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Mike O'Brien
No open positions remaining
Net worth: 594 934 $ as of 2026-08-30
Profile
Michael John O'Brien worked at BlackRock Advisors (UK) Ltd. as Head of EMEA Institutional Business in 2010.
From 2010 to 2018, served as Chief Executive of Investment Management at JPMorgan Asset Management (UK) Ltd. Held the position of Head-Asset Management at JPMorgan Chase & Co. Served as Director at JPMorgan Asset Management International Ltd. Worked as Non-Executive Director at Carne Global Financial Services Ltd. and at Aberdeen Group Plc from 2022 to 2025.
Education includes an undergraduate degree from the University of Limerick.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
ABERDEEN GROUP PLC 0.01% | 2025-12-30 | 173,780 ( 0.01% ) | 594 934 $ | 2026-08-30 |
Former positions of Mike O'Brien
| Companies | Position | End |
|---|---|---|
| ABERDEEN GROUP PLC | Director/Board Member | 2025-05-23 |
Carne Global Financial Services Ltd.
 Carne Global Financial Services Ltd. Investment ManagersFinance Provides asset management services | Director/Board Member | 2025-05-23 |
JPMorgan Asset Management (UK) Ltd.
 JPMorgan Asset Management (UK) Ltd. Investment ManagersFinance JPAM-UK is an active, long-term manager which seeks to generate positive excess return through both a bottom-up approach emphasizing security selection and a top-down approach focusing on macro investment themes and trends to aid in determining sector weightings, currency, and yield curve weighting where appropriate. Each team has a distinct approach for analyzing their sector; utilizing a combination of fundamental, quantitative and technical inputs to identify buy and sell targets. | Chief Executive Officer | 2018-03-21 |
BlackRock Advisors (UK) Ltd.
 BlackRock Advisors (UK) Ltd. Investment ManagersFinance BlackRock UK manages investments funds that invest in cash, commodities, equity, fixed income, multi-asset and real estate. | Sales & Marketing | 2010-06-24 |
JPMorgan Asset Management International Ltd.
 JPMorgan Asset Management International Ltd. Investment ManagersFinance Engages in asset management and investment advice | Director/Board Member | - |
Training of Mike O'Brien
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
79
1st degree connections
7
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 7 |
|---|---|
JPMorgan Chase & Co.
 JPMorgan Chase & Co. Major BanksFinance Provides banking, asset management, investment banking, credit card and mortgage services | Finance |
abrdn Plc
 abrdn Plc Investment ManagersFinance Provides asset management services | Finance |
JPMorgan Asset Management (UK) Ltd.
JPMorgan Asset Management (UK) Ltd. Investment ManagersFinance JPAM-UK is an active, long-term manager which seeks to generate positive excess return through both a bottom-up approach emphasizing security selection and a top-down approach focusing on macro investment themes and trends to aid in determining sector weightings, currency, and yield curve weighting where appropriate. Each team has a distinct approach for analyzing their sector; utilizing a combination of fundamental, quantitative and technical inputs to identify buy and sell targets. | Finance |
University of Limerick
 University of Limerick Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
BlackRock Advisors (UK) Ltd.
BlackRock Advisors (UK) Ltd. Investment ManagersFinance BlackRock UK manages investments funds that invest in cash, commodities, equity, fixed income, multi-asset and real estate. | Finance |
JPMorgan Asset Management International Ltd.
JPMorgan Asset Management International Ltd. Investment ManagersFinance Engages in asset management and investment advice | Finance |
Carne Global Financial Services Ltd.
Carne Global Financial Services Ltd. Investment ManagersFinance Provides asset management services | Finance |
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