John Polstein

Active New York, NY — CEO for Mg Prep, Inc.

John Polstein Overview

John Polstein has been associated with ten companies, according to public records. The companies were formed over a thirty-seven year period with the most recent being incorporated three years ago in January of 2022. Two of the companies are still active while the remaining eight are now listed as inactive.

Background Report for John F. Polstein

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Name	Status	Incorporated	Key People	Role
Mg Prep, Inc.	Active	2002	18	CEO
Kaplan North America, LLC	Active	2021	14	CEO
Kaplan K12 Learning Services, LLC	Inactive	2006	36	Chairman
Df Institute, Inc.	Inactive	1985	42	President
Dev Bootcamp, Inc.	Inactive	2012	15	President
Kaplan Professional Holdings, Inc.	Inactive	1996	11	President
Kaplan Test Prep International, Inc.	Inactive	2002	2	President
Score! Educational Centers, Inc.	Inactive	1992	1	CEO
Kaplan, Inc.	Inactive	1985	45	Senior Vp
Mg Prep, LLC	Inactive	2018	1	Governing Person

Connections for John Polstein

A connection is made when two people are officers, directors, or otherwise associated with the same company. John has 104 known connections and has the most companies in common with Matthew Seelye.

Matthew C. Seelye

Matthew C. Seelye has the following companies in common with John Polstein

Name	Status	Incorporated	Key People	Role
M-----------.	Active	2002	18	Treasurer
K-----------------------C	Active	2021	14	CFO
D----------------.	Inactive	2012	15	Director
K----------.	Active	1985	45	NonTreas
K--------------------------------.	Inactive	1996	11	Treasurer
D----------------.	Inactive	1985	42	Treasurer
K-------------------------------C	Inactive	2006	36	Treasurer

Andrew S. Rosen

Andrew S. Rosen has the following companies in common with John Polstein

Name	Status	Incorporated	Key People	Role
M-----------.	Active	2002	18	Chairman
K-----------------------C	Active	2021	14	CEO
K----------------------------------.	Inactive	2002	2	President
D----------------.	Inactive	2012	15	Director
K----------.	Active	1985	45	Chief Executive Officer
D----------------.	Inactive	1985	42	Chairman

Janice L. Block

Janice L. Block has the following companies in common with John Polstein

Name	Status	Incorporated	Key People	Role
M-----------.	Active	2002	18	Director
D----------------.	Inactive	2012	15	Director
K----------.	Inactive	1985	45	Secretary
D----------------.	Inactive	1985	42	Secretary
K-------------------------------C	Inactive	2006	36	Secretary

Kevin Corser

Kevin Corser has the following companies in common with John Polstein

Name	Status	Incorporated	Key People	Role
M-----------.	Active	2002	18	Assistant Treasurer
K-----------------------C	Active	2021	14	Assistant Treasurer
K----------.	Inactive	1985	45	Assistant Treasurer
D----------------.	Active	1985	42	Manager
K-------------------------------C	Active	2006	36	Manager

Seelye Matthew C

Seelye Matthew C has the following companies in common with John Polstein

Name	Status	Incorporated	Key People	Role
D----------------.	Active	2012	15	Treasurer
K----------.	Active	1985	45	CEO
D----------------.	Active	1985	42	CEO
K-------------------------------C	Inactive	2006	36	Eo

Jeffrey L. Elie

Jeffrey L. Elie has the following companies in common with John Polstein

Name	Status	Incorporated	Key People	Role
M-----------.	Active	2002	18	Vice President
K----------.	Inactive	1985	45	Vice President
K--------------------------------.	Inactive	1996	11	Vice President
D----------------.	Inactive	1985	42	Vice President

Corser Kevin

Corser Kevin has the following companies in common with John Polstein

Name	Status	Incorporated	Key People	Role
D----------------.	Active	2012	15	Assistant Treasurer
K----------.	Active	1985	45	Assistant Treasurer
D----------------.	Active	1985	42	Assistant Treasurer
K-------------------------------C	Active	2006	36	Vice President &amp

Johan De Muinck Keizer

Johan De Muinck Keizer has the following companies in common with John Polstein

Name	Status	Incorporated	Key People	Role
M-----------.	Inactive	2002	18	Director
K----------.	Inactive	1985	45	Secretary
K--------------------------------.	Inactive	1996	11	Secretary
D----------------.	Inactive	1985	42	Director

Elie Jeffrey L

Elie Jeffrey L has the following companies in common with John Polstein

Name	Status	Incorporated	Key People	Role
K----------.	Active	1985	45	Vice President
D----------------.	Active	1985	42	Vice President
K-------------------------------C	Active	2006	36	Vice President - Rea

Pomonis Ashley

Pomonis Ashley has the following companies in common with John Polstein

Name	Status	Incorporated	Key People	Role
K----------.	Active	1985	45	Assistant Secretary
D----------------.	Active	1985	42	Assistant Secretary
K-------------------------------C	Active	2006	36	Secretary

Kummer Cherie

Kummer Cherie has the following companies in common with John Polstein

Name	Status	Incorporated	Key People	Role
K----------.	Active	1985	45	Vice President - Tax
D----------------.	Active	1985	42	Vice President - Tax
K-------------------------------C	Active	2006	36	Vice President, Tax

Jerry Dervin

Jerry Dervin has the following companies in common with John Polstein

Name	Status	Incorporated	Key People	Role
K-----------------------C	Inactive	2021	14	Governing Person
D----------------.	Inactive	1985	42	CFO
K-------------------------------C	Active	2006	36	Manager

Jeffrey Elie

Jeffrey Elie has the following companies in common with John Polstein

Name	Status	Incorporated	Key People	Role
K-----------------------C	Active	2021	14	Vice President
D----------------.	Active	1985	42	Manager
K-------------------------------C	Active	2006	36	Manager

Jennifer Friske

Jennifer Friske has the following companies in common with John Polstein

Name	Status	Incorporated	Key People	Role
K-----------------------C	Inactive	2021	14	Governing Person
D----------------.	Inactive	1985	42	Manager
K-------------------------------C	Active	2006	36	Manager

Gregory Marino

Gregory Marino has the following companies in common with John Polstein

Name	Status	Incorporated	Key People	Role
K-----------------------C	Inactive	2021	14	Governing Person
D----------------.	Active	1985	42	Manager
K-------------------------------C	Inactive	2006	36	Manager

Ashley Pomonis

Ashley Pomonis has the following companies in common with John Polstein

Name	Status	Incorporated	Key People	Role
K-----------------------C	Active	2021	14	Assistant Secretary
D----------------.	Active	1985	42	Manager
K-------------------------------C	Active	2006	36	Manager

Robert L. Lane

Robert L. Lane has the following companies in common with John Polstein

Name	Status	Incorporated	Key People	Role
K----------.	Inactive	1985	45	Senior Vp
K--------------------------------.	Inactive	1996	11	Treasurer
D----------------.	Inactive	1985	42	Treasurer

Christopher Neumann

Christopher Neumann has the following companies in common with John Polstein

Name	Status	Incorporated	Key People	Role
K----------.	Inactive	1985	45	Assistant Secretary
D----------------.	Inactive	1985	42	Assistant Secretary
K-------------------------------C	Inactive	2006	36	Governing Person