![Jack Kopnisky](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>)
Jack Kopnisky
Director/Board Member at
AMERANT BANCORP INC.
Net worth: 113 600 $ as of 2026-05-30
Profile
Jack L. Kopnisky is a businessperson who has been the head of 8 different companies. Mr. Kopnisky holds the position of President, Chief Executive Officer & Director at Sterling Bancorp (Montebello, New York) and Chief Executive Officer & Director at Sterling National Bank (Montebello, New York) (a subsidiary of Sterling Bancorp (Montebello, New York)). Mr. Kopnisky is also on the board of St. Thomas Aquinas College, Westchester County Association, Inc., Children's Museum of Manhattan, Inc. and Summer Search. In the past he occupied the position of Chief Executive Officer of SJB Escrow Corp., President & Chief Executive Officer for Key Investments, Inc., President-Customer Banking at KeyCorp and President of KeyBank, NA (Cleveland, Ohio) (a subsidiary of KeyCorp), Fund Advisor at Evolution Capital Management Partners LLC, President, Chief Executive Officer & Director at Provident New York Bancorp, President, Chief Executive & Operating Officer at First Marblehead Corp., President, Chief Executive Officer & Director at Provident Bank (Washington, DC) and Partner at Mercatus LLC. He received an undergraduate degree from Grove City College and an undergraduate degree from Stonier School of Banking.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-06-01 | 5,000 ( 0.01% ) | 113 600 $ | 2026-05-30 |
Jack Kopnisky active positions
| Companies | Position | Start |
|---|---|---|
| AMERANT BANCORP INC. | Director/Board Member | 2025-06-23 |
Westchester County Association, Inc.
 Westchester County Association, Inc. Miscellaneous Commercial ServicesCommercial Services Provides business advocacy and consulting services | Director/Board Member | - |
Amerant Bank NA
 Amerant Bank NA Major BanksFinance Operates as a national chartered commercial bank | Director/Board Member | 2025-06-23 |
Grove City College
 Grove City College Other Consumer ServicesConsumer Services Functions as a College/University | Director/Board Member | - |
The Partnership for New York City, Inc.
 The Partnership for New York City, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a charitable organization | Director/Board Member | - |
Children's Museum of Manhattan, Inc.
 Children's Museum of Manhattan, Inc. Other Consumer ServicesConsumer Services Children's Museum of Manhattan, Inc. engages children in arts, science, health, and civic themes through hands-on exhibits that incorporate artist residencies and multimedia elements. The private company is based in New York, NY. The organization extends its impact citywide with outreach initiatives such as the shelter partnerships program for children in temporary housing, the family connections program supporting bonds between incarcerated parents and their children, and accessibility programs for children of all abilities. The museum offers early childhood classes, public workshops, and digital resources for families and educators. It partners with agencies, schools, and community organizations to reach underserved populations, providing free or reduced admissions and adaptive resources. | Director/Board Member | - |
Summer Search
 Summer Search Miscellaneous Commercial ServicesCommercial Services Operates as a national youth development organization | Director/Board Member | - |
St. Thomas Aquinas College
 St. Thomas Aquinas College Other Consumer ServicesConsumer Services Functions as a College/University | Director/Board Member | - |
Former positions of Jack Kopnisky
| Companies | Position | End |
|---|---|---|
Webster Bank, NA
 Webster Bank, NA Major BanksFinance Provides banking services | Chairman | 2024-01-30 |
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Training of Jack Kopnisky
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
66
1st degree connections
22
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 22 |
|---|---|
KeyCorp
 KeyCorp Major BanksFinance Operates as a bank holding company whose subsidiary provides banking services | Finance |
Sterling National Bank (Montebello, New York)
 Sterling National Bank (Montebello, New York) Major BanksFinance Operates as a nationally chartered commercial bank | Finance |
Provident New York Bancorp
 Provident New York Bancorp Savings BanksFinance Provides financial services to businesses and individuals | Finance |
Webster Financial Corp.
 Webster Financial Corp. Savings BanksFinance Operates as a bank holding company whose subsidiary provides banking services | Finance |
SJB Escrow Corp.
 SJB Escrow Corp. Regional BanksFinance Provides banking and financial services | Finance |
Key Investments, Inc.
 Key Investments, Inc. Investment ManagersFinance Provides information technology investment services | Finance |
Mercatus LLC
 Mercatus LLC Investment ManagersFinance Provides investment advice and related services | Finance |
First Marblehead Corp.
 First Marblehead Corp. Financial ConglomeratesFinance Operates an education finance company that specializes in program engineering and asset securitization. | Finance |
Grove City College
Grove City College Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
KeyBank NA (Cleveland, Ohio)
 KeyBank NA (Cleveland, Ohio) Major BanksFinance Provides banking services | Finance |
St. Thomas Aquinas College
St. Thomas Aquinas College Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
The Partnership for New York City, Inc.
The Partnership for New York City, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a charitable organization | Commercial Services |
Westchester County Association, Inc.
Westchester County Association, Inc. Miscellaneous Commercial ServicesCommercial Services Provides business advocacy and consulting services | Commercial Services |
Evolution Capital Management Partners LLC
 Evolution Capital Management Partners LLC Investment ManagersFinance Evolution Capital Partners invests in small companies located in the United States and Canada with an EBITDA of USD 1 million. The firm targets companies operating across a broad range of sectors and industries. It provides financing for late stage and Buyouts transactions with an investment size of USD 3-10 million. | Finance |
Provident Bank (Washington, DC) | |
Webster Bank, NA
Webster Bank, NA Major BanksFinance Provides banking services | Finance |
Amerant Bank NA
Amerant Bank NA Major BanksFinance Operates as a national chartered commercial bank | Finance |
Children's Museum of Manhattan, Inc.
Children's Museum of Manhattan, Inc. Other Consumer ServicesConsumer Services Children's Museum of Manhattan, Inc. engages children in arts, science, health, and civic themes through hands-on exhibits that incorporate artist residencies and multimedia elements. The private company is based in New York, NY. The organization extends its impact citywide with outreach initiatives such as the shelter partnerships program for children in temporary housing, the family connections program supporting bonds between incarcerated parents and their children, and accessibility programs for children of all abilities. The museum offers early childhood classes, public workshops, and digital resources for families and educators. It partners with agencies, schools, and community organizations to reach underserved populations, providing free or reduced admissions and adaptive resources. | Consumer Services |
Summer Search
Summer Search Miscellaneous Commercial ServicesCommercial Services Operates as a national youth development organization | Commercial Services |
Amerant Bancorp, Inc.
 Amerant Bancorp, Inc. Major BanksFinance Operates as bank holding company whose subsidiary provides national banking services | Finance |
Sterling Bancorp (Montebello, New York)
 Sterling Bancorp (Montebello, New York) Regional BanksFinance Provides banking and related financial services and products | Finance |
Stonier School of Banking
 Stonier School of Banking Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
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