Michael John Sullivan

Michael John Sullivan

84 year
Finance
Commercial Services
Energy Minerals

Profile

Michael John Sullivan served as a Governor for the State of Wyoming from 1986 to 1994.
He was a Senior Attorney at Rothgerber Johnson & Lyons LLP from 2001 to 2013.
Sullivan was also a Lead Independent Director at First Interstate BancSystem, Inc. from 2013 to 2016.
He served as a Non-Executive Director at Kerry Group Plc from 2004 to 2011 and as an Independent Director at Cimarex Energy Co. from 2011 to 2019.
Sullivan was a Member at Brown, Drew & Massey LLP from 1964 to 1986 and again from 1995 to 1998.
He was also a Director at Allfirst Bank (Baltimore, Maryland) and Sletten Construction Co. from 2002 to 2015.
Sullivan earned his undergraduate and graduate degrees from the University of Wyoming.

Former positions of Michael John Sullivan

CompaniesPositionEnd
CIMAREX ENERGY CO. Director/Board Member 2021-09-30
FIRST INTERSTATE BANCSYSTEM, INC. Director/Board Member 2016-11-16
Director/Board Member 2015-05-31
Rothgerber Johnson & Lyons LLP Corporate Officer/Principal 2013-07-23
Allfirst Bank (Baltimore, Maryland) Director/Board Member 2012-08-27
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Training of Michael John Sullivan

University of Wyoming Graduate Degree

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

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Connections

100 +

1st degree connections

11

1st degree companies

Male

Female

Members of the board

Executives

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Linked companies

Listed companies2
FIRST INTERSTATE BANCSYSTEM, INC.

Finance

KERRY GROUP PLC

Consumer Non-Durables

Private companies8

Finance

Energy Minerals

Rothgerber Johnson & Lyons LLP

Commercial Services

State of Wyoming

Government

Allfirst Bank (Baltimore, Maryland)

Finance

Industrial Services

Commercial Services

Commercial Services

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