Profile
William J.
Hannigan served as Chairman, President & CEO of Sabre Holdings Corp.
from 1999 to 2003.
He was also the Chairman & CEO of Sabre Airline Solutions.
Hannigan served as President & COO of AT&T Corp.
in 2006.
He was the President, CEO & COO of AT&T Business Services and President-Southwestern Bell Business at SBC Communications, Inc. Hannigan was an Independent Director at Kroll LLC from 2008 to 2011.
He holds an MBA from The University of Colorado.
Former positions of William J. Hannigan
Companies | Position | End |
---|---|---|
Kroll LLC
Kroll LLC Investment ManagersFinance Kroll LLC provides global advisory services. It offers valuation advisory; governance, risk, investigation, and disputes; kroll cyber risk, corporates finance, and compliance and regulatory consulting. The company was founded by William Duff and George Phelps in 1932 and is headquartered in New York, NY. | Director/Board Member | 2011-05-11 |
AT&T Corp. /Old/
AT&T Corp. /Old/ Major TelecommunicationsCommunications AT & T is the global leader in providing local, long distance, Internet, and transaction-based voice and data services. AT&T provides unparalleled quality and reliability in communications services | President | 2005-12-31 |
Sabre Holdings Corp.
Sabre Holdings Corp. Other Consumer ServicesConsumer Services Sabre Holdings Corp. provides tours and travel services. It also offers online reservations for airlines, hotels, cruises, car rental companies and vacation packages. The company is headquartered in Southlake, TX. | Chief Executive Officer | 2003-11-30 |
SBC Communications, Inc.
SBC Communications, Inc. Major TelecommunicationsCommunications SBC Communications, Inc. provides telecommunications services primarily in the United States. It offers various services and products, such as local exchange services, wireless communications, long-distance services, Internet services, telecommunications equipment, and directory advertising and publishing services. The company provides landline telecommunications services, such as local, long-distance voice, switched access, data and messaging services, and satellite television services; mobile wireless voice and data communications services; and directory services, such as advertising, Yellow and White Pages directories, and electronic directory publishing | Corporate Officer/Principal | - |
Sabre, Inc.
Sabre, Inc. Metal FabricationProducer Manufacturing Sabre, Inc. manufactures various types of cnc machines, precision, swiss screw machines and rotary transfer machines on contracts. The company is headquartered in Indianapolis, IN. | Chief Executive Officer | - |
Training of William J. Hannigan
The University of Colorado | Masters Business Admin |
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
Private companies | 7 |
---|---|
AT&T Business Services
AT&T Business Services Specialty TelecommunicationsCommunications AT&T Business Services provides business communication services to multinational corporations, small and midsized business clients, and government agencies. It offers networking, mobility, cloud, security, hosting, application management, unified communications, VPN, VoIP, and conferencing solutions for medium to large businesses. Its Global Networking Technology Services (GNTS) division offers voice and data services, such as private lines, special local access services and domestic, and international long-distance calling services. The company is headquartered in Dallas, TX. | Communications |
Sabre Airline Solutions
Sabre Airline Solutions Packaged SoftwareTechnology Services Sabre Airline Solutions provides software technology solutions, products and services for airline reservations and departure control and consulting services. It distributes software solutions and consulting services through a sales and marketing organization that spans four continents, with primary sales offices in the Dallasa and Fort Worth area, London, Hong Kong and Sydney. The company was founded in 1960 and is headquartered in Southlake, TX. | Technology Services |
Sabre, Inc.
Sabre, Inc. Metal FabricationProducer Manufacturing Sabre, Inc. manufactures various types of cnc machines, precision, swiss screw machines and rotary transfer machines on contracts. The company is headquartered in Indianapolis, IN. | Producer Manufacturing |
Kroll LLC
Kroll LLC Investment ManagersFinance Kroll LLC provides global advisory services. It offers valuation advisory; governance, risk, investigation, and disputes; kroll cyber risk, corporates finance, and compliance and regulatory consulting. The company was founded by William Duff and George Phelps in 1932 and is headquartered in New York, NY. | Finance |
SBC Communications, Inc.
SBC Communications, Inc. Major TelecommunicationsCommunications SBC Communications, Inc. provides telecommunications services primarily in the United States. It offers various services and products, such as local exchange services, wireless communications, long-distance services, Internet services, telecommunications equipment, and directory advertising and publishing services. The company provides landline telecommunications services, such as local, long-distance voice, switched access, data and messaging services, and satellite television services; mobile wireless voice and data communications services; and directory services, such as advertising, Yellow and White Pages directories, and electronic directory publishing | Communications |
Sabre Holdings Corp.
Sabre Holdings Corp. Other Consumer ServicesConsumer Services Sabre Holdings Corp. provides tours and travel services. It also offers online reservations for airlines, hotels, cruises, car rental companies and vacation packages. The company is headquartered in Southlake, TX. | Consumer Services |
AT&T Corp. /Old/
AT&T Corp. /Old/ Major TelecommunicationsCommunications AT & T is the global leader in providing local, long distance, Internet, and transaction-based voice and data services. AT&T provides unparalleled quality and reliability in communications services | Communications |
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