The Trustees of Columbia University in The City of New York
| 7 years |
| Jason S. Steigman | M | - |
University of Illinois
| 5 years |
| Jy-ber Lee | M | 69 |
University of Illinois
| 5 years |
| Douglas E. Scott | M | 67 |
University of Illinois
| 6 years |
| Karl S. Okamoto | M | 61 |
The Trustees of Columbia University in The City of New York
| 7 years |
| Hugh A. Abrams | M | - |
University of Illinois
| 6 years |
| Mark S. Albert | M | - |
University of Illinois
| 4 years |
| Haris Basit | M | 63 |
University of Illinois
| 6 years |
| Praveen Krishna Mehrotra | M | - |
The Trustees of Columbia University in The City of New York
| 5 years |
| John F. Doorish | M | - |
The Trustees of Columbia University in The City of New York
| 4 years |
| Jamil M. Nazarali | M | - |
Knight Equity Markets LP
Knight Equity Markets LP Investment Banks/BrokersFinance Founded in 1995, Knight Equity Markets LP is a broker/dealer located in Jersey City, New Jersey. The firm is a subsidiary of Knight Capital Group, Inc. (NYSE Euronext: KCG), a leading market maker providing liquidity both on- and off-exchange in US and European equities, options and foreign exchange. Knight Equity Markets provides a full array of trading and execution services for their clients. They do not provide any internal research | - |
| Rene L. Cruz | M | - |
University of Illinois
| 8 years |
| Kyle Loudermilk | M | - |
The Trustees of Columbia University in The City of New York
| 5 years |
| Gregory Kazarian | M | 61 |
University of Illinois
| 8 years |
| Jay B. Horowitz | M | - |
The Trustees of Columbia University in The City of New York
| 4 years |
| Daniel R. Kastholm | M | - |
University of Illinois
| 6 years |
| Mark Wdowik | M | - |
University of Illinois
| 5 years |
| Kenneth M. Lies | M | - |
University of Illinois
| 6 years |
| Kee Yu Tak | M | - |
The Trustees of Columbia University in The City of New York
| 3 years |
| Joseph Carmine Mazzella | M | 57 |
Knight Equity Markets LP
Knight Equity Markets LP Investment Banks/BrokersFinance Founded in 1995, Knight Equity Markets LP is a broker/dealer located in Jersey City, New Jersey. The firm is a subsidiary of Knight Capital Group, Inc. (NYSE Euronext: KCG), a leading market maker providing liquidity both on- and off-exchange in US and European equities, options and foreign exchange. Knight Equity Markets provides a full array of trading and execution services for their clients. They do not provide any internal research | 9 years |
| Mark Clark | M | - |
University of Illinois
| 6 years |
| Jim E. Quinn | M | - |
University of Illinois
| 6 years |
| Joe Geagea | M | 64 |
University of Illinois
| 5 years |
| Rick George | M | - |
University of Illinois
| 9 years |
| Duke S. Shin | M | - |
The Trustees of Columbia University in The City of New York
| 4 years |
| Wei Long Lee | M | 76 |
University of Illinois
| 3 years |
| James Stone | M | - |
The Trustees of Columbia University in The City of New York
| 10 years |
| Jerry Stevens | M | - |
University of Illinois
| 4 years |
| Ho-Yeong Kim | M | 75 |
University of Illinois
| 3 years |
| Jui Lim | M | - |
The Trustees of Columbia University in The City of New York
| 8 years |
| F. Javier Cevallos | M | - |
University of Illinois
| 7 years |
| Max Holmes | M | - |
The Trustees of Columbia University in The City of New York
| 3 years |
| Nasser S. Barghouti | M | 60 |
The Trustees of Columbia University in The City of New York
| 6 years |
| Brian T. Schinderle | M | - |
University of Illinois
| 4 years |
| Mitch Kovitz | M | - |
University of Illinois
| 5 years |
| Sumantri Slamet | M | 70 |
University of Illinois
| 3 years |
| Nardin L. Baker | M | - |
University of Illinois
| 6 years |
| Margaret E. Wyrwas | F | - |
Knight Equity Markets LP
Knight Equity Markets LP Investment Banks/BrokersFinance Founded in 1995, Knight Equity Markets LP is a broker/dealer located in Jersey City, New Jersey. The firm is a subsidiary of Knight Capital Group, Inc. (NYSE Euronext: KCG), a leading market maker providing liquidity both on- and off-exchange in US and European equities, options and foreign exchange. Knight Equity Markets provides a full array of trading and execution services for their clients. They do not provide any internal research | - |
| Willie E. Dennis | M | - |
The Trustees of Columbia University in The City of New York
| 8 years |
| Orrin J. Edidin | M | 63 |
University of Illinois
| 7 years |
| Larry Rakers | M | 61 |
University of Illinois
| 6 years |
| Douglas Lindgren | M | - |
The Trustees of Columbia University in The City of New York
| 7 years |
| E. Walter van Valkenburg | M | - |
The Trustees of Columbia University in The City of New York
| 3 years |
| Jon Erickson | M | 58 |
University of Illinois
| 6 years |
| Christopher McCarthy | M | - |
The Trustees of Columbia University in The City of New York
| 4 years |
| John Demoleas | M | 64 |
The Trustees of Columbia University in The City of New York
| 4 years |
| Edward A. Bugniazet | M | - |
Knight Equity Markets LP
Knight Equity Markets LP Investment Banks/BrokersFinance Founded in 1995, Knight Equity Markets LP is a broker/dealer located in Jersey City, New Jersey. The firm is a subsidiary of Knight Capital Group, Inc. (NYSE Euronext: KCG), a leading market maker providing liquidity both on- and off-exchange in US and European equities, options and foreign exchange. Knight Equity Markets provides a full array of trading and execution services for their clients. They do not provide any internal research | 5 years |
| Glen R. Stein | M | - |
The Trustees of Columbia University in The City of New York
| 3 years |
| Roger Matthew Lob | M | 64 |
The Trustees of Columbia University in The City of New York
| 2 years |
| Jaiye Oyedotun | M | - |
The Trustees of Columbia University in The City of New York
| 3 years |
| Jane F. Golden | F | - |
The Trustees of Columbia University in The City of New York
| 3 years |
| Wayne B. Stoltenberg | M | 56 |
The Trustees of Columbia University in The City of New York
| 4 years |
| Karl Erik Wenngren | M | 65 |
The Trustees of Columbia University in The City of New York
| 2 years |
| Garth B. Jensen | M | - |
The Trustees of Columbia University in The City of New York
| 3 years |
| Paul Simon Schapira | M | 60 |
The Trustees of Columbia University in The City of New York
| 4 years |
| Eli Il Yong Lee | M | - |
The Trustees of Columbia University in The City of New York
| 4 years |
| Steven B. Chulik | M | - |
The Trustees of Columbia University in The City of New York
| 4 years |
| Christopher Young | M | 55 |
The Trustees of Columbia University in The City of New York
| 4 years |
| Amy C. Bass | F | - |
The Trustees of Columbia University in The City of New York
| 3 years |
| Richard Rothberg | M | 60 |
The Trustees of Columbia University in The City of New York
| 3 years |
| Ben Horowitz | M | 57 |
The Trustees of Columbia University in The City of New York
| 4 years |
| Craig Lloyd Chodash | M | - |
The Trustees of Columbia University in The City of New York
| 4 years |
| Louise Costikyan | F | - |
The Trustees of Columbia University in The City of New York
| 2 years |
| Xin-Yuan Fu | M | - |
The Trustees of Columbia University in The City of New York
| 3 years |
| Chris Oberbeck | M | 63 |
The Trustees of Columbia University in The City of New York
| 2 years |
| Zev Sohn | M | - |
The Trustees of Columbia University in The City of New York
| 3 years |
| Bradley Miller | M | - |
The Trustees of Columbia University in The City of New York
| 2 years |
| J. Stephen Zielezienski | M | - |
The Trustees of Columbia University in The City of New York
| 4 years |
| Bruce Kasman | M | - |
The Trustees of Columbia University in The City of New York
| 3 years |
| Kenneth A. Buckfire | M | - |
The Trustees of Columbia University in The City of New York
| 2 years |
| Steven E. Bizar | M | - |
The Trustees of Columbia University in The City of New York
| 3 years |
| David Berliner | M | - |
The Trustees of Columbia University in The City of New York
| 3 years |
| Yoko Hokari Sakai | F | - |
The Trustees of Columbia University in The City of New York
| 3 years |
| Fowad Moiz Sheikh | M | - |
The Trustees of Columbia University in The City of New York
| 3 years |
| Michael Purves | M | - |
The Trustees of Columbia University in The City of New York
| 4 years |
| Stewart Kantor | M | 62 |
The Trustees of Columbia University in The City of New York
| 4 years |
| Sally Corning | F | - |
The Trustees of Columbia University in The City of New York
| 2 years |
| Brian V. Caid | M | - |
The Trustees of Columbia University in The City of New York
| 3 years |
| Richard J. Ragoza | M | - |
The Trustees of Columbia University in The City of New York
| 3 years |
| David Yuen | M | - |
The Trustees of Columbia University in The City of New York
| 4 years |
| James S. Kwiatkowski | M | 60 |
The Trustees of Columbia University in The City of New York
| 4 years |
| Cengiz Selman | M | - |
The Trustees of Columbia University in The City of New York
| 2 years |
| Bryan Evans Gordon | M | - |
The Trustees of Columbia University in The City of New York
| 2 years |
| Luís Manuel Moreira de Campos e Cunha | M | 70 |
The Trustees of Columbia University in The City of New York
| - |
| Daniela Weber-Rey | F | 66 |
The Trustees of Columbia University in The City of New York
| 3 years |
| Isaac Hughes Green | M | - |
The Trustees of Columbia University in The City of New York
| 2 years |
| David R. High | M | - |
The Trustees of Columbia University in The City of New York
| 3 years |
| Ed Maguire | M | - |
The Trustees of Columbia University in The City of New York
| 4 years |
| Petros Christodoulou | M | 64 |
The Trustees of Columbia University in The City of New York
| 2 years |
| Roger K. Neustadt | M | - |
The Trustees of Columbia University in The City of New York
| 4 years |
| Kalpendu Shastri | M | - |
The Trustees of Columbia University in The City of New York
| 3 years |
Statistics
| Country | Connections | % of total |
|---|---|---|
| United States | 94 | 94.00% |
| United Kingdom | 6 | 6.00% |
Age of Connections
Active
Past
Male
Female
Members of the board
Executives
Origin of connections
- Stock Market
- Insiders
- David Lehmann
- Personal Network
