Kirby Corporation conducts operations in two business segments:  Marine Transportation and Diesel Engine Services.

Through the Marine Transportation segment, Kirby operates as the premier tank barge operator in the United States, transporting bulk liquid products throughout the Mississippi River System, on the Gulf Intracoastal Waterway, along all three U.S. Coasts, and in Alaska and Hawaii. Kirby’s service includes the transporting of petrochemicals, black oil, refined petroleum products and agricultural chemical products by tank barge. Kirby also owns and operates six offshore barge and tugboat units transporting dry-bulk commodities in United States coastwise trade.

In the Diesel Engine Services segment, Kirby is the leading after-market service provider for medium-speed and high-speed diesel engines, reduction gears and ancillary products for marine and power generation applications. Kirby also serves as a distributor and service provider for high-speed diesel engines, transmissions and pumps, and manufactures and remanufactures oilfield service equipment, including pressure pumping units, for the land-based oilfield service and oil and gas operator and producer markets.

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Board of Directors
NameTitleJoined Board
Anne-Marie N. AinsworthRetired President and CEO, general partner of Oiltanking Partners, L.P. and Oiltanking Holding Americas, Inc. 2015
Richard J. AlarioRetired Chairman, President and CEO of Key Energy Services, Inc.2011
Barry E. DavisPresident and Chief Executive Officer of Enlink Midstream Partners, LP and Enlink Midstream, LLC 2015
C. Sean DayChairman of Teekay Corporation1996
David W. GrzebinskiPresident and Chief Executive Officer of Kirby Corporation2014
Monte J. MillerRetired Executive Vice President, Chemicals, of Flint Hills Resources, LP2006
Joseph H. PyneChairman of the Board of Kirby Corporation1988
Richard R. StewartRetired President and CEO of GE Aero Energy2008
William M. WatermanRetired President and CEO of Penn Maritime Inc.2012
Officers
NameTitle
Joseph H. PyneChairman of the Board
David W. GrzebinskiPresident and Chief Executive Officer
William G. IveyPresident – Marine Transportation Group
C. Andrew SmithExecutive Vice President and Chief Financial Officer
Joseph H. ReniersExecutive Vice President – Diesel Engine Services and Supply Chain
Kim B. ClarkeVice President – Human Resources
Ronald A. DraggVice President and Controller
James F. FarleyVice President – Industry Relations
Amy D. HustedVice President – Legal
David R. MosleyVice President and Chief Information Officer
Renato A. CastroTreasurer
Thomas G. AdlerSecretary
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Kirby Inland Marine, LP
NameTitle
William G. IveyPresident
Christian G. O’NeilExecutive Vice President and Chief Operating Officer
James C. GuidryExecutive Vice President – Vessel Operations
Mel R. JodeitExecutive Vice President – Marketing
John W. Sansing, Jr.Senior Vice President – Maintenance
William M. WithersSenior Vice President – Sales
Stephen C. ButtsVice President – Sales
Patrick C. KellyVice President – Sales
Lyle D. MarshallVice President – Sales
Richard C. NorthcuttVice President – Sales & Horsepower Management
Lester A. ParkerVice President – River Vessel Operations
Cliff R. StanichVice President – Sales
Thomas H. WhiteheadVice President – Sales
Carl R. WhitlatchVice President and Controller
Kirby Offshore Marine, LLC
NameTitle
William G. IveyPresident
Christian G. O’NeilExecutive Vice President and Chief Operating Officer
James C. GuidryExecutive Vice President – Vessel Operations
John W. Sansing, Jr.Senior Vice President – Maintenance
William M. Withers
Senior Vice President – Sales
Christopher T. PaloVice President – Engineering
Charles R. Ferrer, Jr.Vice President – Sales
John T. HallmarkVice President – Strategic Planning and Sales
William L. OppenheimerVice President – Maintenance
Carl R. WhitlatchVice President and Controller
Kirby Ocean Transport Company
NameTitle
William G. IveyPresident
William M. WithersVice President
Osprey Line, LLC
NameTitle
John T. HallmarkPresident
Charles J. DuetVice President
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Kirby Engine Systems, Inc.
NameTitle
Dorman Lynn StrahanPresident
Mia CradeurVice President and Controller
Engine Systems, Inc.
NameTitle
P. Scott ManganVice President – East Coast
Marine Systems, Inc.
NameTitle
Lynn A. AhlemeyerVice President – Gulf Coast and West Coast
Thomas W. BottomsVice President – Midwest
Troy A. BourgeoisVice President – Sales
United Holdings, LLC
NameTitle
Joseph H. ReinersExecutive Vice President – Diesel Engine Services and Supply Chain
Sterling V. AdlakhaChief Financial Officer
Ronnie E. StoverVice President – Sales
United Engines
NameTitle
David L. TonneVice President – Aftermarket
United Manufacturing
NameTitle
Gregory L. CulpVice President
Thermo King
NameTitle
Jason K. RobisonVice President