Mark Bennett O'Brien
Chairman at O'Brien Greene & Co., Inc.
Mark Bennett O'Brien active positions
| Companies | Position | Start | End |
|---|---|---|---|
O'Brien Greene & Co., Inc.
 O'Brien Greene & Co., Inc. Investment ManagersFinance O'Brien Greene & Co., Inc. (O'Brien Greene) is an independent, SEC-registered investment adviser headquartered in Media, Pennsylvania. Founded in 1969 by G. Davis Greene, Mark O’Brien took over ownership and management of the firm in 1987 and changed its name Greene Associates to O’Brien Greene & Co, Inc. O'Brien Greene provides investment advice to individuals, families, corporations, pension and profit- sharing plans, trusts, estates and charitable organizations. | Chairman | 2021-12-31 | - |
| Portfolio Manager-Equities | 1986-12-31 | - | |
| Chief Executive Officer | 1986-12-31 | 2021-12-31 | |
| Chief Investment Officer | 1986-12-31 | 2021-12-31 | |
| President | 1986-12-31 | 2021-12-31 | |
O'Brien Greene Small-Capitalization Stock Fund LP
 O'Brien Greene Small-Capitalization Stock Fund LP Financial ConglomeratesFinance O'Brien Greene Small-Capitalization Stock Fund LP provides investment services. The company is headquartered in Media, PA. | President | - | - |
Career history of Mark Bennett O'Brien
Former positions of Mark Bennett O'Brien
| Companies | Position | Start | End |
|---|---|---|---|
Brown Brothers Harriman & Co. (Investment Management)
 Brown Brothers Harriman & Co. (Investment Management) Investment ManagersFinance Brown Brothers Harriman & Co. (Investment Management) (BBH-IM) is the investment management division of Brown Brothers Harriman & Co., a registered broker/dealer headquartered in New York City. The firm was founded in 1931 and do-business-as Brown Brothers Harriman Mutual Fund Advisory Department. BBH-IM advises or sub-advises Mutual Funds, an ETF, and UCITS Funds. | Portfolio Manager-Equities | - | 1987-01-30 |
Ashford Capital Management, Inc.
 Ashford Capital Management, Inc. Investment ManagersFinance Ashford Capital Management, Inc. (Ashford) is an independent, SEC-registered investment advisor headquartered in Wilmington, Delaware. The firm was founded by Theodore H. Ashford in 1979. Ashford offers investment management services to institutions and high net worth individuals that seek to discover small growth companies. The firm offers both separately managed accounts and limited partnership investment opportunities. | Analyst-Equity | - | - |
| TEXTRON INC. | Corporate Officer/Principal | 1975-12-31 | - |
Training of Mark Bennett O'Brien
| Princeton University | Undergraduate Degree |
| The Wharton School of the University of Pennsylvania | Masters Business Admin |
| University of Pennsylvania | Graduate Degree |
Statistics
International
| United States | 9 |
Operational
| Portfolio Manager-Equities | 2 |
| President | 2 |
| Chief Executive Officer | 1 |
Sectoral
| Finance | 5 |
| Consumer Services | 4 |
| Electronic Technology | 2 |
Positions held
Active
Inactive
Listed companies
Private companies
Linked companies
| Listed companies | 1 |
|---|---|
| TEXTRON INC. | Electronic Technology |
| Private companies | 4 |
|---|---|
O'Brien Greene & Co., Inc.
O'Brien Greene & Co., Inc. Investment ManagersFinance O'Brien Greene & Co., Inc. (O'Brien Greene) is an independent, SEC-registered investment adviser headquartered in Media, Pennsylvania. Founded in 1969 by G. Davis Greene, Mark O’Brien took over ownership and management of the firm in 1987 and changed its name Greene Associates to O’Brien Greene & Co, Inc. O'Brien Greene provides investment advice to individuals, families, corporations, pension and profit- sharing plans, trusts, estates and charitable organizations. | Finance |
Ashford Capital Management, Inc.
Ashford Capital Management, Inc. Investment ManagersFinance Ashford Capital Management, Inc. (Ashford) is an independent, SEC-registered investment advisor headquartered in Wilmington, Delaware. The firm was founded by Theodore H. Ashford in 1979. Ashford offers investment management services to institutions and high net worth individuals that seek to discover small growth companies. The firm offers both separately managed accounts and limited partnership investment opportunities. | Finance |
Brown Brothers Harriman & Co. (Investment Management)
Brown Brothers Harriman & Co. (Investment Management) Investment ManagersFinance Brown Brothers Harriman & Co. (Investment Management) (BBH-IM) is the investment management division of Brown Brothers Harriman & Co., a registered broker/dealer headquartered in New York City. The firm was founded in 1931 and do-business-as Brown Brothers Harriman Mutual Fund Advisory Department. BBH-IM advises or sub-advises Mutual Funds, an ETF, and UCITS Funds. | Finance |
O'Brien Greene Small-Capitalization Stock Fund LP
O'Brien Greene Small-Capitalization Stock Fund LP Financial ConglomeratesFinance O'Brien Greene Small-Capitalization Stock Fund LP provides investment services. The company is headquartered in Media, PA. | Finance |
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