Brian Tierney

Brian Tierney

Chief Executive Officer at FIRSTENERGY CORP.

Net worth: 8 M $ as of 2024-03-30

57 year
Utilities
Consumer Services
Commercial Services

Network origin in Brian Tierney first degree

EntityEntity typeIndustry
501
Non-Profit Organization Miscellaneous Commercial Services 501
Public Company Electric Utilities 107
102
Operating Division Investment Managers 102
Public Company Electric Utilities 32
Energy Insurance Mutual Ltd. Co.
15
Private Company 15
9
Subsidiary Electric Utilities 9
8
Holding Company Other Transportation 8
7
Subsidiary Alternative Power Generation 7
5
Subsidiary Engineering & Construction 5
4
Private Company Trucks/Construction/Farm Machinery 4
4
Subsidiary Investment Banks/Brokers 4
1
Non-Profit Organization Electric Utilities 1

Chart of Companies connected to the second degree

Multi-company connection

Companies connected to Brian Tierney via their personal network

CompanySectorRelated peopleMain position
Electric Utilities

Holly Koeppel

Joseph Buonaiuto

Benjamin Fowke

Stephen Smith

D. Michael Miller

Michael Morris

Susan Tomasky

Charles Patton

Nicholas Akins

Dennis E. Welch

David Feinberg

Mark McCullough

Paul Chodak

Charles Zebula

Lisa Barton

Lana Hillebrand

Director of Finance/CFO

Comptroller/Controller/Auditor

Chief Executive Officer

Director/Board Member

Director/Board Member

Chairman

Director/Board Member

President

Chief Executive Officer

Director/Board Member

Director/Board Member

Director/Board Member

Director/Board Member

Director of Finance/CFO

Director/Board Member

Director/Board Member

Electric Utilities

Joseph Buonaiuto

Charles Patton

Nicholas Akins

David Feinberg

Mark McCullough

Paul Chodak

Lisa Barton

Lana Hillebrand

Chief Operating Officer

Director/Board Member

Chief Executive Officer

Director/Board Member

Director/Board Member

Director/Board Member

Director/Board Member

Human Resources Officer

Alternative Power Generation

Holly Koeppel

Joseph Buonaiuto

Benjamin Fowke

Stephen Smith

Michael Morris

Susan Tomasky

Nicholas Akins

David Feinberg

Julie A. Sherwood

Mark McCullough

Paul Chodak

Charles Zebula

Lisa Barton

Julia Sloat

Director of Finance/CFO

Comptroller/Controller/Auditor

Chief Executive Officer

Director/Board Member

President

Director/Board Member

Chief Executive Officer

Corporate Secretary

Treasurer

Director/Board Member

President

Director of Finance/CFO

Director/Board Member

Chief Executive Officer

Electric Utilities

Holly Koeppel

Joseph Buonaiuto

Benjamin Fowke

D. Michael Miller

Michael Morris

Charles Patton

Nicholas Akins

Dennis E. Welch

David Feinberg

Mark McCullough

Paul Chodak

Lisa Barton

Lana Hillebrand

Julia Sloat

Director/Board Member

Comptroller/Controller/Auditor

Chief Executive Officer

Director/Board Member

Chief Executive Officer

Director/Board Member

Chief Executive Officer

Director/Board Member

Director/Board Member

Director/Board Member

Director/Board Member

Director/Board Member

Director/Board Member

Chief Executive Officer

Electric Utilities

Holly Koeppel

Michael Morris

E. Linn Draper

Nicholas Akins

Mark McCullough

Paul Chodak

Lana Hillebrand

Julia Sloat

Marc Reitter

Director/Board Member

Chief Executive Officer

President

President

Director/Board Member

President

Director/Board Member

Director/Board Member

Director/Board Member

Electric Utilities

Holly Koeppel

Joseph Buonaiuto

Stephen Smith

D. Michael Miller

Michael Morris

Susan Tomasky

Charles Patton

Nicholas Akins

Dennis E. Welch

David Feinberg

Mark McCullough

Paul Chodak

Lisa Barton

Lana Hillebrand

Director of Finance/CFO

Comptroller/Controller/Auditor

Director/Board Member

Director/Board Member

Chief Executive Officer

Director/Board Member

Director/Board Member

Director/Board Member

Director/Board Member

Director/Board Member

Director/Board Member

Director/Board Member

Director/Board Member

Director/Board Member

Alternative Power Generation

Holly Koeppel

Joseph Buonaiuto

Stephen Smith

D. Michael Miller

Michael Morris

Susan Tomasky

Charles Patton

Nicholas Akins

Dennis E. Welch

David Feinberg

Mark McCullough

Paul Chodak

Lisa Barton

Lana Hillebrand

Julia Sloat

Director of Finance/CFO

Comptroller/Controller/Auditor

Treasurer

Director/Board Member

Chief Executive Officer

Director/Board Member

Director/Board Member

Chief Executive Officer

Director/Board Member

Director/Board Member

Director/Board Member

Director/Board Member

Chief Operating Officer

Director/Board Member

Chief Executive Officer

EVERSOURCE ENERGY Electric Utilities

Michael Morris

Dennis E. Welch

Paul Chodak

Chief Executive Officer

Corporate Officer/Principal

Chief Operating Officer

Electric Utilities

Charles Patton

Nicholas Akins

Lisa Barton

President

Director/Board Member

Director/Board Member

Electric Utilities

E. Linn Draper

Mark McCullough

Paul Chodak

President

Corporate Officer/Principal

President

University of Notre Dame College/University

Sara Tucker

Steven M McCarty

Director/Board Member

Undergraduate Degree

Michigan State University College/University

Linda Goodspeed

Michael Morris

Undergraduate Degree

Director/Board Member

Miscellaneous Commercial Services

Benjamin Fowke

Julie A. Sherwood

Corporate Officer/Principal

Comptroller/Controller/Auditor

University of Virginia College/University

Michael Wu

Walter W. Bardenwerper

Ronald E. Kuykendall

Brian Patrick Campbell

Graduate Degree

Graduate Degree

Undergraduate Degree

Undergraduate Degree

Stanford University College/University

Alicia Jayne Moore

Thomas E. Hoaglin

Lisa Hicks

Heidi Boyd

Undergraduate Degree

Masters Business Admin

Undergraduate Degree

Undergraduate Degree

College/University

Beth Sprecher Brooks

David Foley

alex katz

Graduate Degree

Graduate Degree

Undergraduate Degree

The University of Texas at Austin College/University

Linda Goodspeed

E. Linn Draper

Shellie R. Cherner

Sara Tucker

Lana Hillebrand

Corporate Officer/Principal

Corporate Officer/Principal

Undergraduate Degree

Masters Business Admin

Undergraduate Degree

Yale University College/University

Stephen Schwarzman

Meg McCarthy

Michael Chae

Adam M. Jenkins

Undergraduate Degree

Graduate Degree

Graduate Degree

Undergraduate Degree

Miscellaneous Commercial Services

Michael J. Mulcahy

Susan W. Cummiskey

Barry J. Shainman

Charles H. N. Kallenbach

Beth Sprecher Brooks

Bobby Reeves

Theresa K. Lee

Gary R. Chadick

Tania King

Karen J. Guest

Shellie R. Cherner

Gerald A. O'Brien

Pam Gracyalny

Lisa Hicks

Corporate Officer/Principal

Corporate Officer/Principal

Corporate Officer/Principal

Corporate Officer/Principal

Corporate Officer/Principal

Corporate Officer/Principal

Director/Board Member

Corporate Officer/Principal

Corporate Officer/Principal

Corporate Officer/Principal

Corporate Officer/Principal

Corporate Officer/Principal

Corporate Officer/Principal

Corporate Officer/Principal

BLACKSTONE INC. Investment Managers

Stephen Schwarzman

Prakash Melwani

David Foley

Michael Chae

Joseph Baratta

Robert Ramsauer

Heidi Boyd

Chief Executive Officer

Chief Investment Officer

Corporate Officer/Principal

Director of Finance/CFO

Director/Board Member

Corporate Officer/Principal

Corporate Officer/Principal

Miscellaneous Commercial Services

William G. Riggins

Benjamin Fowke

Michael Morris

Nicholas Akins

Paul Kaleta

Julia Sloat

Corporate Officer/Principal

Chairman

Chairman

Chairman

Corporate Officer/Principal

Director/Board Member

Miscellaneous Commercial Services

Paul Gracey

Theresa K. Lee

Michael G. Costello

Gary R. Chadick

Ronald E. Kuykendall

Tami Stevenson

Corporate Officer/Principal

Corporate Officer/Principal

Corporate Officer/Principal

Corporate Officer/Principal

Corporate Officer/Principal

Corporate Officer/Principal

Miscellaneous Commercial Services

Benjamin Fowke

Nicholas Akins

Dennis E. Welch

Mark McCullough

Lisa Barton

Director/Board Member

Chairman

Corporate Officer/Principal

Director/Board Member

Director/Board Member

Harvard Business School College/University

Stephen Schwarzman

Prakash Melwani

David Foley

Heidi Boyd

Masters Business Admin

Masters Business Admin

Masters Business Admin

Masters Business Admin

Electric Utilities

Benjamin Fowke

Michael Morris

E. Linn Draper

Nicholas Akins

Director/Board Member

Chairman

Chairman

Director/Board Member

Miscellaneous Commercial Services

Paul Gracey

Benjamin Fowke

John Somerhalder

Dennis E. Welch

Corporate Officer/Principal

Director/Board Member

Chairman

Director/Board Member

College/University

Holly Koeppel

D. Michael Miller

Julia Sloat

Marc Reitter

Director/Board Member

Graduate Degree

Graduate Degree

Masters Business Admin

Miscellaneous Commercial Services

Michael Morris

Thomas E. Hoaglin

Nicholas Akins

Julia Sloat

Chairman

Director/Board Member

Chairman

Director/Board Member

Miscellaneous Commercial Services

D. Michael Miller

Susan Tomasky

Lana Hillebrand

Director/Board Member

Director/Board Member

Corporate Officer/Principal

Local Agencies

Michael Morris

Nicholas Akins

Julia Sloat

Chairman

Director/Board Member

Director/Board Member

Harvard Law School College/University

David Feinberg

Alan Tse

Lisa Hicks

Graduate Degree

Graduate Degree

Graduate Degree

Miscellaneous Commercial Services

Charles H. N. Kallenbach

Walter W. Bardenwerper

Julie Bowen

Corporate Officer/Principal

Corporate Officer/Principal

Corporate Officer/Principal

University of Michigan College/University

Paul Gracey

Linda Goodspeed

Sandra Lin

Undergraduate Degree

Masters Business Admin

Masters Business Admin

Miscellaneous Commercial Services

Susan Tomasky

David Feinberg

Lisa Barton

Director/Board Member

Director/Board Member

Director/Board Member

Electric Utilities

Nicholas Akins

David Feinberg

Julia Sloat

Chief Executive Officer

Director/Board Member

Director of Finance/CFO

Electric Utilities

Benjamin Fowke

Nicholas Akins

Paul Chodak

Director/Board Member

Director/Board Member

Director/Board Member

Georgetown University Law Center College/University

Paul Kaleta

Bryon Koepke

Leslie Turner

Graduate Degree

Graduate Degree

Graduate Degree

Miscellaneous Commercial Services

Theresa K. Lee

Charles Patton

Nicholas Akins

Director/Board Member

Director/Board Member

Director/Board Member

Miscellaneous Commercial Services

Charlene A. Ripley

Karen J. Guest

Gerald A. O'Brien

Corporate Officer/Principal

Corporate Officer/Principal

Corporate Officer/Principal

The Virginia Bar Association

Walter W. Bardenwerper

Ronald E. Kuykendall

Julie Bowen

Corporate Officer/Principal

Corporate Officer/Principal

Corporate Officer/Principal

Investment Trusts/Mutual Funds

Stephen Schwarzman

Prakash Melwani

Michael Chae

Corporate Officer/Principal

Corporate Officer/Principal

Corporate Officer/Principal

Miscellaneous Commercial Services

Stephen Schwarzman

Michael Morris

Nicholas Akins

Corporate Officer/Principal

Corporate Officer/Principal

Director/Board Member

Investment Managers

Stephen Schwarzman

David Foley

Michael Chae

Chief Executive Officer

Corporate Officer/Principal

Director of Finance/CFO

Miscellaneous Commercial Services

Alicia Jayne Moore

L. Loewe

Paul Rowan

Corporate Officer/Principal

Corporate Officer/Principal

Corporate Officer/Principal

Services to the Health Industry

Charlene A. Ripley

Bobby Reeves

Corporate Officer/Principal

Director/Board Member

Statistics

International

United States 50

Sectoral

Utilities 17
Commercial Services 15
Consumer Services 13
Finance 3
Non-Energy Minerals 2

Operational

Director/Board Member 669
Corporate Officer/Principal 358
General Counsel 138
Chairman 128
Corporate Secretary 109
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