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John Gannon
Archived Record Boca Raton, FL — Previous President for Advent Management Corporation
John Gannon Overview
John Gannon has been associated with seven companies, according to public records. The companies were formed over a twenty-four year period with the most recent being incorporated ten years ago in July of 2015. Zero of the companies are still active while the remaining seven are now listed as inactive.
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Companies for John Gannon
| Name | Status | Incorporated | Key People | Role |
|---|---|---|---|---|
| Advent Management Corporation |
Inactive
|
1995 |
5
|
President
|
| Sphere Industries, Inc. |
Inactive
|
1990 |
3
|
President
|
| Crossroads Advisors, Inc. |
Inactive
|
2006 |
2
|
President
|
| Tivus Inc. |
Inactive
|
2015 |
1
|
President
|
| Thrust Wireless LLC |
Inactive
|
2006 |
2
|
Manager
|
| Greenway Associates, Inc. |
Inactive
|
1998 |
2
|
Director
|
| Greenway Village, Inc. |
Inactive
|
1998 |
2
|
Director
|
Connections for John Gannon
A connection is made when two people are officers, directors, or otherwise associated with the same company. John has seven known connections and has the most companies in common with William Gannon.
2
Linda Burr has the following companies in common with John Gannon
| Name | Status | Incorporated | Key People | Role |
|---|---|---|---|---|
| G-----------------------. |
Inactive
|
1998 |
2
|
Director
|
| G--------------------. |
Inactive
|
1998 |
2
|
Director
|
2
Mary Gannon has the following companies in common with John Gannon
| Name | Status | Incorporated | Key People | Role |
|---|---|---|---|---|
| A---------------------------n |
Inactive
|
1995 |
5
|
Vice President
|
| C-----------------------. |
Inactive
|
2006 |
2
|
Vice President
|
2
Christopher J. Kyricos has the following companies in common with John Gannon
| Name | Status | Incorporated | Key People | Role |
|---|---|---|---|---|
| A---------------------------n |
Inactive
|
1995 |
5
|
President
|
| T-----------------C |
Inactive
|
2006 |
2
|
Manager
|
1
William F. Gannon has the following companies in common with John Gannon
| Name | Status | Incorporated | Key People | Role |
|---|---|---|---|---|
| A---------------------------n |
Active
|
1995 |
5
|
Vice President
|
1
John L. Jerema has the following companies in common with John Gannon
| Name | Status | Incorporated | Key People | Role |
|---|---|---|---|---|
| A---------------------------n |
Active
|
1995 |
5
|
President
|
1
John D. Gileadi has the following companies in common with John Gannon
| Name | Status | Incorporated | Key People | Role |
|---|---|---|---|---|
| S---------------------. |
Inactive
|
1990 |
3
|
Director
|
1
Leonard D. Wallace has the following companies in common with John Gannon
| Name | Status | Incorporated | Key People | Role |
|---|---|---|---|---|
| S---------------------. |
Inactive
|
1990 |
3
|
Chairman
|
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Source
Florida Department of State
Data last refreshed on Monday, April 6, 2026
Data last refreshed on Monday, April 6, 2026
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