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Ian Isaacs
Director/Board Member at
GREENLIGHT CAPITAL RE, LTD.
Net worth: 2 M $ as of 2026-06-29
Profile
Ian Isaacs is currently Independent Director at Greenlight Capital Re Ltd. since 2008, Director at Greenlight Reinsurance Ltd. since 2008, and Senior Vice President-Investment at Painewebber & Co., Inc. since 1995.
Former roles include Director at Greenlight Capital Re Ltd. in 2007, Senior Vice President at UBS Financial Services, Inc. from 2000 to 2008, Senior Vice President at UBS Securities LLC from 2000 to 2008, Senior Partner at Gagnon Securities LLC from 2012 to 2015, Senior Partner at Merlin Securities LLC from 2008 to 2012, Partner at Tekla Capital Management LLC in 1990, Partner at Hambrecht & Quist from 1985 to 1990, and Managing Member at Katonah Research LLC.
Education includes an undergraduate degree from Carleton College, conferred in 1977.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-06-28 | 100,000 ( 0.3% ) | 2 M $ | 2026-06-29 |
Ian Isaacs active positions
| Companies | Position | Start |
|---|---|---|
| GREENLIGHT CAPITAL RE, LTD. | Director/Board Member | 2008-04-30 |
Greenlight Reinsurance Ltd.
 Greenlight Reinsurance Ltd. Property/Casualty InsuranceFinance Provides property and casualty reinsurance services | Director/Board Member | 2008-04-30 |
Painewebber & Co., Inc.
 Painewebber & Co., Inc. Investment Banks/BrokersFinance Provides stock brokerage and asset management services | Chief Investment Officer | 1994-12-31 |
Former positions of Ian Isaacs
| Companies | Position | End |
|---|---|---|
Gagnon Securities LLC
 Gagnon Securities LLC Investment ManagersFinance Gagnon Securities takes a research intensive, generalist approach to evaluating investments. Their stocks selection process is based on proprietary in-house research. The firm employs a fundamental approach that seeks to identify and invest in companies that represent under-appreciated value. | Corporate Officer/Principal | 2015-03-31 |
Merlin Securities LLC
 Merlin Securities LLC Investment Banks/BrokersFinance Provides brokerage services | Director of Research - Equity | 2010-07-04 |
UBS Securities LLC
 UBS Securities LLC Investment Banks/BrokersFinance Provides brokerage services | Corporate Officer/Principal | 2008-02-29 |
UBS Financial Services, Inc.
 UBS Financial Services, Inc. Investment ManagersFinance UBS Financial Services' asset allocations are based on a proprietary methodology. In developing those allocations, the firm considers asset class risk and return results that are based on estimated forward-looking return and risk assumptions, as measured by standard deviation, which are based on UBS proprietary research. The development process includes a review of a variety of factors, including the return, risk, correlations and historical performance of various asset classes, inflation and risk premium. | Corporate Officer/Principal | 2008-02-29 |
| GREENLIGHT CAPITAL RE, LTD. | Director/Board Member | 2007-01-31 |
Training of Ian Isaacs
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
98
1st degree connections
11
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 11 |
|---|---|
UBS Financial Services, Inc.
UBS Financial Services, Inc. Investment ManagersFinance UBS Financial Services' asset allocations are based on a proprietary methodology. In developing those allocations, the firm considers asset class risk and return results that are based on estimated forward-looking return and risk assumptions, as measured by standard deviation, which are based on UBS proprietary research. The development process includes a review of a variety of factors, including the return, risk, correlations and historical performance of various asset classes, inflation and risk premium. | Finance |
Gagnon Securities LLC
Gagnon Securities LLC Investment ManagersFinance Gagnon Securities takes a research intensive, generalist approach to evaluating investments. Their stocks selection process is based on proprietary in-house research. The firm employs a fundamental approach that seeks to identify and invest in companies that represent under-appreciated value. | Finance |
UBS Securities LLC
UBS Securities LLC Investment Banks/BrokersFinance Provides brokerage services | Finance |
Merlin Securities LLC
Merlin Securities LLC Investment Banks/BrokersFinance Provides brokerage services | Finance |
Greenlight Capital Re Ltd.
 Greenlight Capital Re Ltd. Property/Casualty InsuranceFinance Operates a holding company with interest in providing property and casualty reinsurance services | Finance |
Tekla Capital Management LLC
 Tekla Capital Management LLC Investment ManagersFinance Tekla primarily focuses on healthcare investing. Their funds invest in public and private growth equities in the healthcare and life sciences industries. | Finance |
Carleton College
 Carleton College Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Greenlight Reinsurance Ltd.
Greenlight Reinsurance Ltd. Property/Casualty InsuranceFinance Provides property and casualty reinsurance services | Finance |
Hambrecht & Quist | |
Katonah Research LLC | |
Painewebber & Co., Inc.
Painewebber & Co., Inc. Investment Banks/BrokersFinance Provides stock brokerage and asset management services | Finance |
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