Debra Griewahn

Active Chicago, IL — CFO for Northern Trust Securities, Inc.

Debra Griewahn Overview

Debra Griewahn is currently associated with one company, according to public records. The company was incorporated in Florida, Texas, California, Nevada, and New York forty-one years ago.

Background Report for Debra Griewahn

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Name	Status	Incorporated	Key People	Role
Northern Trust Securities, Inc.	Active	1984	34	CFO

Connections for Debra Griewahn

A connection is made when two people are officers, directors, or otherwise associated with the same company. Debra has thirty-three known connections and has the most companies in common with Julia Ali.

Julia Ali

Julia Ali has the following companies in common with Debra Griewahn

Name	Status	Incorporated	Key People	Role
N-----------------------------.	Active	1984	34	COO

David C. Blowers

David C. Blowers has the following companies in common with Debra Griewahn

Name	Status	Incorporated	Key People	Role
N-----------------------------.	Active	1984	34	Director

Stacey Bolton

Stacey Bolton has the following companies in common with Debra Griewahn

Name	Status	Incorporated	Key People	Role
N-----------------------------.	Active	1984	34

Ryan D. Burns

Ryan D. Burns has the following companies in common with Debra Griewahn

Name	Status	Incorporated	Key People	Role
N-----------------------------.	Active	1984	34	Director

Craig R. Carberry

Craig R. Carberry has the following companies in common with Debra Griewahn

Name	Status	Incorporated	Key People	Role
N-----------------------------.	Active	1984	34	Secretary

Jon Cherry

Jon Cherry has the following companies in common with Debra Griewahn

Name	Status	Incorporated	Key People	Role
N-----------------------------.	Active	1984	34	President

Katherine T. Ellis

Katherine T. Ellis has the following companies in common with Debra Griewahn

Name	Status	Incorporated	Key People	Role
N-----------------------------.	Active	1984	34	Director

David S. Kempers

David S. Kempers has the following companies in common with Debra Griewahn

Name	Status	Incorporated	Key People	Role
N-----------------------------.	Active	1984	34	NonSec

Carl Lingenfelter

Carl Lingenfelter has the following companies in common with Debra Griewahn

Name	Status	Incorporated	Key People	Role
N-----------------------------.	Active	1984	34	Director

Lyle Logan

Lyle Logan has the following companies in common with Debra Griewahn

Name	Status	Incorporated	Key People	Role
N-----------------------------.	Active	1984	34	Director

Wendy A. Mausolf

Wendy A. Mausolf has the following companies in common with Debra Griewahn

Name	Status	Incorporated	Key People	Role
N-----------------------------.	Active	1984	34

Kristin Missil

Kristin Missil has the following companies in common with Debra Griewahn

Name	Status	Incorporated	Key People	Role
N-----------------------------.	Active	1984	34	CFO

Claire R. Norman

Claire R. Norman has the following companies in common with Debra Griewahn

Name	Status	Incorporated	Key People	Role
N-----------------------------.	Active	1984	34

Melanie Pickett

Melanie Pickett has the following companies in common with Debra Griewahn

Name	Status	Incorporated	Key People	Role
N-----------------------------.	Active	1984	34	Director

Anna Ranaldi

Anna Ranaldi has the following companies in common with Debra Griewahn

Name	Status	Incorporated	Key People	Role
N-----------------------------.	Active	1984	34	President

Michael Schwaeber

Michael Schwaeber has the following companies in common with Debra Griewahn

Name	Status	Incorporated	Key People	Role
N-----------------------------.	Active	1984	34	NonTreas

Robin L. Tardy

Robin L. Tardy has the following companies in common with Debra Griewahn

Name	Status	Incorporated	Key People	Role
N-----------------------------.	Active	1984	34	Director

Shundrawn Thomas

Shundrawn Thomas has the following companies in common with Debra Griewahn

Name	Status	Incorporated	Key People	Role
N-----------------------------.	Active	1984	34	NonDir

Mitch B. Thornton

Mitch B. Thornton has the following companies in common with Debra Griewahn

Name	Status	Incorporated	Key People	Role
N-----------------------------.	Active	1984	34	Director

Michael A. Vardas

Michael A. Vardas has the following companies in common with Debra Griewahn

Name	Status	Incorporated	Key People	Role
N-----------------------------.	Active	1984	34	Chief Executive Officer

Sources

Florida Department of State
Data last refreshed on Monday, April 6, 2026

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

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Debra Griewahn

Active Chicago, IL — CFO for Northern Trust Securities, Inc.

Debra Griewahn Overview

Background Report for Debra Griewahn

Companies for Debra Griewahn

Connections for Debra Griewahn

Sources

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