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MJ

Michael James O'Brien

Investment Adviser Representative at Berkshire Money Management, Inc.

Dalton, MACRD #8040016Investment Adviser Representative
No disclosures on record
Sourced from SEC IAPD & FINRA BrokerCheck
Years of Experience
1 yrs
Exams Passed
1

Professional summary

Compiled by AdvisorFinder from public regulatory records. This advisor has not provided a personal biography.

Michael James O'Brien is an investment adviser representative with Berkshire Money Management, Inc. in Dalton, MA, where they have been registered since 2025, the year they entered the securities industry. They have passed the Series 65 (investment adviser) exam. They are registered to provide investment advice in Massachusetts.

Office

161 Main Street
Dalton, MA 01226

Advisors at this office: 9

Branch office as filed with FINRA, counting current advisors in the directory who work there.

Registrations & licenses

Registration type
Investment Adviser Representative
As of August 17, 2026, from the advisor's current registrations on SEC IAPD
State registrations
Investment adviser:
Massachusetts

Registration requirements vary by state and service. Contact the advisor's firm to confirm whether they can serve you.

Examinations passed
Series 65
Uniform Investment Adviser Law Examination
Passed 2/1/2025

Financial-firm registration history

Registration history as reported to FINRA, most recent first.

Berkshire Money Management, Inc.Current
2/14/2025 – Dalton, MA

Reported employment history

Employment the advisor reported on their SEC/FINRA filings, as of October 8, 2026. It may not be a complete history.

  1. Berkshire Money Management, Inc.
    Oct 2024 – no end date reportedDalton, MA
  2. Berkshire Fairfield Insurance Agency, LLC
    Aug 2022 – Oct 2024Pittsfield, MA
  3. The Country Club of Pittsfield
    May 2019 – Aug 2022Pittsfield, MA
  4. Staples
    Dec 2017 – May 2019Pittsfield, MA
  5. Massachusetts College of Liberal Arts
    Sep 2019 – May 2022North Adams, MA
  6. Westfield State University
    Sep 2018 – May 2019Westfield, MA
  7. Taconic High School
    Sep 2014 – Jun 2018Pittsfield, MA

Official records & sources

Data as of August 10, 2026 · Source: SEC IAPD & FINRA BrokerCheck

About Berkshire Money Management, Inc.

These details describe the firm overall. Individual advisors' services, clients, and fees may differ.

Fee arrangements the firm reports

  • Percentage of assets under management
  • Hourly
  • Fixed fee
Firm account minimum
$250,000 (waivable)

Arrangements the firm reports on its Form ADV; this advisor may not charge every fee listed. Estimated from the firm's Form ADV — individual terms may differ. Not a quote.

Services the firm offers

Financial PlanningPortfolio Management for Individuals and Small BusinessesPortfolio Management for Businesses and Institutions

Client types the firm serves

IndividualsHigh Net WorthPension/Profit SharingCharitable OrganizationsCorporations

Firm assets under management

$1B–$5B

Firm disclosures (Form ADV)
No disciplinary history reportedVerify on SEC IAPD
Advisors listed on AdvisorFinder:
10
Offices listed on AdvisorFinder:
2
Main office:
Dalton, MA
SEC file number:
801-61763

Counts reflect AdvisorFinder directory coverage, not necessarily the firm's complete network.

Form ADV data as of September 30, 2026

View full firm profile

Other advisors at Berkshire Money Management, Inc.

9 other advisors in the directory

View Berkshire Money Management, Inc. firm profile

Similar advisors in Dalton, MA

Other advisors whose filed branch office is in the same city.

About this profile

This profile was compiled and published by AdvisorFinder as editorial content using publicly available information from the SEC's IAPD database and FINRA BrokerCheck. Michael James O'Brien has not reviewed, approved, or endorsed this profile and is not responsible for its accuracy. Regulatory records change over time — always verify the current record directly on BrokerCheck or SEC.gov before making any decision. AdvisorFinder may be compensated for referrals generated through this page.

BrokerCheck data is used subject to the FINRA BrokerCheck Terms of Use. Found something inaccurate? Report inaccurate data and we will correct any error we introduced. Errors in the underlying BrokerCheck record itself are referred to FINRA, which maintains that record.

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