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Arthur Ainsberg
Director/Board Member at
PHENIXFIN CORPORATION
Net worth: 42 010 $ as of 31/05/2026
Profile
Arthur S.
Ainsberg is Lead Independent Director at PhenixFIN Corp.
since 2012 and President of Ainsberg Associates.
Former roles include Chairman of the New York State Board For Public Accountancy from 1999 to 2000; Director at Nomura Holding America, Inc. from 2013 to 2014; Independent Director at TPG Mortgage Investment Trust, Inc. from 2013 to 2020; Independent Director at NFP Corp.
from 2011 to 2012; Director at Nomura Securities International, Inc. from 1996 to 2014; Director at Nomura Global Financial Products, Inc.; Director at Financial Industry Regulatory Authority, Inc. from 1998 to 2000; District Director at National Association of Securities Dealers, Inc. from 1998 to 2000; Chief Operating Officer at Lehman Brothers, Inc. from 2009 to 2011; Chief Operating Officer at Brahman Capital Corp.
from 1996 to 2001; Chief Operating Officer at Bessent Capital LLC.
Education includes undergraduate and MBAistration degrees from Baruch College.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 23/01/2026 | 1,000 ( 0.05% ) | 42 010 $ | 31/05/2026 |
Arthur Ainsberg active positions
| Companies | Position | Start |
|---|---|---|
| PHENIXFIN CORPORATION | Director/Board Member | 23/11/2011 |
Ainsberg Associates | President | - |
Former positions of Arthur Ainsberg
| Companies | Position | End |
|---|---|---|
| TPG MORTGAGE INVESTMENT TRUST, INC. | Director/Board Member | 19/06/2020 |
Nomura Securities International, Inc.
 Nomura Securities International, Inc. Investment Banks/BrokersFinance Provides brokerage services | Director/Board Member | 01/12/2014 |
Nomura Holding America, Inc.
 Nomura Holding America, Inc. Miscellaneous Commercial ServicesCommercial Services Provides strategic and M&A advisory services for technology and infrastructure companies and projects | Director/Board Member | 01/12/2014 |
| NATIONAL FINANCIAL PARTNERS CORP. | Director/Board Member | 23/05/2012 |
Lehman Brothers, Inc.
 Lehman Brothers, Inc. Investment Banks/BrokersFinance Provides investment banking services | Chief Operating Officer | 01/06/2011 |
Training of Arthur Ainsberg
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
97
1st degree connections
14
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 14 |
|---|---|
Lehman Brothers, Inc.
Lehman Brothers, Inc. Investment Banks/BrokersFinance Provides investment banking services | Finance |
Nomura Holding America, Inc.
Nomura Holding America, Inc. Miscellaneous Commercial ServicesCommercial Services Provides strategic and M&A advisory services for technology and infrastructure companies and projects | Commercial Services |
Brahman Capital Corp.
 Brahman Capital Corp. Investment ManagersFinance Brahman aims to achieve attractive risk-adjusted absolute returns while seeking to minimize the risk to principal with a focus on company management. Each long/short fund seeks to generate returns through individual stock selection on both its long and short holdings. | Finance |
Bessent Capital LLC
 Bessent Capital LLC Investment ManagersFinance Bessent manages a global equity fund and a European equity vehicle. Both long/short funds have offshore counterparts and both strategies invest in large-cap stocks. Limited leverage is used. The firm looks for strong returns with low volatility. Neither the global-equity nor European-equity strategies have a particular sector focus. | Finance |
PhenixFIN Corp.
 PhenixFIN Corp. Investment Trusts/Mutual FundsMiscellaneous Functions as a closed-end investment fund or Investment trust | Miscellaneous |
TPG Mortgage Investment Trust, Inc.
 TPG Mortgage Investment Trust, Inc. Real Estate Investment TrustsFinance Operates as a residential mortgage real estate investment trust | Finance |
NFP Corp.
 NFP Corp. Insurance Brokers/ServicesFinance Provides insurance brokerage, benefits consulting, wealth management and retirement planning services | Finance |
Nomura Securities International, Inc.
Nomura Securities International, Inc. Investment Banks/BrokersFinance Provides brokerage services | Finance |
Baruch College
 Baruch College Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Nomura Global Financial Products, Inc.
 Nomura Global Financial Products, Inc. Investment Banks/BrokersFinance Provides brokerage services | Finance |
Financial Industry Regulatory Authority, Inc.
 Financial Industry Regulatory Authority, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a non profit organization that focuses on governing activities of all broker-dealer firms and brokers | Commercial Services |
National Association of Securities Dealers, Inc.
 National Association of Securities Dealers, Inc. Investment Banks/BrokersFinance Provides financial regulatory services | Finance |
New York State Board For Public Accountancy | |
Ainsberg Associates |
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