Brian Posner
Director/Board Member at ARCH CAPITAL GROUP LTD.
Net worth: 11 M $ as of 2024-04-29
Network origin in Brian Posner first degree
| Entity | Entity type | Industry | |
|---|---|---|---|
196
| Public Company | Pharmaceuticals: Major | 196 |
Northwestern University
 Northwestern University Other Consumer ServicesConsumer Services Northwestern University is a private institution founded in 1851 to serve the Northwest Territory, an area that now includes the states of Ohio, Indiana, Illinois, Michigan, Wisconsin and parts of Minnesota. Northwestern has three campuses
139
| College/University | Other Consumer Services | 139 |
Fidelity Management & Research Co. LLC
 Fidelity Management & Research Co. LLC Investment ManagersFinance Fidelity Management & Research Co. (FMR) is a SEC-registered investment advisor headquartered in Boston, Massachusetts. The firm was founded in 1946 and is a subsidiary of FMR LLC, also known as Fidelity Investments. FMR provides investment supervisory services, which include sub-advisory services, to Fidelity's family of mutual funds and exchange-traded funds, qualified tuition programs, privately offered unregistered investment funds, separately managed account clients, and various other institutional accounts.
126
| Subsidiary | Investment Managers | 126 |
ClearBridge Investments LLC
 ClearBridge Investments LLC Investment ManagersFinance ClearBridge Investments LLC is a SEC-registered investment advisor headquartered in New York City. The firm is a subsidiary of Legg Mason, Inc., ultimately held by Franklin Resources, Inc. (NYSE: BEN). They were founded in 2005 as ClearBridge Advisors, which operated through Citigroup Asset Management NA, and was acquired by Legg Mason that year. They changed their name to ClearBridge Investments LLC in 2012. ClearBridge Investments provides discretionary investment management services for both institutional and retail clients. The firm also acts as adviser or sub-adviser to the ClearBridge Funds which are part of the Legg Mason family of mutual funds.
102
| Subsidiary | Investment Managers | 102 |
Northwestern University Clinical & Translational Sciences Inst
67
| Private Company | 67 | |
The University of Chicago Booth School of Business
54
| College/University | Other Consumer Services | 54 |
| Public Company | Multi-Line Insurance | 42 | |
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.
23
| Subsidiary | Investment Managers | 23 |
| Subsidiary | Biotechnology | 15 | |
Warburg Pincus Asset Management, Inc.
14
| Extinct | Investment Managers | 14 |
| Public Company | Medical Specialties | 12 | |
Biogen GmbH
 Biogen GmbH Pharmaceuticals: MajorHealth Technology Part of Biogen, Inc., Biogen GmbH is a pioneer in the field of neuroscience since 1978. The company is based in Ismaning, Germany. Biogen focuses on research in therapeutic areas with a strong emphasis on difficult-to-treat diseases. The German company was founded in 1978 by Charles Weissman, Kenneth Murray, Heinz Schaller, Phillip Sharp, Walter Gilbert. The CEO is Michel Pericles Vounatsos.
10
| Subsidiary | Pharmaceuticals: Major | 10 |
Anadys Pharmaceuticals, Inc.
 Anadys Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Anadys Pharmaceuticals, Inc. develops and manufactures novel small molecule medicines. It engages in developing novel medicines in the areas of hepatitis C and oncology. The firm develops ANA598, a direct-acting antiviral for the treatment of hepatitis C. The company was founded by Stelios B. Papadopoulos and Kleanthis G. Xanthopoulos in 1992 and is headquartered in Little Falls, NJ.
9
| Subsidiary | Pharmaceuticals: Major | 9 |
Hygrove Partners LLC
 Hygrove Partners LLC Investment ManagersFinance Based in New York City, Hygrove Partners LLC is a hedge fund management firm.
2
| Extinct | Investment Managers | 2 |
AQR Funds
2
| Umbrella Fund | Investment Trusts/Mutual Funds | 2 |
Sotheby's Holdings, Inc.
 Sotheby's Holdings, Inc. Specialty StoresRetail Trade Sotheby's Holdings, Inc. is the parent company of Sotheby's worldwide live auction businesses, art-related financing and real estate brokerage activities. The Company operates in 34 countries, with principal salesrooms located in New York and London. The Company also regularly conducts auctions in 13 other salesrooms around the world, including Australia, Hong Kong, France, Italy, the Netherlands, Switzerland and Singapore. Sotheby's Holdings was founded in 1744 and is headquartered in Bloomfield Hills, MI.
1
| Extinct | Specialty Stores | 1 |
Chart of Companies connected to the second degree
Multi-company connection
Companies connected to Brian Posner via their personal network
| Company | Sector | Related people | Main position |
|---|---|---|---|
ClearBridge LLC
 ClearBridge LLC Investment ManagersFinance ClearBridge LLC is an investment advisory firm headquartered in Baltimore, Maryland. The firm was founded by Bill Miller in 1982 as Legg Mason Capital Management LLC. They are a subsidiary of Legg Mason, Inc., which is owned by Franklin Resources, Inc. (NYSE: BEN). ClearBridge provides investment advice to high net-worth individuals, investment companies, pension and profit-sharing plans, other pooled investment vehicle, charitable organizations, endowments, foundations, corporations, state or municipal government entities, sovereign wealth funds, insurance companies and other tax-exempt entities. | Investment Managers | Chief Executive Officer Chief Investment Officer Analyst-Equity Portfolio Manager-Equities Investment Committee Member Portfolio Manager-Equities Analyst-Equity | |
| Harvard Business School | College/University | Masters Business Admin Masters Business Admin Masters Business Admin Masters Business Admin Masters Business Admin 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 | Undergraduate Degree Masters Business Admin Undergraduate Degree Undergraduate Degree Undergraduate Degree Masters Business Admin | |
Biogen Idec, Inc. (North Carolina)
 Biogen Idec, Inc. (North Carolina) Pharmaceuticals: MajorHealth Technology Part of Biogen, Inc., Biogen Idec, Inc. (North Carolina) is a pharmaceutical company based in Durham, NC. The company develops pharmaceutical products. Michel Pericles Vounatsos has been the CEO of the company since 2016. | Pharmaceuticals: Major | Director/Board Member Director/Board Member Director/Board Member Chief Executive Officer Director/Board Member Chief Executive Officer | |
| New York University | College/University | Undergraduate Degree Doctorate Degree Undergraduate Degree Masters Business Admin Masters Business Admin | |
| Massachusetts Institute of Technology | College/University | Undergraduate Degree Undergraduate Degree Undergraduate Degree Undergraduate Degree Undergraduate Degree | |
Biotechnology Innovation Organization
 Biotechnology Innovation Organization Miscellaneous Commercial ServicesCommercial Services Biotechnology Innovation Organization is the world's biotechnology organization, providing advocacy, business development and communications services for more than 1,200 members worldwide. BIO members are involved in the research and development of innovative healthcare, agricultural, industrial and environmental biotechnology technologies. Corporate members range from entrepreneurial companies developing a first product to Fortune 100 multinationals. also represent state and regional biotech associations, service providers to the industry and academic centers. | Miscellaneous Commercial Services | Chairman Director/Board Member Chairman Director/Board Member Director/Board Member | |
Genzyme Corp.
 Genzyme Corp. Medical SpecialtiesHealth Technology Genzyme Corp. engages in development and manufacture of specialty therapeutic, surgical and diagnostic product. It serves in the areas of rare genetic diseases, multiple sclerosis, cardiovascular diseases and endocrinology. The company was founded on June 8, 1981 and is headquartered in Cambridge, MA. | Medical Specialties | Director/Board Member Director/Board Member President Director/Board Member | |
| Boston University | College/University | Undergraduate Degree Masters Business Admin Undergraduate Degree Graduate Degree | |
| The Wharton School of the University of Pennsylvania | College/University | Masters Business Admin Masters Business Admin Masters Business Admin Masters Business Admin | |
| Stanford University | College/University | Undergraduate Degree Director/Board Member Doctorate Degree Doctorate Degree | |
| University of Michigan | College/University | Undergraduate Degree Masters Business Admin Undergraduate Degree Masters Business Admin | |
ImClone LLC
 ImClone LLC BiotechnologyHealth Technology ImClone LLC develops targeted biologic treatments designed for the medical needs of patients with tumors. The company was founded in 1984 and is headquartered in Bridgewater, NJ. | Biotechnology | Chief Tech/Sci/R&D Officer Director/Board Member Director/Board 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 | Director/Board Member Undergraduate Degree Masters Business Admin | |
| MORGAN STANLEY | Investment Managers | Corporate Officer/Principal Corporate Officer/Principal Chief Tech/Sci/R&D Officer | |
| The Trustees of Columbia University in The City of New York | College/University | Masters Business Admin Graduate Degree Doctorate Degree | |
The American Academy of Actuaries
 The American Academy of Actuaries Miscellaneous Commercial ServicesCommercial Services The American Academy of Actuaries provides leadership, objective expertise, and actuarial advice on risk and financial security issues to assist public policymakers on all levels. The private company is based in Washington and has subsidiaries in the United States. The academy also sets qualification, practice, and professionalism standards for actuaries credentialed by one or more of the five U.S.-based actuarial organizations. | Miscellaneous Commercial Services | Corporate Officer/Principal Corporate Officer/Principal Corporate Officer/Principal | |
| Columbia Business School | College/University | Masters Business Admin Masters Business Admin Masters Business Admin | |
| Yale University | College/University | Undergraduate Degree Doctorate Degree Undergraduate Degree | |
| Boston College | College/University | Undergraduate Degree Undergraduate Degree Undergraduate Degree | |
| Stanford Graduate School of Business | College/University | Director/Board Member Masters Business Admin Masters Business Admin | |
| WATFORD HOLDINGS LTD. | Multi-Line Insurance | Director/Board Member Director/Board Member Director/Board Member | |
Wyeth Corp.
 Wyeth Corp. Pharmaceuticals: MajorHealth Technology Wyeth LLC develops, manufactures, and distributes pharmaceuticals and biological substances. The company was founded in 1926 and is headquartered in Madison, NJ. | Pharmaceuticals: Major | Corporate Officer/Principal President Corporate Officer/Principal | |
| University of Pennsylvania | College/University | Masters Business Admin Masters Business Admin Masters Business Admin | |
| Dartmouth College | College/University | Undergraduate Degree Undergraduate Degree Undergraduate Degree | |
Somers Re Ltd.
 Somers Re Ltd. Property/Casualty InsuranceFinance Somers Re Ltd. engages in the provision of reinsurance underwriting strategy. It specializes in customized products reinsurance, direct and facultative, international casualty, marine and offshore energy, mortgage, personal accident and life, and property insurance services. The company was founded on July 19, 2013 and is headquartered in Pembroke, Bermuda. | Property/Casualty Insurance | Director/Board Member Director/Board Member Director/Board Member | |
Arch Reinsurance Ltd.
 Arch Reinsurance Ltd. Multi-Line InsuranceFinance Arch Reinsurance Ltd. is engaged in the provision of specialty and casualty reinsurance products. Such products include reinsurance of property catastrophe and property excess of loss and professional liability and marine treaties. The company was founded in 2001 and is headquartered in Hamilton, Bermuda. | Multi-Line Insurance | Chief Executive Officer General Counsel Chief Executive Officer | |
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 Corporate Officer/Principal | |
Arch Investment Management Ltd.
 Arch Investment Management Ltd. Investment ManagersFinance Arch Investment Management Ltd. (AIM) is an investment management firm headquartered in Pembroke, Bermuda. The firm is owned by Arch Capital Group Ltd. (NASDAQ: ACGL). AIM manages their parent company’s investment portfolio. | Investment Managers | Corporate Officer/Principal Chief Executive Officer | |
US Food & Drug Administration
 US Food & Drug Administration General GovernmentGovernment US Food & Drug Administration operates agencies to protect health and human services. It protects and promotes public health through the control and supervision of food safety, tobacco products, dietary supplements, prescription and over-the-counter pharmaceutical drugs, vaccines, biopharmaceuticals, blood transfusions, medical devices, electromagnetic radiation emitting devices, cosmetics, animal foods and feed and veterinary products. The company was founded by Theodore Roosevelt and Harvey Washington Wiley on 30th June, 1906 and is headquartered in Silver Spring, MD. | General Government | Corporate Officer/Principal Corporate Officer/Principal | |
TriPath Imaging, Inc.
 TriPath Imaging, Inc. Pharmaceuticals: MajorHealth Technology TriPath Imaging, Inc. engages in the development, manufacture, and market of equipment and products for cervical cytology screening. The company was founded on November 15, 1996 and is headquartered in Burlington, NC. | Pharmaceuticals: Major | Chief Executive Officer Director of Finance/CFO | |
Goldman Sachs & Co. LLC
 Goldman Sachs & Co. LLC Investment Banks/BrokersFinance Goldman Sachs & Co. LLC (GS&Co.) is a securities brokerage firm headquartered in New York City. Founded in 1927, the firm is a subsidiary of The Goldman Sachs Group, Inc. (NYSE: GS). GS&Co. provides services to help hedge funds manage risk, monitor portfolios, maintain liquidity and build their businesses. They offer clients access to global equity and derivatives markets, as well as foreign exchange, commodities, European Lefts, rates and credit across the Americas, Europe and Asia. The firm proactively monitors capital markets, searching for pockets of liquidity and news that may require changes to those strategies. Integration with the Goldman Sachs network gives clients access to the firm's sectored block trades and their insights into price discovery. Their electronic trading program provides clients with tools to manage their trades from pre-trade analytics to post-trade analysis. | Investment Banks/Brokers | Corporate Officer/Principal Corporate Officer/Principal | |
UBS Securities LLC
 UBS Securities LLC Investment ManagersFinance UBS Securities LLC is an investment bank and registered broker/dealer headquartered in New York City. The firm was founded in 1998 as UBS Warburg LLC. They are a subsidiary of UBS Americas Holding LLC, ultimately held by UBS Group AG (SWX: UBSG, NYSE: UBS) in Switzerland. UBS Securities is a primary dealer in US Government securities and provides a full range of investment banking services which includes corporate finance, mergers and acquisitions, capital markets, trading and sales, fixed-income, equity research, private banking, underwriting and prime brokerage operations. The firm also provides advisory services and access to capital markets for corporate, institutional, intermediary and alternative asset management clients. | Investment Managers | Analyst-Fixed Income Analyst-Equity | |
| LMP CAPITAL AND INCOME FUND INC. | Investment Trusts/Mutual Funds | Corporate Officer/Principal Corporate Officer/Principal | |
Orthocon, Inc.
 Orthocon, Inc. Medical SpecialtiesHealth Technology Orthocon, Inc. designs, develops, and markets medical implantable devices. It provides implantable products designed to stop bone bleeding. The company was founded in 2005 and is headquartered in Irvington, NY. | Medical Specialties | Chief Executive Officer Director of Finance/CFO | |
| The University of Texas at Austin | College/University | Undergraduate Degree Masters Business Admin | |
| VERTEX PHARMACEUTICALS INCORPORATED | Pharmaceuticals: Major | Director/Board Member Chief Tech/Sci/R&D Officer | |
Arch Capital Services LLC
 Arch Capital Services LLC Investment ManagersFinance Arch Capital Services LLC (ACSL) is the asset management subsidiary of Arch Capital Group Ltd. (NASDAQ: ACGL) in Bermuda. The firm provides investment management services to their parent company. ACSL is headquartered in White Plains, New York. | Investment Managers | Chief Executive Officer Corporate Officer/Principal | |
| AMERICAN INTERNATIONAL GROUP, INC. | Multi-Line Insurance | Corporate Officer/Principal Director of Finance/CFO | |
| University of California, Los Angeles | College/University | Undergraduate Degree Masters Business Admin | |
| Robert H. Smith School of Business | College/University | Graduate Degree Masters Business Admin | |
| The Association of Bermuda Insurers & Reinsurers | Chairman Chairman | ||
National Academy of Engineering
 National Academy of Engineering Miscellaneous Commercial ServicesCommercial Services Part of The National Academies of Science, the National Academy of Engineering operates as a professional membership organization. The company is based in Washington. | Miscellaneous Commercial Services | Corporate Officer/Principal Corporate Officer/Principal |
Statistics
International
| United States | 45 |
| Bermuda | 6 |
| United Kingdom | 2 |
Sectoral
| Consumer Services | 19 |
| Finance | 16 |
| Health Technology | 10 |
| Commercial Services | 5 |
| Miscellaneous | 3 |
Operational
| Director/Board Member | 494 |
| Corporate Officer/Principal | 219 |
| Independent Dir/Board Member | 150 |
| Chairman | 98 |
| Undergraduate Degree | 90 |
Most connected contacts
| Insiders | |
|---|---|
| Deborah DeCotis | 72 |
| William Hawkins | 49 |
| Eric Rowinsky | 36 |
| William Young | 32 |
| Kleanthis Xanthopoulos | 29 |
| John Bunce | 28 |
| Caroline Dorsa | 27 |
| Stephen Sherwin | 26 |
| Stelios Papadopoulos | 26 |
| Robert W. Pangia | 26 |
| Nicolas Papadopoulo | 25 |
| Alexander Denner | 25 |
| Kewsong Lee | 24 |
| Eugene Sunshine | 24 |
| Yie-Hsin Hung | 22 |
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