Network origin in Michael Callahan first degree
| Entity | Entity type | Industry | |
|---|---|---|---|
| Private Company | Oil & Gas Pipelines | 23 |
Chart of Companies connected to the second degree
Multi-company connection
Companies connected to Michael Callahan via their personal network
| Company | Sector | Related people | Main position |
|---|---|---|---|
| TALLGRASS ENERGY PARTNERS LP | Oil & Gas Pipelines | Comptroller/Controller/Auditor Public Communications Contact Chief Operating Officer Investor Relations Contact Corporate Officer/Principal General Counsel | |
Tallgrass Energy GP LLC
 Tallgrass Energy GP LLC Financial ConglomeratesFinance Tallgrass Energy GP LLC provides investment services. The private company is based in Leawood. William R. Moler has been the CEO of the American company since 2015. | Financial Conglomerates | Chief Executive Officer Director/Board Member Director/Board Member President General Counsel | |
TEGP Management LLC
 TEGP Management LLC Financial ConglomeratesFinance TEGP Management LLC is an investment holding private company. The company is based in Leawood, KS. The CEO of the company is Matthew P. Sheehy. | Financial Conglomerates | Comptroller/Controller/Auditor Chief Operating Officer Chief Executive Officer General Counsel | |
Tallgrass MLP GP LLC
 Tallgrass MLP GP LLC Financial ConglomeratesFinance Part of Tallgrass Energy LP, Tallgrass MLP GP LLC provides investment services. The company is based in Overland Park, KS. David G. Dehaemers has been the CEO of the company since 2013. | Financial Conglomerates | Comptroller/Controller/Auditor Chief Operating Officer General Counsel | |
Tallgrass Development LP
 Tallgrass Development LP Oil & Gas ProductionEnergy Minerals Tallgrass Development LP provides natural gas transportation and storage services. The firm also operates natural gas processing plants in Wyoming; and a carbon dioxide and sulfur treating facility in West Frenchie Draw, Wyoming. The company is headquartered in Leawood, KS. | Oil & Gas Production | Comptroller/Controller/Auditor Chief Operating Officer General Counsel | |
Tallgrass Energy Holdings LLC
 Tallgrass Energy Holdings LLC Oil & Gas PipelinesIndustrial Services Tallgrass Energy Holdings LLC engages in business services industry. The company is headquartered in Overland Park, KS. | Oil & Gas Pipelines | Comptroller/Controller/Auditor Chief Operating Officer General Counsel | |
| ENAGÁS, S.A. | Gas Distributors | Chief Executive Officer Director of Finance/CFO | |
Tallgrass Operations LLC
 Tallgrass Operations LLC Oil & Gas ProductionEnergy Minerals Tallgrass Operations LLC operates as a holding company with interest in operating, developing and acquiring midstream energy assets. The company was founded on March 22, 2013 and is headquartered in Overland Park, KS. | Oil & Gas Production | Comptroller/Controller/Auditor Chief Operating Officer | |
Tallgrass Equity LLC
 Tallgrass Equity LLC Wholesale DistributorsDistribution Services Tallgrass Equity LLC distributes petroleum products through pipelines. The company is headquartered in Leawood, KS. | Wholesale Distributors | Comptroller/Controller/Auditor Chief Operating Officer | |
Rockies Express Pipeline LLC
 Rockies Express Pipeline LLC Oil & Gas PipelinesIndustrial Services Rockies Express Pipeline LLC provides water, sewer and pipeline construction services. It develops and owns Rockies Express, a natural gas pipeline system that provides transportation from Rio Blanco County, Colorado to Monroe County, Ohio. The firm provides transportation, interruptible transportation, park and loan, pooling and wheeling, and booster compression services. The company was founded in 2004 and is headquartered in Lakewood, CO. | Oil & Gas Pipelines | Chief Executive Officer President | |
| Missouri State University | College/University | Undergraduate Degree | |
Atento Inversiones y Teleservicios SAU
 Atento Inversiones y Teleservicios SAU Specialty TelecommunicationsCommunications Atento Inversiones y Teleservicios SAU offers telephone assistance and customer relationship management services. The firm's products include credit, risk and debt recovery, customer service, back office, and technical support products. The company was founded on December 27, 2007 and is headquartered in Rivas-Vacimadrid, Spain. | Specialty Telecommunications | Director of Finance/CFO | |
| Universidad Complutense de Madrid | College/University | Corporate Officer/Principal | |
| Universidad Nacional de Educación a Distancia | College/University | Corporate Officer/Principal | |
Telefonica Media
 Telefonica Media BroadcastingConsumer Services Part of Telefónica SA, Telefonica Media is a Spanish company that operates television and radio stations. The company is based in Barcelona, Spain. | Broadcasting | Corporate Officer/Principal | |
Atento H.I.T S.A.U
 Atento H.I.T S.A.U Financial ConglomeratesFinance Atento H.I.T S.A.U is a Dutch company. | Financial Conglomerates | Director/Board Member | |
| TELEFÓNICA, S.A. | Specialty Telecommunications | Corporate Officer/Principal | |
| JUBII EUROPE N.V. | Information Technology Services | Director/Board Member | |
Banco Inversis SA
 Banco Inversis SA Information Technology ServicesTechnology Services Banco Inversis Net SA provides banking and financial services. It offers savings and checking accounts, commercial loans, consumer loans, mortgage loans, foreign trade, and financing. The firm also offers internet banking, insurance, pension plans, annuities, credit card, and leasing services. The company was founded on November 13, 2001 and is headquartered in Madrid, Spain. | Information Technology Services | Director/Board Member | |
| Torre de Collserola SA | Director/Board Member | ||
| INDRA SISTEMAS, S.A. | Information Technology Services | Director of Finance/CFO | |
Thames Water Utilities Holdings Ltd.
 Thames Water Utilities Holdings Ltd. Food: Specialty/CandyConsumer Non-Durables Thames Water Utilities Holdings Ltd. produces cereals and other crops. The company was founded in 2007 and is headquartered in Reading, GB. | Food: Specialty/Candy | Director/Board Member | |
USS Nero Ltd.
 USS Nero Ltd. Financial ConglomeratesFinance Part of L3 Investment Holdings LP, USS Nero Ltd. is an investment holding British company. The company is based in Liverpool, UK. Founded in 2013, USS Nero functions as an investment holding company. | Financial Conglomerates | Director/Board Member | |
Bruc Energy SL
 Bruc Energy SL Alternative Power GenerationUtilities Bruc Energy SL generates solar power. The private company is based in Madrid, Spain. and has subsidiaries in Spain. The Spanish company was founded in 2019. Luis Javier Venero Lopez has been the CEO of the company since 2019. | Alternative Power Generation | Director/Board Member | |
Green Oxford Ltd.
 Green Oxford Ltd. Financial ConglomeratesFinance Part of L3 Investment Holdings LP, Green Oxford Ltd. is a British company that functions as an investment holding company. The company is based in Liverpool, UK and was founded in 2016. | Financial Conglomerates | Director/Board Member | |
Church Water Investment Ltd.
 Church Water Investment Ltd. Financial ConglomeratesFinance Part of L3 LP, Church Water Investment Ltd. is an investment holding British company. The company is based in Liverpool, UK. Founded in 2017, Church Water Investment functions as an investment holding company. | Financial Conglomerates | Director/Board Member | |
USS Sherwood Ltd.
 USS Sherwood Ltd. Financial ConglomeratesFinance USS Sherwood Ltd. is an investment holding British company. The private company is based in St. Peter Port, UK and was founded in 2014. | Financial Conglomerates | Director/Board Member | |
Credit Suisse Asset Management LLC
 Credit Suisse Asset Management LLC Investment ManagersFinance Founded in 1999, Credit Suisse Asset Management LLC (CSAM) is a registered investment advisor headquartered in New York City. The firm is an indirect wholly-owned subsidiary of Credit Suisse Group AG (NYSE: CS), a publicly owned foreign bank holding company based in Switzerland. | Investment Managers | Corporate Officer/Principal | |
The Airline Group Ltd.
 The Airline Group Ltd. AirlinesTransportation The Airline Group Ltd. is a holding British company with interests in the airline industry. The private company is based in London, UK. The company was founded in 2000. | Airlines | Director/Board Member | |
UK Green Investment Galloper Ltd.
 UK Green Investment Galloper Ltd. Financial ConglomeratesFinance Part of Macquarie Group Ltd., UK Green Investment Galloper Ltd. functions as an investment holding company. The company is based in London, UK. | Financial Conglomerates | Director/Board Member | |
UK Green Investment Rampion Ltd.
 UK Green Investment Rampion Ltd. Financial ConglomeratesFinance UK Green Investment Rampion Ltd. functions as an investment holding private company. The company is based in London, UK and has subsidiaries in the United Kingdom. | Financial Conglomerates | Director/Board Member | |
NATS (En Route) Plc
 NATS (En Route) Plc Other TransportationTransportation NATS (En Route) Plc engages in the provision of air traffic control and performance services. The company was founded on December 21, 2000 and is headquartered in Fareham, the United Kingdom. | Other Transportation | Director/Board Member | |
Redexis SA
 Redexis SA Engineering & ConstructionIndustrial Services Redexis Gas SA is a holding company. It is engaged in the development and operation of transmission and distribution of natural gas and piped liquefied petroleum gas. The company was founded on April 6, 2000 and is headquartered in Madrid, Spain. | Engineering & Construction | Director/Board Member | |
ConnectEast Pty Ltd.
 ConnectEast Pty Ltd. Engineering & ConstructionIndustrial Services ConnectEast Pty Ltd. designs, constructs, and operates roads and tollways. It finances, designs, builds, maintains, and operates landmark projects. The company is headquartered in Ringwood, Australia. | Engineering & Construction | Director/Board Member | |
Globalvía Inversiones SA
 Globalvía Inversiones SA Engineering & ConstructionIndustrial Services Globalvía Inversiones SA engages in the management, promotion, development, and exploitation of public, national, as well as foreign infrastructures. The company was founded in 2007 and is headquartered in Madrid, Spain. | Engineering & Construction | Director/Board Member | |
NATS Holdings Ltd.
 NATS Holdings Ltd. Other TransportationTransportation NATS Holdings Ltd. engages in the provision of air traffic control services for aircraft flying in the UK airspace. It offers engineering, information, defense, and consultancy services. The company was founded in 1920 and is headquartered in Fareham, the United Kingdom. | Other Transportation | Director/Board Member | |
Global Via Infraestructuras SA
 Global Via Infraestructuras SA Engineering & ConstructionIndustrial Services Global Via Infraestructuras SA is a holding company. It is engaged in acquisition, possession, management and administration of securities representing the own funds of non-resident entities. The company was founded on January 29, 2007 and is headquartered in Madrid, Spain. | Engineering & Construction | Director/Board Member | |
EIG Global Energy Partners LLC
 EIG Global Energy Partners LLC Investment ManagersFinance EIG Global Energy Partners LLC (EIG Global Energy Partners) is a private equity firm founded in 2011. The firm is headquartered in Washington, District of Columbia. | Investment Managers | Private Equity Investor | |
Blackstone Corporate Private Equity
 Blackstone Corporate Private Equity Investment ManagersFinance Blackstone Corporate Private Equity (Blackstone Corporate) is a private equity division of The Blackstone Group Inc founded in 1985 by Stephen Allen Schwarzman. The firm is headquartered in New York. | Investment Managers | Private Equity Investor | |
Bridger Aerospace Group Holdings LLC
 Bridger Aerospace Group Holdings LLC Miscellaneous Commercial ServicesCommercial Services Part of Bridger Aerospace Group Holdings, Inc., Bridger Aerospace Group Holdings LLC is a company that provides aerial wildfire management, relief, and suppression services. The company is based in Belgrade, MT. The company was founded by Timothy P. Sheehy. Bridger Aerospace Group Holdings was acquired by Jack Creek Investment Corp. on January 24, 2023, for $400.16 million. | Miscellaneous Commercial Services | Chairman | |
GIC Real Estate, Inc.
 GIC Real Estate, Inc. Investment ManagersFinance GIC Real Estate, Inc. is a private equity firm located in San Francisco. The firm is the U.S. real estate investment arm of the Government of Singapore Investment Corp. Private Ltd., a sovereign wealth fund established by the Government of Singapore in 1981 to manage Singapore's foreign reserves. | Investment Managers | Corporate Officer/Principal | |
EQT Future /Private Equity/
 EQT Future /Private Equity/ Investment ManagersFinance EQT Partners AB is a Private Equity firm, a subsidiary of EQT AB founded in 2021. EQT Partners AB is headquartered in *. | Investment Managers | Private Equity Investor | |
| Hep Catalyst Investco LLC | Director/Board Member | ||
Harvard University
 Harvard University Other Consumer ServicesConsumer Services Harvard University engages in the provision of teaching and research. It has twelve degree-granting Schools in addition to the Radcliffe Institute for Advanced Study, offering a global education. The university was founded in 1636 and is headquartered in Cambridge, MA. | College/University | Undergraduate Degree | |
Arrowhead St Holdings LLC
 Arrowhead St Holdings LLC Oil & Gas ProductionEnergy Minerals Part of Harvest Midstream Co., Arrowhead St Holdings LLC engages in Eagle Ford midstream business. The company is based in Houston, TX. Arrowhead St Holdings was acquired by Harvest Midstream Co. on March 31, 2022. | Oil & Gas Production | Director/Board Member | |
| GENESEE & WYOMING INC. | Railroads | Director/Board Member | |
| ITC HOLDINGS CORP. | Electric Utilities | Director/Board Member | |
| University of Kansas School of Law | College/University | Graduate Degree |
Statistics
International
| United States | 24 |
| Spain | 14 |
| United Kingdom | 11 |
| Netherlands | 3 |
| Australia | 2 |
Sectoral
| Finance | 16 |
| Industrial Services | 8 |
| Consumer Services | 7 |
| Energy Minerals | 5 |
| Transportation | 5 |
Operational
| Director/Board Member | 72 |
| Corporate Officer/Principal | 39 |
| Chief Operating Officer | 12 |
| Undergraduate Degree | 10 |
| Comptroller/Controller/Auditor | 10 |
Most connected contacts
| Insiders | |
|---|---|
| Bill Moler | 26 |
| Marcelino Oreja Arburúa | 23 |
| Gavin Merchant | 19 |
| Matthew Sheehy | 15 |
| Wallace C. Henderson | 12 |
| Guy G. Buckley | 12 |
| Francisco Borja García-Alarcón A. | 12 |
| Richard L. Bullock | 11 |
| Christopher R. Jones | 11 |
| Stephen Bolze | 11 |
| Alexander Greenbaum | 9 |
| Phyllis Hammond | 3 |
| Nate Lien | 2 |
| Damon Daniels | 1 |
| Crystal Heter | 1 |
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