![Michael S. O'Brien](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Michael S. O'Brien
Corporate Officer/Principal at
Wilson Sonsini Goodrich & Rosati PC
Profile
Michael S.
O'Brien is currently an Associate at Wilson Sonsini Goodrich & Rosati PC.
Previously, he worked as a Principal at Bear, Stearns & Co., Inc. from 1971 to 1975, an Analyst at Oscar Gruss & Son, Inc. from 1991 to 2012, a Principal at Oppenheimer & Co., Inc. from 1978 to 1986, a Principal at Balfour Investors, Inc. in 1990, a Principal at Alex.
Brown & Sons, Inc. from 1986 to 1990, and a Principal at Paine, Webber, Jackson & Curtis, Inc. from 1977 to 1978.
Michael S. O'Brien active positions
| Companies | Position | Start |
|---|---|---|
Wilson Sonsini Goodrich & Rosati PC
 Wilson Sonsini Goodrich & Rosati PC Miscellaneous Commercial ServicesCommercial Services Provides legal services | Corporate Officer/Principal | - |
Former positions of Michael S. O'Brien
| Companies | Position | End |
|---|---|---|
Oscar Gruss & Son, Inc.
 Oscar Gruss & Son, Inc. Investment Banks/BrokersFinance Provides brokerage services | Analyst-Equity | 2012-09-30 |
Balfour Investors Inc
 Balfour Investors Inc Investment ManagersFinance Balfour Investors invests in small & middle market companies located in the United States with an EBITDA of up to USD 150 million. The firm focuses on a broad range of sectors & industries. It participates in distressed & buyout transactions. The firm acquires controlling interest. | Corporate Officer/Principal | 1991-03-30 |
Alex. Brown & Sons, Inc.
 Alex. Brown & Sons, Inc. Investment Banks/BrokersFinance Provides investment and investment banking services to individuals and entities | Corporate Officer/Principal | 1990-09-29 |
Oppenheimer & Co., Inc.
 Oppenheimer & Co., Inc. Investment ManagersFinance Provides wealth and asset management, brokerage & investment banking services | Corporate Officer/Principal | 1986-06-29 |
Paine, Webber, Jackson & Curtis, Inc.
 Paine, Webber, Jackson & Curtis, Inc. Investment Banks/BrokersFinance Provides securities brokerage services | Corporate Officer/Principal | 1978-05-30 |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
93
1st degree connections
7
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 7 |
|---|---|
Bear, Stearns & Co., Inc.
 Bear, Stearns & Co., Inc. Investment Banks/BrokersFinance Provides investment banking, securities trading and brokerage Services | Finance |
Oscar Gruss & Son, Inc.
Oscar Gruss & Son, Inc. Investment Banks/BrokersFinance Provides brokerage services | Finance |
Oppenheimer & Co., Inc.
Oppenheimer & Co., Inc. Investment ManagersFinance Provides wealth and asset management, brokerage & investment banking services | Finance |
Balfour Investors Inc
Balfour Investors Inc Investment ManagersFinance Balfour Investors invests in small & middle market companies located in the United States with an EBITDA of up to USD 150 million. The firm focuses on a broad range of sectors & industries. It participates in distressed & buyout transactions. The firm acquires controlling interest. | Finance |
Wilson Sonsini Goodrich & Rosati PC
Wilson Sonsini Goodrich & Rosati PC Miscellaneous Commercial ServicesCommercial Services Provides legal services | Commercial Services |
Alex. Brown & Sons, Inc.
Alex. Brown & Sons, Inc. Investment Banks/BrokersFinance Provides investment and investment banking services to individuals and entities | Finance |
Paine, Webber, Jackson & Curtis, Inc.
Paine, Webber, Jackson & Curtis, Inc. Investment Banks/BrokersFinance Provides securities brokerage services | Finance |
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