John Thain
Net worth: 16 M $ as of 2026-05-30
Net worth: 16 M $ as of 2026-05-30
John Alexander Thain is the founder of Pine Island Capital Partners LLC, founded in 2017, serving as Chairman.
Current jobs include Chairman at Pine Island Acquisition Corp.
since 2020; Director at Massachusetts Institute of Technology, Lincoln Center for the Performing Arts, Inc., Vivian Beaumont Theater, Inc., French-American Foundation, and Uber Technologies, Inc. (Independent Director since 2017); Independent Member-Supervisory Board at Deutsche Bank AG since 2018; Trustee at NewYork-Presbyterian Hospital since 2000, Howard University, and Antz Foundation.
Former jobs include Chairman & Chief Executive Officer at Merrill Lynch & Co., Inc. (2007–2009), Merrill Lynch, Pierce, Fenner & Smith, Inc. (2009), Merrill Lynch Canada, Inc., and Merrill Lynch, Pierce, Fenner & Smith, Inc.; Chief Executive Officer & Director at New York Stock Exchange, Inc. (2004–2006), NYSE Group, Inc. (2005–2007), and NYSE Euronext, Inc. (2006–2007); Chairman & Chief Executive Officer at Merrill Lynch & Co., Inc. (2007–2008); Chairman at CIT Group, Inc. (2016); Chairman at Merrill Lynch & Co. Canada Ltd. (2007–2009); Executive Chairman at Efficient Finance Ltd.; President, Chief Operating Officer & Director at The Goldman Sachs Group, Inc. (2003–2004); Director at BlackRock Finance, Inc. (2008–2009); Director at The Partnership for New York City, Inc., The New York Botanical Garden, and Enjoy Technology LLC; President-Global Investment Banking & Markets at Bank of America Corp.
(2007–2009).
Education includes an MBA from Harvard University (1979) and an undergraduate degree from Massachusetts Institute of Technology (1977).
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-05-04 | 186,876 ( 0.01% ) | 13 M $ | 2026-05-30 | |
| 2026-02-05 | 100,000 ( 0.01% ) | 3 M $ | 2026-05-30 |
| Companies | Position | Start |
|---|---|---|
| UBER TECHNOLOGIES, INC. | Director/Board Member | 2017-09-30 |
| DEUTSCHE BANK AG | Director/Board Member | 2018-05-23 |
| PINE ISLAND ACQUISITION CORP. | Chairman | 2020-08-20 |
Howard University
Howard University Other Consumer ServicesConsumer Services Functions as a College/University | Director/Board Member | 2010-03-07 |
Pine Island Capital Partners LLC
Pine Island Capital Partners LLC Investment ManagersFinance Pine Island Capital invests in middle market companies located in the United States and Canada with an enterprise value of USD 100 - 500 million. The firm focuses on aerospace, industrial technology, government services, defense, space systems, and information-based technologies It provides financing for buyout transactions. The firm acquires control and minority interest. | Founder | 2016-12-31 |
Lincoln Center for the Performing Arts, Inc.
Lincoln Center for the Performing Arts, Inc. Movies/EntertainmentConsumer Services Promotes cultural and educational programmes | Director/Board Member | - |
Vivian Beaumont Theater, Inc.
Vivian Beaumont Theater, Inc. Movies/EntertainmentConsumer Services Provides box office, membership, and gallery information | Director/Board Member | - |
Massachusetts Institute of Technology
Massachusetts Institute of Technology Finance/Rental/LeasingFinance Functions as a College/University | Director/Board Member | - |
Antz Foundation | Director/Board Member | 2010-04-12 |
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Active
Inactive
Listed companies
Private companies
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
| Private companies | 28 |
|---|---|
CIT Group, Inc.
CIT Group, Inc. Major BanksFinance Operates as bank holding company whose subsidiaries provides banking services | Finance |
Merrill Lynch & Co., Inc. /Old/
Merrill Lynch & Co., Inc. /Old/ Investment Banks/BrokersFinance Provides wealth management, securities trading and sales, corporate finance and investment banking services | Finance |
Bank of America Corp.
Bank of America Corp. Major BanksFinance Operates as a bank holding company whose subsidiaries provides consumer and global banking, markets brokerage & wealth and investment management services | Finance |
Deutsche Bank AG
Deutsche Bank AG Investment Banks/BrokersFinance Provides investment and corporate banking & asset management services | Finance |
Merrill Lynch, Pierce, Fenner & Smith, Inc. /Old/
Merrill Lynch, Pierce, Fenner & Smith, Inc. /Old/ Investment Banks/BrokersFinance Provides brokerage services | Finance |
The Goldman Sachs Group, Inc.
The Goldman Sachs Group, Inc. Investment Banks/BrokersFinance Provides investment banking, asset, wealth management and platform services | Finance |
BlackRock Finance, Inc.
BlackRock Finance, Inc. Investment ManagersFinance Provides asset and investment advisory & risk management solutions | Finance |
Merrill Lynch Canada, Inc.
Merrill Lynch Canada, Inc. Investment Banks/BrokersFinance Provides brokerage services | Finance |
New York Stock Exchange, Inc.
New York Stock Exchange, Inc. Investment Banks/BrokersFinance Operates securities exchange market | Finance |
NYSE Group, Inc.
NYSE Group, Inc. Investment Banks/BrokersFinance Operates multiple securities stock exchange | Finance |
Merrill Lynch & Co. Canada Ltd.
Merrill Lynch & Co. Canada Ltd. Regional BanksFinance Functions as an investment bank | Finance |
Efficient Finance Ltd.
Efficient Finance Ltd. Packaged SoftwareTechnology Services Engaged in financial engineering and information technology services. | Technology Services |
Harvard University
Harvard University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
NewYork-Presbyterian Hospital
NewYork-Presbyterian Hospital Hospital/Nursing ManagementHealth Services Owns and operates hospitals and that provides medical care & telemedicine services | Health Services |
Massachusetts Institute of Technology
Massachusetts Institute of Technology Finance/Rental/LeasingFinance Functions as a College/University | Finance |
Howard University
Howard University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Lincoln Center for the Performing Arts, Inc.
Lincoln Center for the Performing Arts, Inc. Movies/EntertainmentConsumer Services Promotes cultural and educational programmes | Consumer Services |
The Partnership for New York City, Inc.
The Partnership for New York City, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a charitable organization | Commercial Services |
NYSE Euronext, Inc.
NYSE Euronext, Inc. Investment Banks/BrokersFinance Operates as financial market that provides trading solutions for businesses | Finance |
Vivian Beaumont Theater, Inc.
Vivian Beaumont Theater, Inc. Movies/EntertainmentConsumer Services Provides box office, membership, and gallery information | Consumer Services |
The New York Botanical Garden
The New York Botanical Garden Other Consumer ServicesConsumer Services Operates a botanical garden | Consumer Services |
French-American Foundation
French-American Foundation Investment Trusts/Mutual FundsMiscellaneous Operates as a non profit organization for social services | Miscellaneous |
Antz Foundation | |
Uber Technologies, Inc.
Uber Technologies, Inc. Other TransportationTransportation Develops and operates proprietary technology applications for ridesharing & delivery services | Transportation |
Merrill Lynch & Co., Inc.
Merrill Lynch & Co., Inc. Investment ManagersFinance Provides wealth management, securities trading and sales, corporate finance and investment banking services | Finance |
Enjoy Technology LLC
Enjoy Technology LLC Internet RetailRetail Trade Operates a personal e-Commerce platform | Retail Trade |
Pine Island Capital Partners LLC
Pine Island Capital Partners LLC Investment ManagersFinance Pine Island Capital invests in middle market companies located in the United States and Canada with an enterprise value of USD 100 - 500 million. The firm focuses on aerospace, industrial technology, government services, defense, space systems, and information-based technologies It provides financing for buyout transactions. The firm acquires control and minority interest. | Finance |
Pine Island Acquisition Corp.
Pine Island Acquisition Corp. Financial ConglomeratesFinance Operates as a blank check company | Finance |
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