Tom Callahan
Chief Executive Officer at Callahan Advisors LLC
Network origin in Tom Callahan first degree
| Entity | Entity type | Industry | |
|---|---|---|---|
University of Notre Dame
77
| College/University | Other Consumer Services | 77 |
The Wharton School of the University of Pennsylvania
38
| College/University | Other Consumer Services | 38 |
American Electric Technologies, Inc.
 American Electric Technologies, Inc. Telecommunications EquipmentElectronic Technology American Electric Technologies, Inc. provides power delivery solutions to the traditional and renewable energy industries. Its operations include AETI corporate, M&I Electric Brazil, and BOMAY. It provides maintenance installation and repairs in Brazil and offers electrical and instrumentation construction and installation services. The company was founded in 1946 and is headquartered in Bellaire, TX.
8
| Extinct | Telecommunications Equipment | 8 |
Callahan Advisors LLC
 Callahan Advisors LLC Investment ManagersFinance Callahan Advisors LLC is an independent registered investment advisor headquartered in Houston, Texas. The firm was founded by Thomas Callahan and William Leighton in 1999 as Callahan Leighton & Co. Callahan Advisors provides investment management services to individuals, foundations, trusts, estates, 401-(k) plans and IRAs, charitable organizations, and investment clubs and partnerships.
2
| Private Company | Investment Managers | 2 |
Chart of Companies connected to the second degree
Multi-company connection
Companies connected to Tom Callahan via their personal network
| Company | Sector | Related people | Main position |
|---|---|---|---|
| The Trustees of Columbia University in The City of New York | College/University | Masters Business Admin Masters Business Admin Masters Business Admin Masters Business Admin | |
| Harvard Business School | College/University | Masters Business Admin Masters Business Admin Corporate Officer/Principal Masters Business Admin | |
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 | Graduate Degree Doctorate Degree Masters Business Admin Graduate Degree | |
| University of Pennsylvania | College/University | Director/Board Member Undergraduate Degree Undergraduate Degree Corporate Officer/Principal | |
| University of Wisconsin | College/University | Graduate Degree Masters Business Admin Masters Business Admin | |
| The University of Chicago | College/University | Masters Business Admin Doctorate Degree Masters Business Admin | |
| Stanford University | College/University | Graduate Degree Masters Business Admin Graduate Degree | |
International Mining Machinery Holdings Ltd.
 International Mining Machinery Holdings Ltd. Trucks/Construction/Farm MachineryProducer Manufacturing International Mining Machinery Holdings Ltd.engages in the design, manufacture and sale of underground longwall coal mining equipment. It operates through the following segments: Roadheader Products and Aftermarket Parts and Services, Shearer Products and Aftermarket Parts and Services, Armoured-face Conveyors and Related Products and Aftermarket Parts and Services, and Electric Control Systems and Related Products and Aftermarket Parts and Services. The Roadheader Products and Aftermarket Parts and Services segment is engaged in the design, manufacture and sale of roadheader products and the provision of aftermarket services which include onsite service repairs, overhaul and supply of spare parts to customers. The Shearer Products and Aftermarket Parts and Services segment is engaged in the design, manufacture and sale of shearer products and the provision of aftermarket services which include onsite service repairs, overhaul and supply of spare parts to customers. The Armoured-face Conveyors and Related Products and Aftermarket Parts and Services segment is engaged in the manufacture and sale of armoured-face conveyors and related spare parts and the provision of aftermarket services which include onsite service repairs, overhaul and supply of spare parts to customers. The Electric Control Systems and Related Products and Aftermarket Parts and Services is engaged in the manufacture and sale of electric control systems and related spare parts and the provision of aftermarket services which include onsite service repairs, overhaul and supply of spare parts to customers. The company was founded on April 12, 2006 and is headquartered in Beijing, China. | Trucks/Construction/Farm Machinery | Director/Board Member Chairman | |
MSHC, Inc.
 MSHC, Inc. Engineering & ConstructionIndustrial Services MSHC, Inc. engages in the provision of aftermarket maintenance, repair, and replacement services for commercial HVAC equipment. Its services include energy services, building automation, and technology services. The company is headquartered in Charlotte, NC. | Engineering & Construction | Director/Board Member Director/Board Member | |
Edgewater Services LLC
 Edgewater Services LLC Investment ManagersFinance Edgewater Services LLC (Edgewater Services) is a Private Equity firm is founded in 1991 by Jim A Gordon. The firm is headquartered in Chicago. | Investment Managers | Director/Board Member Director/Board Member | |
| Columbia Business School | College/University | Masters Business Admin Masters Business Admin | |
| Michigan State University | College/University | Undergraduate Degree Masters Business Admin | |
Wound Care Solutions LLC
 Wound Care Solutions LLC Medical DistributorsDistribution Services Wound Care Solutions LLC supplies medical equipment. It offers surgical products in the United States. The company's clients include hospitals, clinics, and surgeons. Wound Care Solutions is headquartered in Jacksonville, FL. | Medical Distributors | Director/Board Member Director/Board Member | |
Sensus (Bermuda 2) Ltd.
 Sensus (Bermuda 2) Ltd. Electronic Equipment/InstrumentsElectronic Technology Sensus (Bermuda 2) Ltd. develops and manufactures gas and heat metering systems. The firm also produces pipe joining and repair products for water and natural gas utilities. The company was founded on December 18, 2003 and is headquartered in Raleigh, NC. | Electronic Equipment/Instruments | Director/Board Member Director/Board Member | |
| University of Michigan | College/University | Director/Board Member Masters Business Admin | |
| Rutgers State University of New Jersey | College/University | Undergraduate Degree Graduate Degree | |
Philippine Business For Education
 Philippine Business For Education Investment Trusts/Mutual FundsMiscellaneous Philippine Business For Education is a Filipino company that is involved in information technology. The private company is based in Makati City, Philippines. The company's description mentions the concept of boilerplate, which is a unit of writing that can be reused without change. The company was founded by Chito B. Salazar. | Investment Trusts/Mutual Funds | Director/Board Member Director/Board Member | |
| FORTEGRA FINANCIAL CORP | Insurance Brokers/Services | Director/Board Member Director/Board Member | |
Cristo Rey Jesuit High School
 Cristo Rey Jesuit High School Other Consumer ServicesConsumer Services Cristo Rey Jesuit High School is a private, Catholic high school that provides a college preparatory education to students from low-income families. The school is based in Chicago, IL. The school is unique in that it operates under a Corporate Work Study Program, where students work one day a week at local businesses to help offset the cost of tuition. | Other Consumer Services | Director/Board Member Chairman | |
International Mining Machinery Ltd.
 International Mining Machinery Ltd. Trucks/Construction/Farm MachineryProducer Manufacturing International Mining Machinery Ltd. manufactures, services, and distributes machinery for the coal mining industry. The company's products include hydraulic roof supports and props for long wall mining. The firm was founded in 2006 and is located in China. | Trucks/Construction/Farm Machinery | Director/Board Member Director/Board Member | |
University of Houston
 University of Houston Other Consumer ServicesConsumer Services University of Houston System offers higher education degrees and job training or vocational study programs. It offers about 280 undergraduate and graduate degree programs in fields such as business, education, humanities and law. It was founded in 1927 and is headquartered in Houston, TX. | College/University | Undergraduate Degree Graduate Degree | |
| University of California, Los Angeles | College/University | Doctorate Degree Masters Business Admin | |
University of Miami
 University of Miami Other Consumer ServicesConsumer Services University of Miami (Florida) is a private research university with students from around the world that is focused on teaching and learning, the discovery of new knowledge, and service to the South Florida region and beyond. The university was founded in 1925 and it is headquartered in Coral Gables, FL. | College/University | Masters Business Admin Graduate Degree | |
| The Johns Hopkins University | College/University | Doctorate Degree Director/Board Member | |
The Chicago Bar Association
 The Chicago Bar Association Miscellaneous Commercial ServicesCommercial Services The Chicago Bar Association is a voluntary membership organization consisting largely of lawyers and judges from Cook County and the state of Illinois. The private company is based in Chicago, IL and has subsidiaries in the United States. The association works to establish and maintain the honor and dignity of the profession of law, promote the welfare of its members, and improve the effectiveness and efficiency of the administration of justice. Founded in 1874, it is one of the oldest and most active metropolitan bar associations in the United States. | Miscellaneous Commercial Services | Corporate Officer/Principal President | |
Illinois State Bar Association
 Illinois State Bar Association Miscellaneous Commercial ServicesCommercial Services The Illinois State Bar Association is a state bar association that serves lawyers. The association is based in Springfield, IL. The association provides various resources for lawyers, including legal forms, expert services, and publications. It also offers continuing legal education programs and hosts events for lawyers. | Miscellaneous Commercial Services | Corporate Officer/Principal Corporate Officer/Principal | |
American Bar Association
 American Bar Association Miscellaneous Commercial ServicesCommercial Services American Bar Association provides legal services. It provides law school accreditation, continuing legal education, legal information and other services to assist legal professionals. The firm has members which include judges, court administrators, law professors, and non-practicing attorneys. The company was founded on August 21, 1878 and is headquartered in Chicago, IL. | Miscellaneous Commercial Services | Corporate Officer/Principal Corporate Officer/Principal | |
Council on Foreign Relations, Inc.
 Council on Foreign Relations, Inc. Investment Trusts/Mutual FundsMiscellaneous Council on Foreign Relations, Inc. provides and disseminates ideas on foreign policies to individuals, corporate members, journalists and policy makers. It operates a forum for government officials, students and other interested parties to study and discuss world issues and impact on American foreign policies. The company publishes Foreign Affairs, a magazine that comes out six times a year, along with books and studies by its own scholars. Council on Foreign Relations was founded in 1921 and is headquartered in New York City, NY. | Investment Trusts/Mutual Funds | Corporate Officer/Principal Corporate Officer/Principal | |
| The State University of New York | College/University | Graduate Degree Graduate Degree | |
| Philippine Business For Social Progress | Chairman Corporate Officer/Principal | ||
| MORGAN STANLEY | Investment Managers | Corporate Officer/Principal Institutional Sales | |
| Texas A&M University | College/University | Undergraduate Degree Undergraduate Degree | |
Cornell University
 Cornell University Other Consumer ServicesConsumer Services Cornell University is an educational institution that offers undergraduate and post graduate programs. It was founded in 1865 and is based in Ithaca, NY. | College/University | Undergraduate Degree Undergraduate Degree | |
| BAXTER INTERNATIONAL INC. | Medical Specialties | Corporate Officer/Principal Corporate Officer/Principal | |
TJC LP
 TJC LP Investment ManagersFinance TJC LP (TJC) is a private equity firm founded in 1982 by Jay W. Jordan and David W. Zalaznick. The firm is headquartered in New York. | Investment Managers | Founder Investment Committee Member | |
Duke University
 Duke University Other Consumer ServicesConsumer Services Duke University is an academic university that offers undergraduate, graduate and professional programs. It also has publications and research services. The university was founded in 1838 and is headquartered in Durham, NC. | College/University | Doctorate Degree Undergraduate Degree | |
Kinetek, Inc.
 Kinetek, Inc. Electrical ProductsProducer Manufacturing Kinetek, Inc. provides custom engineered control, motor and drive system solutions. Its products includes AC, DC and brushless DC electric motors, pumps, gearing, gearboxes, fans, transaxles, human machine interface products, electronic controls and systems and end products. The company is headquartered in St. Louis, MO. | Electrical Products | Director/Board Member Chairman | |
Seraph Group LLC
 Seraph Group LLC Investment ManagersFinance Seraph Group LLC (Seraph Group) is a venture capital firm founded in 2003 by Tuff Yen. The firm is headquartered in Atlanta, Georgia. | Investment Managers | Investment Committee Member | |
| Florida Gulf Coast University Finance Corp. | Director/Board Member | ||
ScriptRx, Inc.
 ScriptRx, Inc. Medical/Nursing ServicesHealth Services ScriptRx, Inc. provides software development and management services for the healthcare industry. It offers software, and networking technologies into a touch screen computer system for prescription writing, patient discharge instructions, computerized physician order entry, charting, and online physician reference materials. The company was founded in 1999 and is headquartered in West Palm Beach, FL. | Medical/Nursing Services | Director/Board Member | |
Greater Naples Chamber of Commerce
 Greater Naples Chamber of Commerce Miscellaneous Commercial ServicesCommercial Services Greater Naples Chamber of Commerce operates as a non-profit organization. The firm operates as a platform for member services, the partnership for collier future economy, public policy, public communications and leadership development. The company was founded in 1947 and is headquartered in Naples, FL. | Miscellaneous Commercial Services | Chairman | |
| Florida Gulf Coast University | College/University | Director/Board Member |
Statistics
International
| United States | 46 |
| China | 3 |
| Philippines | 3 |
| France | 2 |
Sectoral
| Consumer Services | 22 |
| Finance | 9 |
| Producer Manufacturing | 5 |
| Commercial Services | 5 |
| Electronic Technology | 3 |
Operational
| Director/Board Member | 573 |
| Chairman | 234 |
| Corporate Officer/Principal | 197 |
| Undergraduate Degree | 99 |
| President | 93 |
Most connected contacts
| Insiders | |
|---|---|
| Manuel Pangilinan | 124 |
| Steven Gilbert | 91 |
| Farrokh Kaikhushru Kavarana | 50 |
| Jose Cuisia | 45 |
| Al Berkeley | 31 |
| Andres Soriano | 28 |
| Richard Perlman | 25 |
| Jay W. Jordan | 25 |
| Richard O. Martin | 25 |
| Robert Hurst | 23 |
| William P. Johnson | 23 |
| Frances Hawes | 22 |
| Paul Edward Purcell | 22 |
| Tom H. Quinn | 21 |
| Arun Kumar Maheshwari | 20 |
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