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Jonathan Fenster
Active Pompano Beach, FL — COO for Sincerus Florida, LLC
Jonathan Fenster Overview
Jonathan Fenster has been associated with six companies, according to public records. The companies were formed over a seven year period with the most recent being incorporated four years ago in March of 2022. Four of the companies are still active while the remaining two are now listed as inactive.
Background Report for Jonathan Fenster
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Companies for Jonathan Fenster
| Name | Status | Incorporated | Key People | Role |
|---|---|---|---|---|
| Sincerus Florida, LLC |
Active
|
2015 |
5
|
COO
|
| Sincerus Pharmaceuticals, Inc. |
Active
|
2018 |
2
|
Officer
|
| Prescriber's Choice, LLC |
Active
|
2019 |
3
|
COO
|
| Sknvcare, LLC |
Active
|
2022 |
2
|
COO
|
| PC Operations LLC |
Inactive
|
2015 |
6
|
COO
|
| Prescriber's Choice, Inc. |
Inactive
|
2017 |
4
|
COO
|
Connections for Jonathan Fenster
A connection is made when two people are officers, directors, or otherwise associated with the same company. Jonathan has seven known connections and has the most companies in common with Spencer Malkin.
5
Spencer J. Malkin has the following companies in common with Jonathan Fenster
| Name | Status | Incorporated | Key People | Role |
|---|---|---|---|---|
| S-------------------C |
Active
|
2015 |
5
|
President
|
| S----------------------------. |
Active
|
2018 |
2
|
Chairman
|
| S-----------C |
Active
|
2022 |
2
|
CEO
|
| P-----------------------. |
Inactive
|
2017 |
4
|
CEO
|
| P---------------C |
Inactive
|
2015 |
6
|
Manager
|
2
Alex Chervinsky has the following companies in common with Jonathan Fenster
| Name | Status | Incorporated | Key People | Role |
|---|---|---|---|---|
| S-------------------C |
Inactive
|
2015 |
5
|
President
|
| P---------------C |
Inactive
|
2015 |
6
|
President
|
2
Marc Poirier has the following companies in common with Jonathan Fenster
| Name | Status | Incorporated | Key People | Role |
|---|---|---|---|---|
| S-------------------C |
Inactive
|
2015 |
5
|
CFO
|
| P---------------C |
Inactive
|
2015 |
6
|
CFO
|
2
Martin Schmieg has the following companies in common with Jonathan Fenster
| Name | Status | Incorporated | Key People | Role |
|---|---|---|---|---|
| S-------------------C |
Inactive
|
2015 |
5
|
CFO
|
| P---------------C |
Inactive
|
2015 |
6
|
CFO
|
1
David Vinnikov has the following companies in common with Jonathan Fenster
| Name | Status | Incorporated | Key People | Role |
|---|---|---|---|---|
| P----------------------C |
Active
|
2019 |
3
|
1
Barret Malkin has the following companies in common with Jonathan Fenster
| Name | Status | Incorporated | Key People | Role |
|---|---|---|---|---|
| P-----------------------. |
Inactive
|
2017 |
4
|
Director
|
1
L. Jack Staley has the following companies in common with Jonathan Fenster
| Name | Status | Incorporated | Key People | Role |
|---|---|---|---|---|
| P-----------------------. |
Inactive
|
2017 |
4
|
Director
|
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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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