![Michael Sullivan](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 Sullivan
Director/Board Member at
EASTERN BANKSHARES, INC.
Net worth: 3 M $ as of 2026-06-29
Profile
Michael J.
Sullivan is currently Director at Old Colony YMCA since 2009, Director at Signature Healthcare PLLC since 2009, Director at Eastern Bank (Boston, Massachusetts) starting 2025, Independent Director at Eastern Bankshares, Inc. starting 2025, and Partner at The Ashcroft Law Firm LLC since 2009.
Former positions include Chairman at HarborOne Bank, Chairman at HarborOne Bancorp, Inc. from 2015 to 2025, Director at Old Colony YMCA from 1995 to 2001, Director at New Heights Charter School from 2015 to 2024, Director at Consumer Credit Counseling Services from 1986 to 1989, Director at Bureau of Alcohol, Tobacco, Firearms & Explosives from 2006 to 2009, Independent Director at HarborOne Bancorp, Inc. from 2015 to 2018, and Director at Continuing Education Institute from 1989 to 1994.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-05-17 | 133,624 ( 0.06% ) | 3 M $ | 2026-06-29 |
Michael Sullivan active positions
| Companies | Position | Start |
|---|---|---|
| EASTERN BANKSHARES, INC. | Director/Board Member | 2025-10-31 |
The Ashcroft Law Firm LLC | Corporate Officer/Principal | 2008-12-31 |
Signature Healthcare PLLC
 Signature Healthcare PLLC Medical/Nursing ServicesHealth Services Provides physician services | Director/Board Member | 2009-04-30 |
Old Colony YMCA
 Old Colony YMCA Services to the Health IndustryHealth Services Operates as a non-profit organization for health, youth development and social responsibility | Director/Board Member | 2008-12-31 |
Eastern Bank (Boston, Massachusetts)
 Eastern Bank (Boston, Massachusetts) Regional BanksFinance Operates as a state chartered bank | Director/Board Member | 2025-10-31 |
Former positions of Michael Sullivan
| Companies | Position | End |
|---|---|---|
| HARBORONE BANCORP, INC. | Chairman | 2025-10-31 |
HarborOne Bank
 HarborOne Bank Regional BanksFinance Operates as a state chartered bank | Chairman | 2025-10-31 |
New Heights Charter School
 New Heights Charter School Other Consumer ServicesConsumer Services The private company is based in Brockton. The school offers a comprehensive, research-based curriculum emphasizing balanced English language arts, common core-aligned mathematics, interactive science, and active social studies, with a focus on social-emotional development using responsive classroom and developmental design approaches. It provides expanded learning opportunities such as free before- and after-school programs, academic support, arts enrichment, summer school, and intersession programs. The school also offers a robust athletic program and supports students with special and exceptional needs through individualized education plans, inclusion practices, and collaboration with families. Transparency and engagement are maintained through detailed online resources and active communication channels. New Heights Charter School, founded in 2006, serves approximately 405 students from transitional kindergarten through 8th grade across two campuses. | Director/Board Member | 2023-12-31 |
Bureau of Alcohol, Tobacco, Firearms & Explosives
 Bureau of Alcohol, Tobacco, Firearms & Explosives General GovernmentGovernment Engages in public safety | Director/Board Member | 2008-12-31 |
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Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
7
1st degree connections
12
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 12 |
|---|---|
Consumer Credit Counseling Services
 Consumer Credit Counseling Services Regional BanksFinance Provides credit counseling services | Finance |
Bureau of Alcohol, Tobacco, Firearms & Explosives
Bureau of Alcohol, Tobacco, Firearms & Explosives General GovernmentGovernment Engages in public safety | Government |
Signature Healthcare PLLC
Signature Healthcare PLLC Medical/Nursing ServicesHealth Services Provides physician services | Health Services |
Old Colony YMCA
Old Colony YMCA Services to the Health IndustryHealth Services Operates as a non-profit organization for health, youth development and social responsibility | Health Services |
HarborOne Bank
HarborOne Bank Regional BanksFinance Operates as a state chartered bank | Finance |
The Ashcroft Law Firm LLC | |
Eastern Bank (Boston, Massachusetts)
Eastern Bank (Boston, Massachusetts) Regional BanksFinance Operates as a state chartered bank | Finance |
HarborOne Bancorp, Inc. /Old/
 HarborOne Bancorp, Inc. /Old/ Regional BanksFinance Operates as a bank holding company | Finance |
Continuing Education Institute
 Continuing Education Institute Miscellaneous Commercial ServicesCommercial Services Operates professional education school | Commercial Services |
HarborOne Bancorp, Inc.
 HarborOne Bancorp, Inc. Regional BanksFinance Operates as bank holding company whose subsidiaries provides banking services | Finance |
New Heights Charter School
New Heights Charter School Other Consumer ServicesConsumer Services The private company is based in Brockton. The school offers a comprehensive, research-based curriculum emphasizing balanced English language arts, common core-aligned mathematics, interactive science, and active social studies, with a focus on social-emotional development using responsive classroom and developmental design approaches. It provides expanded learning opportunities such as free before- and after-school programs, academic support, arts enrichment, summer school, and intersession programs. The school also offers a robust athletic program and supports students with special and exceptional needs through individualized education plans, inclusion practices, and collaboration with families. Transparency and engagement are maintained through detailed online resources and active communication channels. New Heights Charter School, founded in 2006, serves approximately 405 students from transitional kindergarten through 8th grade across two campuses. | Consumer Services |
Eastern Bankshares, Inc.
 Eastern Bankshares, Inc. Regional BanksFinance Operates as a banking holding company whose subsidiaries provide banking services | Finance |
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