John Chang

Active Washington, DC — Vice President for Cogent Communications of Florida Lhc, Inc.

John Chang Overview

John Chang is currently associated with four companies, according to public records. The companies were formed over a nineteen year period with the most recent being incorporated seven years ago in July of 2019. All companies are still active.

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Name	Status	Incorporated	Key People	Role
Cogent Communications of South East, Inc.	Active	2000	11	Vice President
Cogent Communications of Florida Lhc, Inc.	Active	1999	8	Vice President
Cogent Communications of Texas Usa, Inc.	Active	2019	6	Vp
Cogent Communications, Inc.	Active	2000	16	VP & CLO

Connections for John Chang

A connection is made when two people are officers, directors, or otherwise associated with the same company. John has nineteen known connections and has the most companies in common with Jana Kaidy.

Jana Kaidy

Jana Kaidy has the following companies in common with John Chang

Name	Status	Incorporated	Key People	Role
C----------------------------------------.	Inactive	1999	8	Treasurer
C---------------------------------------.	Inactive	2000	11	Treasurer
C-------------------------.	Active	2000	16	NonSec
C--------------------------------------.	Active	2019	6	Assistant Secretary

David Schaeffer

David Schaeffer has the following companies in common with John Chang

Name	Status	Incorporated	Key People	Role
C----------------------------------------.	Active	1999	8	President
C---------------------------------------.	Active	2000	11	President
C-------------------------.	Active	2000	16	President
C--------------------------------------.	Active	2019	6	President

Sean R. Wallace

Sean R. Wallace has the following companies in common with John Chang

Name	Status	Incorporated	Key People	Role
C----------------------------------------.	Inactive	1999	8	Vice President
C---------------------------------------.	Inactive	2000	11	Vice President
C-------------------------.	Active	2000	16	Treasurer
C--------------------------------------.	Active	2019	6	VP, CFO, Treasurer

Robert Bowman

Robert Bowman has the following companies in common with John Chang

Name	Status	Incorporated	Key People	Role
C----------------------------------------.	Active	1999	8	Treasurer
C-------------------------.	Active	2000	16	Assistant Secretary
C--------------------------------------.	Active	2019	6	Assistant Secretary

Ried Zulager

Ried Zulager has the following companies in common with John Chang

Name	Status	Incorporated	Key People	Role
C----------------------------------------.	Active	1999	8	Secretary
C---------------------------------------.	Active	2000	11	Secretary
C-------------------------.	Active	2000	16	Secretary

Robert N. Beury

Robert N. Beury has the following companies in common with John Chang

Name	Status	Incorporated	Key People	Role
C----------------------------------------.	Inactive	1999	8	Vice President
C---------------------------------------.	Inactive	2000	11	Vice President
C-------------------------.	Inactive	2000	16	Vice President

Bryant Banks

Bryant Banks has the following companies in common with John Chang

Name	Status	Incorporated	Key People	Role
C---------------------------------------.	Active	2000	11	Vice President
C-------------------------.	Active	2000	16	Vice Presi

James Bubeck

James Bubeck has the following companies in common with John Chang

Name	Status	Incorporated	Key People	Role
C---------------------------------------.	Active	2000	11	Vice President
C-------------------------.	Active	2000	16	Vp

Tad Weed

Tad Weed has the following companies in common with John Chang

Name	Status	Incorporated	Key People	Role
C----------------------------------------.	Active	1999	8	Vice President
C---------------------------------------.	Active	2000	11	Vice President

Thaddeus G. Weed

Thaddeus G. Weed has the following companies in common with John Chang

Name	Status	Incorporated	Key People	Role
C-------------------------.	Active	2000	16	NonTreas

Ried Zulager

Ried Zulager has the following companies in common with John Chang

Name	Status	Incorporated	Key People	Role
C--------------------------------------.	Active	2019	6	Secretary

Bryans Banes

Bryans Banes has the following companies in common with John Chang

Name	Status	Incorporated	Key People	Role
C-------------------------.	Inactive	2000	16	Vice President

Reed Harrison

Reed Harrison has the following companies in common with John Chang

Name	Status	Incorporated	Key People	Role
C-------------------------.	Inactive	2000	16	President

Jeffrey Karnes

Jeffrey Karnes has the following companies in common with John Chang

Name	Status	Incorporated	Key People	Role
C-------------------------.	Inactive	2000	16	Treasurer

Zulager Ried

Zulager Ried has the following companies in common with John Chang

Name	Status	Incorporated	Key People	Role
C---------------------------------------.	Inactive	2000	11	Secretary

Andrew Ritwo

Andrew Ritwo has the following companies in common with John Chang

Name	Status	Incorporated	Key People	Role
C---------------------------------------.	Inactive	2000	11	Vice President

David Scheffer

David Scheffer has the following companies in common with John Chang

Name	Status	Incorporated	Key People	Role
C-------------------------.	Inactive	2000	16	Director

Chadoues Weed

Chadoues Weed has the following companies in common with John Chang

Name	Status	Incorporated	Key People	Role
C-------------------------.	Inactive	2000	16	Treasurer

Teaddeus Weed

Teaddeus Weed has the following companies in common with John Chang

Name	Status	Incorporated	Key People	Role
C-------------------------.	Inactive	2000	16	Treasurer

Sources

Florida Department of State
Data last refreshed on Friday, July 10, 2026

Texas Secretary of State
Data last refreshed on Saturday, March 2, 2024

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John Chang

Active Washington, DC — Vice President for Cogent Communications of Florida Lhc, Inc.

John Chang Overview

Background Report for John Chang

Companies for John Chang

Connections for John Chang

Sources

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