Career history of Mark Robert Zellmer
Former positions of Mark Robert Zellmer
| Companies | Position | Start | End |
|---|---|---|---|
1834 Investment Advisors Co.
 1834 Investment Advisors Co. Investment ManagersFinance 1834 Investment Advisors Co. (1834) is a SEC-registered investment advisor and wealth management firm headquartered in Milwaukee, Wisconsin. The firm was founded in 1976 as Haker Zellmer Investment Management, Inc. until 2001 when it became Northern Oak Wealth Management, Inc. They changed their name to 1834 Investment Advisors Co. in 2022. The firm is a wholly owned subsidiary of Old National Bancorp, Inc. (NASDAQ: ONB). 1834 primarily provides investment advisory services to high-net worth individuals and institutions. | Chief Executive Officer | 01/11/1989 | 23/05/2022 |
| Chairman | 01/11/1989 | 23/05/2022 | |
| Portfolio Manager-Equities | 01/11/1989 | 23/05/2022 | |
Blackthorne Partners Ltd.
 Blackthorne Partners Ltd. Investment ManagersFinance Blackthorne Partners Ltd. (Blackthorne Partners) is a private equity firm founded by John F. Syburg and Mark Robert Zellmer in 2006. The firm is headquartered in Mequon, Wisconsin. | Founder | 09/09/2010 | - |
| Private Equity Investor | 09/09/2010 | - |
Training of Mark Robert Zellmer
| Marquette University | Undergraduate Degree |
Statistics
International
| United States | 4 |
Operational
| Chief Executive Officer | 1 |
| Chairman | 1 |
| Portfolio Manager-Equities | 1 |
Sectoral
| Finance | 3 |
| Consumer Services | 2 |
Positions held
Active
Inactive
Listed companies
Private companies
Linked companies
| Private companies | 2 |
|---|---|
1834 Investment Advisors Co.
1834 Investment Advisors Co. Investment ManagersFinance 1834 Investment Advisors Co. (1834) is a SEC-registered investment advisor and wealth management firm headquartered in Milwaukee, Wisconsin. The firm was founded in 1976 as Haker Zellmer Investment Management, Inc. until 2001 when it became Northern Oak Wealth Management, Inc. They changed their name to 1834 Investment Advisors Co. in 2022. The firm is a wholly owned subsidiary of Old National Bancorp, Inc. (NASDAQ: ONB). 1834 primarily provides investment advisory services to high-net worth individuals and institutions. | Finance |
Blackthorne Partners Ltd.
Blackthorne Partners Ltd. Investment ManagersFinance Blackthorne Partners Ltd. (Blackthorne Partners) is a private equity firm founded by John F. Syburg and Mark Robert Zellmer in 2006. The firm is headquartered in Mequon, Wisconsin. | Finance |
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