My Story and Services

Brittany is originally from York County, Pennsylvania and graduated from Northeastern High School before attending Kutztown University. She was a student athlete and a member of the Honors Program, graduating with degrees in Finance and Marketing, and a minor in Social Media Theory.

After graduating in 2022, Brittany joined Morgan Stanley, where she continued to learn and grow within the firm. She is passionate about helping individuals and families feel more confident about their finances through personalized, long-term planning. Brittany believes strong relationships and financial education are key to helping empower clients to make informed decisions that support their goals over time.

Outside of the office, Brittany enjoys traveling, staying active - including playing golf - and exploring Lancaster since moving across the river in early 2025.
Services Include
Securities Agent: FL, MI, SD, OK, DE, VA, ME, IN, GA, KY, IL, VT, OH, NC, LA, KS, AL, AK, TX, PA, NV, MS, DC, CA, WI, WA, NJ, NE, MA, AZ, TN, NY, MD, UT, SC, WV, NM, NH, CT, CO, OR; General Securities Representative; Investment Advisor Representative
NMLS#: 2769666
Check the background of Our Firm and Investment Professionals on FINRA's BrokerCheck.*

The Planning Process

Our approach to planning focuses on understanding the full scope of your financial life and creating a strategy that reflects your unique goals. Through a personalized and collaborative process, we help your family build, preserve, and transtition wealth with intention and clarity.

By leveraging comprehensive resources and a relationship-driven approcah, we provide guidance designed to help empower confident decision-making- today and for generations to come.

    1- Discovery

    Our discovery process is centered on learning what's most important to you and the goals you want your finances to support.

    2- Building Your Strategy

    Using what we learned, we create a personalized plan designed to support your long-term goals and determine necessary actions steps.

    3- Plan Execution

    We implement your strategy in a thoughtful and coordinate way.

    4- Reviewing and Evolving

    We regularly revisit your plan to ensure it continues to align with your goals and life circumstances.

Digital Resources & Tools

Morgan Stanley's digitial resources are designed to help you better understand and manage your financial life. Explore a range of modern tools that support organization, planning, and confident decision-making.

    Morgan Stanley Online

Client Service Team

    Carousel Associate Image
    Jacob Arcilesi - Registered Client Service Associate
    Phone:
    (717) 519-4963(717) 519-4963
    Email:jacob.arcilesi@morganstanley.com
    Jake graduated from McDaniel College in 2025, where he earned a degree in Business Administration with a focus in Finance. Originally from Bel Air, Maryland, Jake is a proud fan of the Baltimore Ravens and Orioles. While at McDaniel, he played collegiate lacrosse, gaining valuable experience in teamwork, discipline, and leadership. He also spent two summers as a Customer Service Representative, building strong communication and client support skills that he brings to his professional career.

Location

300 Granite Run Dr
Ste 300
Lancaster, PA 17601
US
Direct:
(717) 519-3231(717) 519-3231
Wealth Management
Global Investment Office

Portfolio Insights

Retirement

Working with you to understand your life goals and develop a personalized wealth strategy. Today and for the years to come.
  • 401(k) Rollovers
  • IRA Plans
  • Retirement income strategies
  • Retirement plan participants
  • Annuities
A Simple Six-Step Retirement Checkup
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A Simple Six-Step Retirement Checkup

Checking in on your retirement plan may make a lot of sense, especially when market volatility arises.

Investing

Working closely with you to guide your wealth and investments through the most challenging market cycles.
  • Asset Management
  • Wealth Planning
  • Traditional Investments
  • Alternative Investments
  • Impact Investing
Rational Investing in an Age of Uncertainty
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Rational Investing in an Age of Uncertainty

When it comes to investing, even the most savvy of us fall prey to bias and emotional trades. So what triggers should you watch for?

Family

Creating customized financial strategies for the challenges that today’s families face.
  • Estate Planning Strategies
  • 529 Plans / Education Savings Planning
  • Long Term Care Insurance
  • Special Needs Planning
  • Trust Services
529 Plans: A Powerful Tool to Save for Education
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529 Plans: A Powerful Tool to Save for Education

Though education costs continue to climb, starting to save and invest early can make a difference.

Business Planning

Helping you on key aspects of your business such as ownership, liquidity and developing opportunities.
  • Succession Planning
  • Business Planning
  • Qualified Retirement Plans
Financial Planning for Life After Selling a Business
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Financial Planning for Life After Selling a Business

Selling your business can mean big changes for your life, both personally and financially. Know how to make the most of your windfall.

Philanthropy

Making sure your philanthropic dollars are managed with the same high quality service as the rest of your wealth.
  • Endowments
  • Foundations
  • Donor Advised Funds
  • Impact Investing
Donor Advised Funds: A Smart Way to Manage Your Giving
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Donor Advised Funds: A Smart Way to Manage Your Giving

There's more to charitable giving than you may realize. Here's one method that may be a tax-efficient way to give and can help maximize your impact.
Ready to start a conversation? Contact Brittany Arentz today.
1Morgan Stanley offers a wide array of brokerage and advisory services to its clients, each of which may create a different type of relationship with different obligations to you. Please consult with your Financial Advisor to understand these differences or review our Understanding Your Brokerage and Investment Advisory Relationships brochure available at www.morganstanley.com/wealth-relationshipwithms/pdfs/understandingyourrelationship.pdf.
Morgan Stanley Smith Barney LLC (“Morgan Stanley”), its affiliates and Morgan Stanley Financial Advisors and Private Wealth Advisors do not provide tax or legal advice. Clients should consult their tax advisor for matters involving taxation and tax planning and their attorney for matters involving trust and estate planning, charitable giving, philanthropic planning and other legal matters.

For more information, please see the Morgan Stanley Smith Barney LLC Client Relationship Summary.

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2When Morgan Stanley Smith Barney LLC, its affiliates and Morgan Stanley Financial Advisors and Private Wealth Advisors (collectively, “Morgan Stanley”) provide “investment advice” regarding a retirement or welfare benefit plan account, an individual retirement account or a Coverdell education savings account (“Retirement Account”), Morgan Stanley is a “fiduciary” as those terms are defined under the Employee Retirement Income Security Act of 1974, as amended (“ERISA”), and/or the Internal Revenue Code of 1986 (the “Code”), as applicable. When Morgan Stanley provides investment education, takes orders on an unsolicited basis or otherwise does not provide “investment advice”, Morgan Stanley will not be considered a “fiduciary” under ERISA and/or the Code. For more information regarding Morgan Stanley’s role with respect to a Retirement Account, please visit www.morganstanley.com/disclosures/dol. Tax laws are complex and subject to change. Morgan Stanley does not provide tax or legal advice. Individuals are encouraged to consult their tax and legal advisors (a) before establishing a Retirement Account, and (b) regarding any potential tax, ERISA and related consequences of any investments or other transactions made with respect to a Retirement Account. Individuals should consult their tax advisor for matters involving taxation and tax planning and their attorney for matters involving trust and estate planning, charitable giving, philanthropic planning and other legal matters.

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3Morgan Stanley Smith Barney LLC (“Morgan Stanley”), its affiliates and Morgan Stanley Financial Advisors and Private Wealth Advisors do not provide tax or legal advice. Clients should consult their tax advisor for matters involving taxation and tax planning and their attorney for matters involving trust and estate planning and other legal matters.

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4Insurance products are offered in conjunction with Morgan Stanley Smith Barney LLC’s licensed insurance agency affiliates.

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5Alternative Investments are speculative and include a high degree of risk. An investor could lose all or a substantial amount of his/her investment. Alternative investments are appropriate only for qualified, long-term investors who are willing to forgo liquidity and put capital at risk for an indefinite period of time.

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6Morgan Stanley Smith Barney LLC (“Morgan Stanley”), its affiliates and Morgan Stanley Financial Advisors and Private Wealth Advisors do not provide tax or legal advice. Clients should consult their tax advisor for matters involving taxation and tax planning and their attorney for matters involving trust and estate planning and other legal matters.

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7When Morgan Stanley Smith Barney LLC, its affiliates and Morgan Stanley Financial Advisors and Private Wealth Advisors (collectively, “Morgan Stanley”) provide “investment advice” regarding a retirement or welfare benefit plan account, an individual retirement account or a Coverdell education savings account (“Retirement Account”), Morgan Stanley is a “fiduciary” as those terms are defined under the Employee Retirement Income Security Act of 1974, as amended (“ERISA”), and/or the Internal Revenue Code of 1986 (the “Code”), as applicable. When Morgan Stanley provides investment education, takes orders on an unsolicited basis or otherwise does not provide “investment advice”, Morgan Stanley will not be considered a “fiduciary” under ERISA and/or the Code. For more information regarding Morgan Stanley’s role with respect to a Retirement Account, please visit www.morganstanley.com/disclosures/dol. Tax laws are complex and subject to change. Morgan Stanley does not provide tax or legal advice. Individuals are encouraged to consult their tax and legal advisors (a) before establishing a Retirement Account, and (b) regarding any potential tax, ERISA and related consequences of any investments or other transactions made with respect to a Retirement Account. Individuals should always check with their tax or legal advisor before engaging in any transaction involving 529 Plans, Education Savings Accounts and other tax-advantaged investments.

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8When Morgan Stanley Smith Barney LLC, its affiliates and Morgan Stanley Financial Advisors and Private Wealth Advisors (collectively, “Morgan Stanley”) provide “investment advice” regarding a retirement or welfare benefit plan account, an individual retirement account or a Coverdell education savings account (“Retirement Account”), Morgan Stanley is a “fiduciary” as those terms are defined under the Employee Retirement Income Security Act of 1974, as amended (“ERISA”), and/or the Internal Revenue Code of 1986 (the “Code”), as applicable. When Morgan Stanley provides investment education, takes orders on an unsolicited basis or otherwise does not provide “investment advice”, Morgan Stanley will not be considered a “fiduciary” under ERISA and/or the Code. For more information regarding Morgan Stanley’s role with respect to a Retirement Account, please visit www.morganstanley.com/disclosures/dol. Tax laws are complex and subject to change. Morgan Stanley does not provide tax or legal advice. Individuals are encouraged to consult their tax and legal advisors (a) before establishing a Retirement Account, and (b) regarding any potential tax, ERISA and related consequences of any investments or other transactions made with respect to a Retirement Account. Individuals should consult their tax advisor for matters involving taxation and tax planning and their attorney for matters involving trust and estate planning, charitable giving, philanthropic planning and other legal matters.

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9Insurance products are offered in conjunction with Morgan Stanley Smith Barney LLC’s licensed insurance agency affiliates.

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10Morgan Stanley Smith Barney LLC is a registered Broker/Dealer, Member SIPC, and not a bank. Where appropriate, Morgan Stanley Smith Barney LLC has entered into arrangements with banks and other third parties to assist in offering certain banking related products and services.

Investment, insurance and annuity products offered through Morgan Stanley Smith Barney LLC are: NOT FDIC INSURED | MAY LOSE VALUE | NOT BANK GUARANTEED | NOT A BANK DEPOSIT | NOT INSURED BY ANY FEDERAL GOVERNMENT AGENCY

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Check the background of our Firm and Investment Professionals on FINRA's BrokerCheck*.

The information, products and services described here are intended only for individuals residing in states where this Financial Advisor is properly registered as described in this site.

Morgan Stanley reserves the right, to the extent permitted under applicable law, to retain and monitor all electronic communications. Morgan Stanley will not accept purchase or sale orders via any Internet site, social media site and/or its messaging systems. Morgan Stanley does not endorse and is not responsible and assumes no liability for content, products or services posted by third-parties on any Internet site, social media site and/or its messaging systems. All electronic communications are subject to terms available at the following link:
https://www.morganstanley.com/disclaimers/mswm-email.html. Any profiles and associated content are for U.S. residents only.

The securities/instruments, services, investments and investment strategies discussed in this material may not be appropriate for all investors. The appropriateness of a particular investment, investment strategy or service will depend on an investor's individual circumstances and objectives. Morgan Stanley Smith Barney LLC recommends that investors independently evaluate particular investments, strategies and services, and encourages investors to seek the advice of a Financial Advisor or Private Wealth Advisor. This material does not provide individually tailored investment advice. It has been prepared without regard to the individual financial circumstances and objectives of persons who receive it.

Morgan Stanley Smith Barney LLC (“Morgan Stanley”), its affiliates and Morgan Stanley Financial Advisors or Private Wealth Advisors do not provide tax or legal advice. Individuals should consult their tax advisor for matters involving taxation and tax planning and their attorney for legal matters.

Morgan Stanley Smith Barney LLC (“Morgan Stanley”) is not implying an affiliation, sponsorship, endorsement with/of the third party or that any monitoring is being done by Morgan Stanley of any information contained within the website. Morgan Stanley is not responsible for the information contained on the third-party website or the use of or inability to use such site. Nor do we guarantee their accuracy or completeness.

The views, opinions or advice contained within third party websites or materials are solely those of the author, who is not a Morgan Stanley employee, and do not necessarily reflect those of Morgan Stanley Smith Barney LLC, or its affiliates. The strategies and/or investments referenced may not be appropriate for all investors as the appropriateness of a particular investment or strategy will depend on an investor's individual circumstances and objectives.

*References to length of service at Morgan Stanley include years at Morgan Stanley and predecessor firms.

Certified Financial Planner Board of Standards Center for Financial Planning, Inc. owns and licenses the certification marks CFP®, CERTIFIED FINANCIAL PLANNER®, and CFP® (with plaque design) in the United States to Certified Financial Planner Board of Standards, Inc., which authorizes individuals who successfully complete the organization's initial and ongoing certification requirements to use the certification marks.

The use of the CDFA designation does not permit the rendering of legal advice by Morgan Stanley or its Financial Advisors which may only be done by a licensed attorney. The CDFA designation is not intended to imply that either Morgan Stanley or its Financial Advisors are acting as experts in this field.

Awards Disclosures | Morgan Stanley
CRC 4665150 (8/2025)