Michael Callahan

Active Leawood, KS — Executive VP and Gen for Tallgrass Natgas Operator, LLC

Michael Callahan Overview

Michael Callahan is currently associated with five companies, according to public records. The companies were formed over a thirteen year period with the most recent being incorporated ten years ago in July of 2014. All companies are still active.

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Name	Status	Incorporated	Key People	Role
Tallgrass Natgas Operator, LLC	Active	2006	41	Executive VP and Gen
Alpha Reclaim Technology, LLC	Active	2011	25	Executive VP and Gen
Tallgrass Water, LLC	Active	2014	21	Executive VP and Gen
Tallgrass Water South Texas, LLC	Active	2014	20	Executive VP and Gen
Tallgrass Interstate Gas Transmission, LLC	Active	2001	53	Executive VP, Genera

Connections for Michael Callahan

A connection is made when two people are officers, directors, or otherwise associated with the same company. Michael has fifty-nine known connections and has the most companies in common with Andrea Attel.

Andrea Attel

Andrea Attel has the following companies in common with Michael Callahan

Name	Status	Incorporated	Key People	Role
T----------------------------------------C	Active	2001	53	Vice President, Trea
T----------------------------C	Active	2006	41	Vice President, Trea
A---------------------------C	Active	2011	25	Vice President and T
T------------------C	Active	2014	21	Vice President and T
T------------------------------C	Active	2014	20	Vice President and T

Crystal Heter

Crystal Heter has the following companies in common with Michael Callahan

Name	Status	Incorporated	Key People	Role
T----------------------------------------C	Active	2001	53	Senior Vp, COO
T----------------------------C	Active	2006	41	Senior Vice Presiden
A---------------------------C	Active	2011	25	Senior Vice Presiden
T------------------C	Active	2014	21	Senior VP and COO
T------------------------------C	Active	2014	20	Senior Vice Presiden

Julie Mensing

Julie Mensing has the following companies in common with Michael Callahan

Name	Status	Incorporated	Key People	Role
T----------------------------------------C	Active	2001	53	Vice President and C
T----------------------------C	Active	2006	41	Vice President and C
A---------------------------C	Active	2011	25	Vice President and C
T------------------C	Active	2014	21	Vice President and C
T------------------------------C	Active	2014	20	Vice President and C

Jason Nonnemaker

Jason Nonnemaker has the following companies in common with Michael Callahan

Name	Status	Incorporated	Key People	Role
T----------------------------------------C	Active	2001	53	VP, Deputy Gen Couns
T----------------------------C	Active	2006	41	VP, Deputy Gen Couns
A---------------------------C	Active	2011	25	VP, Deputy Gen Couns
T------------------C	Active	2014	21	VP, Deputy Gen Couns
T------------------------------C	Active	2014	20	VP, Deputy Gen Couns

Damon R. Rahbar-Daniels

Damon R. Rahbar-Daniels has the following companies in common with Michael Callahan

Name	Status	Incorporated	Key People	Role
T----------------------------------------C	Active	2001	53	Senior VP, CCO
T----------------------------C	Active	2006	41	Senior Vice Presiden
A---------------------------C	Active	2011	25	Senior Vice Presiden
T------------------C	Active	2014	21	Senior VP and CCO
T------------------------------C	Active	2014	20	Senior Vice Presiden

Gary L. Watkins

Gary L. Watkins has the following companies in common with Michael Callahan

Name	Status	Incorporated	Key People	Role
T----------------------------------------C	Active	2001	53	Executive Vice Presi
T----------------------------C	Active	2006	41	Executive Vice Presi
A---------------------------C	Active	2011	25	Executive Vice Presi
T------------------C	Active	2014	21	Executive Vice Presi
T------------------------------C	Active	2014	20	Executive Vice Presi

Gary J. Brauchle

Gary J. Brauchle has the following companies in common with Michael Callahan

Name	Status	Incorporated	Key People	Role
T----------------------------------------C	Inactive	2001	53	Treasurer
T----------------------------C	Inactive	2006	41	Chief Financial Offi
A---------------------------C	Inactive	2011	25	Chief Financial Offi
T------------------C	Inactive	2014	21	Chief Financial Offi
T------------------------------C	Inactive	2014	20	Chief Financial Offi

Richard Bullock

Richard Bullock has the following companies in common with Michael Callahan

Name	Status	Incorporated	Key People	Role
T----------------------------------------C	Inactive	2001	53	Vice President
T----------------------------C	Inactive	2006	41	Vice President
A---------------------------C	Inactive	2011	25	Vice President
T------------------C	Inactive	2014	21	Vice President
T------------------------------C	Inactive	2014	20	Vice President

Chris Jones

Chris Jones has the following companies in common with Michael Callahan

Name	Status	Incorporated	Key People	Role
T----------------------------------------C	Inactive	2001	53	Secretary
T----------------------------C	Inactive	2006	41	Secretary
A---------------------------C	Inactive	2011	25	Secretary
T------------------C	Inactive	2014	21	Secretary
T------------------------------C	Inactive	2014	20	Secretary

Craig Meis

Craig Meis has the following companies in common with Michael Callahan

Name	Status	Incorporated	Key People	Role
T----------------------------------------C	Inactive	2001	53	Vice President
T----------------------------C	Inactive	2006	41	Vice President
A---------------------------C	Inactive	2011	25	Vice President
T------------------C	Inactive	2014	21	Vice President
T------------------------------C	Inactive	2014	20	Vice President

Jay Meyers

Jay Meyers has the following companies in common with Michael Callahan

Name	Status	Incorporated	Key People	Role
T----------------------------------------C	Inactive	2001	53	Vice President
T----------------------------C	Inactive	2006	41	Vice President
A---------------------------C	Inactive	2011	25	Vice President
T------------------C	Inactive	2014	21	Vice President
T------------------------------C	Inactive	2014	20	Vice President

William R. Moler

William R. Moler has the following companies in common with Michael Callahan

Name	Status	Incorporated	Key People	Role
T----------------------------------------C	Inactive	2001	53	President
T----------------------------C	Inactive	2006	41	President
A---------------------------C	Inactive	2011	25	President
T------------------C	Inactive	2014	21	President
T------------------------------C	Inactive	2014	20	President

Mick Rafter

Mick Rafter has the following companies in common with Michael Callahan

Name	Status	Incorporated	Key People	Role
T----------------------------------------C	Inactive	2001	53	Senior Vp
T----------------------------C	Inactive	2006	41	Senior Vice Presiden
A---------------------------C	Inactive	2011	25	Senior Vp
T------------------C	Inactive	2014	21	Senior Vp
T------------------------------C	Inactive	2014	20	Senior Vice Presiden

Dick Sears

Dick Sears has the following companies in common with Michael Callahan

Name	Status	Incorporated	Key People	Role
T----------------------------------------C	Inactive	2001	53	Vice President
T----------------------------C	Inactive	2006	41	Vice President
A---------------------------C	Inactive	2011	25	Vice President
T------------------C	Inactive	2014	21	Vice President
T------------------------------C	Inactive	2014	20	Vice President

Eric Westphal

Eric Westphal has the following companies in common with Michael Callahan

Name	Status	Incorporated	Key People	Role
T----------------------------------------C	Inactive	2001	53	Vice President
T----------------------------C	Inactive	2006	41	Senior Vice Presiden
A---------------------------C	Inactive	2011	25	Vice President
T------------------C	Inactive	2014	21	Vice President
T------------------------------C	Inactive	2014	20	Vice President

Nathan Lien

Nathan Lien has the following companies in common with Michael Callahan

Name	Status	Incorporated	Key People	Role
T----------------------------------------C	Inactive	2001	53	Treasurer
A---------------------------C	Inactive	2011	25	Treasurer
T------------------C	Inactive	2014	21	Treasurer
T------------------------------C	Inactive	2014	20	Treasurer

Mark Ritchie

Mark Ritchie has the following companies in common with Michael Callahan

Name	Status	Incorporated	Key People	Role
A---------------------------C	Active	2011	25	Vice President ? Com
T------------------C	Active	2014	21	Vice President
T------------------------------C	Active	2014	20	Vice President ? Com

Michael Calahan

Michael Calahan has the following companies in common with Michael Callahan

Name	Status	Incorporated	Key People	Role
T----------------------------------------C	Inactive	2001	53	EXECUTIVE VP & G
A---------------------------C	Inactive	2011	25	EXECUTIVE VP & G
T------------------C	Inactive	2014	21	EXECUTIVE VP & G

Jeff Nelson

Jeff Nelson has the following companies in common with Michael Callahan

Name	Status	Incorporated	Key People	Role
A---------------------------C	Inactive	2011	25	Vice President
T------------------C	Inactive	2014	21	Vice President
T------------------------------C	Inactive	2014	20	Vice President

Dustin Bashford

Dustin Bashford has the following companies in common with Michael Callahan

Name	Status	Incorporated	Key People	Role
T----------------------------------------C	Active	2001	53	Segment President -
T----------------------------C	Active	2006	41	Segment President -

Source

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

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Michael Callahan

Active Leawood, KS — Executive VP and Gen for Tallgrass Natgas Operator, LLC