Wesley W. von Schack
Chairman
Associated Electric & Gas Insurance Services Limited
William P. Cullen
President & CEO
AEGIS Insurance Services, Inc.
Gregory E. Abel
Vice Chairman – Non-Insurance Business Operations | Chairman
Berkshire Hathaway Inc. | Berkshire Hathaway Energy Company
Robert W. Best
Director & Former Chairman
Atmos Energy Corporation
Thomas G.S. Busher
Former Chief Operating Officer and Deputy Chairman
Montpelier Re
Christopher M. Crane
President & CEO
Exelon Corporation
Thomas F. Farrell, II
Chairman, President & CEO
Dominion Energy, Inc.
Lisa D. Johnson
CEO & General Manager
Seminole Electric Cooperative, Inc.
Constance H. Lau
President & CEO
Hawaiian Electric Industries, Inc.
Patricia K. Poppe
President & CEO
CMS Energy Corporation
Charles A. Schrock
Chairman & CEO, Retired
Integrys Energy Group, Inc.
Vice Chairman Emeritus
William H. Grigg
Chairman Emeritus
Duke Energy Corporation
Directors Emeriti
Philip C. Ackerman
Chairman, Retired
National Fuel Gas Company
Keith E. Bailey
Chairman, President & CEO, Retired
The Williams Companies, Inc.
Thomas E. Capps
Chairman, Retired
Dominion Resources, Inc. (now Dominion Energy, Inc.)
R. Don Cash
Chairman Emeritus & Director
Questar Corporation
W.R.P. Dalton
Executive Director, Retired
HSBC Holdings plc
John W. Ellis
Chairman, Retired
Puget Sound Energy, Inc.
Stephen E. Frank
Chairman, President & CEO, Retired
Southern California Edison
Walter M. Higgins
Chairman
South Jersey Industries
Christopher P. Johns
Vice Chairman & President, Retired
Pacific Gas & Electric Company
Don D. Jordan
Chairman & CEO, Retired
Reliant Energy
James J. Jura
CEO & General Manager, Retired
Associated Electric Cooperative, Inc.
Ronald L. Litzinger
President, Retired
Edison Energy Group
George L. Mazanec
Vice Chairman, Retired
PanEnergy (now Enbridge)
Eugene R. McGrath
Chairman & CEO, Retired
Consolidated Edison, Inc.
Corbin A. McNeill, Jr.
Chairman & Co-CEO, Retired
Exelon Corporation
Richard G. Reiten
Chairman & CEO, Retired
NW Natural
William B. Timmerman
Chairman & CEO, Retired
SCANA Corporation
