John F. Syburg
Founder at Blackthorne Partners Ltd.
Active connections
| Name | Gender | Age | Linked companies | Collaboration |
|---|---|---|---|---|
| Michael Haase | M | - |
Managecore LLC
 Managecore LLC Information Technology ServicesTechnology Services Managecore LLC provides SAP and IT managed services. It specializes in cloud / hosting services, project services and disaster recovery. The company was founded by Michael Haase and is headquartered in Franklin, WI. | 8 years |
| Kim Erdmann | M | - |
Schaefer Brush Manufacturing LLC
 Schaefer Brush Manufacturing LLC Miscellaneous ManufacturingProducer Manufacturing Schaefer Brush Manufacturing LLC manufactures industrial brushes and brush systems. It's products include accessories, channel and beam sweeps, chimney brushes, cylinder brushes, fitting, and tube brushes. The company was founded in 1905 and is headquartered in Waukesha, WI. | 8 years |
| Randy Schickert | M | - |
Berlon Industries LLC
 Berlon Industries LLC Trucks/Construction/Farm MachineryProducer Manufacturing Berlon Industries LLC manufactures buckets and attachments for skid loaders, telehandlers, and compact utility tractors. Its products include compact tractor, snow and light mat, scrap bucket, bag buster, tilt tach, tooth bars, rake tooth, bolt on cutting edge, hoses and couplers, grapple, bale handler, brush cutter, log splitter, caution tape, weight kits and skidsteer locks. The company was founded in 1937 and is headquartered in Hustisford, WI. | - |
| Larry E. Rittenberg | M | 78 |
University of Wisconsin
| 48 years |
| Timothy A. Nettesheim | M | 67 |
Managecore LLC
Managecore LLC Information Technology ServicesTechnology Services Managecore LLC provides SAP and IT managed services. It specializes in cloud / hosting services, project services and disaster recovery. The company was founded by Michael Haase and is headquartered in Franklin, WI. | 6 years |
| Steve Balistreri | M | - |
Blackthorne Partners Ltd.
 Blackthorne Partners Ltd. Investment ManagersFinance Blackthorne Partners Ltd. (Blackthorne Partners) is a private equity firm founded by John F. Syburg and Mark Robert Zellmer in 2006. The firm is headquartered in Mequon, Wisconsin. | 14 years |
| Steve Griep | M | - |
Berlon Industries LLC
Berlon Industries LLC Trucks/Construction/Farm MachineryProducer Manufacturing Berlon Industries LLC manufactures buckets and attachments for skid loaders, telehandlers, and compact utility tractors. Its products include compact tractor, snow and light mat, scrap bucket, bag buster, tilt tach, tooth bars, rake tooth, bolt on cutting edge, hoses and couplers, grapple, bale handler, brush cutter, log splitter, caution tape, weight kits and skidsteer locks. The company was founded in 1937 and is headquartered in Hustisford, WI. | - |
Connections Chart
Multi-company connection
Former connections
| Name | Gender | Age | Linked companies | Collaboration |
|---|---|---|---|---|
| Bernard Dion | M | - |
University of Wisconsin
| 4 years |
| George Michael Douglas | M | - |
University of Wisconsin
| 6 years |
| Ed Bohórquez | M | 77 |
University of Wisconsin
| 5 years |
| Michael B. Zemel | M | - |
University of Wisconsin
| 8 years |
| Maureen A. McGinnity | F | - |
University of Wisconsin
| 8 years |
| Jay Edwin van Cleave | M | 64 |
University of Wisconsin
| 5 years |
| Steven Frankel | M | - |
University of Wisconsin
| 5 years |
| Glenn H. Isensee | M | - |
University of Wisconsin
| 8 years |
| Tom Frisbie | M | 72 |
University of Wisconsin
| 6 years |
| Brian Gary Rafn | M | - |
University of Wisconsin
| 6 years |
| Pete Brey | M | 69 |
University of Wisconsin
| 4 years |
| Daniel Robert Chappie | M | - |
University of Wisconsin
| 4 years |
| Barrett L. Browning | M | - |
University of Wisconsin
| 8 years |
| John E. Carlson | M | - |
University of Wisconsin
| 5 years |
| Henry M. McMillan | M | - |
University of Wisconsin
| 3 years |
| Agus Mulyanto | M | 76 |
University of Wisconsin
| 5 years |
| Steve Alley | M | 71 |
University of Wisconsin
| 5 years |
| Mark Alexander Fedenia | M | - |
University of Wisconsin
| - |
| Jim Tatera | M | - |
University of Wisconsin
| 2 years |
| Paul Leff | M | - |
University of Wisconsin
| 5 years |
| Mike Reckmeyer | M | - |
University of Wisconsin
| 7 years |
| Tom Stevens | M | - |
University of Wisconsin
| 6 years |
| Richard Sneider | M | - |
University of Wisconsin
| 7 years |
| Steve Shlensky | M | - |
University of Wisconsin
| 7 years |
| Jan Janick | M | 65 |
University of Wisconsin
| - |
| Thomas Ng | M | - |
University of Wisconsin
| 5 years |
| John Harold Underwood | M | - |
University of Wisconsin
| 5 years |
| Dan Nickow | M | - |
University of Wisconsin
| 5 years |
| Khalid Hamad Al-Yahya | M | 65 |
University of Wisconsin
| 5 years |
| Kenneth Hanson Crawford | M | - |
University of Wisconsin
| 5 years |
| Raymond Hirsch | M | 76 |
University of Wisconsin
| 12 years |
| Phill Gross | M | - |
University of Wisconsin
| 5 years |
| Ann M. Murphy | F | - |
University of Wisconsin
| 7 years |
| James B. Boyd | M | 71 |
University of Wisconsin
| 6 years |
| Mark Robert Zellmer | M | - |
Blackthorne Partners Ltd.
Blackthorne Partners Ltd. Investment ManagersFinance Blackthorne Partners Ltd. (Blackthorne Partners) is a private equity firm founded by John F. Syburg and Mark Robert Zellmer in 2006. The firm is headquartered in Mequon, Wisconsin. | - |
| Abdulrahman Al-Ali | M | 71 |
University of Wisconsin
| 8 years |
| Carol Dahl | M | - |
University of Wisconsin
| 5 years |
| Kamarudin bin Mohamad Derom | M | 66 |
University of Wisconsin
| 4 years |
| Ralph H. Zee | M | - |
University of Wisconsin
| 3 years |
| Jeff Sweno | M | - |
University of Wisconsin
| 6 years |
| Narumol Wangsatorntanakun | F | 68 |
University of Wisconsin
| 3 years |
| Kerry S. Arent | F | - |
University of Wisconsin
| 4 years |
| Bruce R. Gilbert | M | - |
University of Wisconsin
| 4 years |
| Diane L. Ford | F | 70 |
University of Wisconsin
| 2 years |
| Francis Lim | M | 66 |
University of Wisconsin
| 4 years |
| John Patrick Genn | M | 67 |
University of Wisconsin
| 4 years |
| Marci A. Lorge | F | - |
University of Wisconsin
| 4 years |
| Hans Kristian Rød | M | 71 |
University of Wisconsin
| 2 years |
| Gregg E. Lawry | M | - |
University of Wisconsin
| 4 years |
| Anil Bhaskar Chaudhary | M | - |
University of Wisconsin
| 1 years |
| Henry L. Barrett | M | - |
University of Wisconsin
| 2 years |
| Karl Reeb | M | - |
University of Wisconsin
| 4 years |
| Steven Dischler | M | 65 |
University of Wisconsin
| 4 years |
| Gary Gigante | M | - |
University of Wisconsin
| 4 years |
| Mattar Al-Tayer | M | 66 |
University of Wisconsin
| 6 years |
| Norman Doll | M | - |
University of Wisconsin
| 4 years |
| Jerry Steiner | M | - |
University of Wisconsin
| 3 years |
| Al Verkuylen | M | - |
University of Wisconsin
| 4 years |
| Kent Haeger | M | - |
University of Wisconsin
| 4 years |
| Roland J. Parker | M | - |
University of Wisconsin
| 5 years |
| Mike S. Shannon | M | 65 |
University of Wisconsin
| 4 years |
| Glenn J. Heiar | M | 64 |
University of Wisconsin
| 4 years |
| Theodore C. Feierstein | M | 66 |
University of Wisconsin
| 4 years |
| Thomas Iwanski | M | 66 |
University of Wisconsin
| 4 years |
| Thomas Falk | M | 65 |
University of Wisconsin
| 4 years |
| John A. Skolas | M | 71 |
University of Wisconsin
| 3 years |
| Ronald Cline | M | 77 |
University of Wisconsin
| 2 years |
| Paul J. Peckosh | M | 78 |
University of Wisconsin
| 4 years |
| Marc Joseph Dion | M | - |
University of Wisconsin
| 4 years |
| Marilyn Holt-Smith | F | - |
University of Wisconsin
| 2 years |
| Robert Bruce Corman | M | - |
University of Wisconsin
| 4 years |
| Michael Blair Widmer | M | 76 |
University of Wisconsin
| 3 years |
| Mike Roth | M | - |
University of Wisconsin
| 4 years |
| Mike Flesch | M | 66 |
University of Wisconsin
| 4 years |
| Steve M. Ashley | M | - |
University of Wisconsin
| 4 years |
| William Schultz | M | - |
University of Wisconsin
| 1 years |
| Greg Pearson | M | 63 |
University of Wisconsin
| 4 years |
| Bruce J. Bal | M | 59 |
University of Wisconsin
| 4 years |
| Peter Elenius | M | - |
University of Wisconsin
| 4 years |
| Lars Christian Pallesen | M | 76 |
University of Wisconsin
| 3 years |
| Laurie J. Parsons | F | - |
University of Wisconsin
| 4 years |
| Daniel Joseph Piette | M | 67 |
University of Wisconsin
| 4 years |
| David G. Bills | M | 63 |
University of Wisconsin
| 4 years |
| Helmut Walter Hampel | M | - |
University of Wisconsin
| 4 years |
| Bill S. Wisialowski | M | - |
University of Wisconsin
| 3 years |
| Mary J. Shea | F | 68 |
University of Wisconsin
| 4 years |
| Jane E. Louden | F | - |
University of Wisconsin
| 4 years |
| Zachary J. Meyer | M | - |
University of Wisconsin
| 4 years |
| Ben B. James | M | - |
University of Wisconsin
| 4 years |
| Charles Merinoff | M | - |
University of Wisconsin
| 4 years |
| Benedikt Jóhannesson | M | 69 |
University of Wisconsin
| 4 years |
| Jon R. Vanderploeg | M | - |
University of Wisconsin
| 4 years |
| Brian Appel | M | - |
University of Wisconsin
| 4 years |
Statistics
| Country | Connections | % of total |
|---|---|---|
| United States | 100 | 100.00% |
Age of Connections
Active
Past
Male
Female
Members of the board
Executives
Origin of connections
- Stock Market
- Insiders
- John F. Syburg
- Personal Network
