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Headshot Siobhan Mcdermott

Siobhan McDermott

Financial Services Professional

Siobhan McDermott joined the Cornerstone team in 2025 as a Financial Services Professional.  Siobhan is a lifelong resident of Rhode Island who started her financial career as a customer relationship advocate, where she learned the value of smart planning and building strong client relationships.

At Cornerstone, Siobhan’s focus is on helping clients make confident decisions about their money. She’s passionate about simplifying finance and giving clients the clarity and guidance to reach their goals. 

Siobhan enjoys volunteering with Save the Bay and is a proud member of the South County Chamber of Commerce.  Siobhan can be reached at Siobhan@cstonefinancial.com.

Disclosure

Brendon Elliot is an agent licensed to sell insurance through New York Life Insurance Company and may be licensed with various other independent unaffiliated insurance companies in the states of CA (CA Insurance License #4089456), DE, FL, IA, IN, MA, MD, ME, NC, NH, NJ, NY, OR, PA, RI, SC, TN, TX, VA, and WA. No insurance business may be conducted outside the states referenced.

As a New York Life Agent, Brendon Elliot is licensed and authorized to offer insurance in California, but Cornerstone Financial Group, LLC may not be. For additional information on California licensure status, please click here.

Brendon Elliot is a Registered Representative of and offers securities products & services through NYLIFE Securities LLC, Member FINRA/SIPC, a licensed insurance agency, and a wholly-owned subsidiary of New York Life Insurance Company, 29 Samoset St, Plymouth, MA, 02360, 508-927-4536. In this regard, this communication is strictly intended for individuals residing in the states of CA, CO, DE, FL, GA, IA, IN, MA, ME, MN, NC, NH, NY, OR, RI, SC, TN, TX, VA, and WA. No offers may be made or accepted from any resident outside the specific states referenced.

The Million Dollar Round Table (MDRT), The Premier Association of Financial Professionals®, is recognized globally as the standard of excellence for life insurance sales performance in the insurance and financial services industry.

Leila Johnson is an agent licensed to sell insurance through New York Life Insurance Company and may be licensed with various other independent unaffiliated insurance companies in the states of FL, MA, and RI. No insurance business may be conducted outside the states referenced.

Leila Johnson is a Registered Representative of and offers securities products & services through NYLIFE Securities LLC, Member FINRA/SIPC, a licensed insurance agency, and a wholly-owned subsidiary of New York Life Insurance Company, 29 Samoset St, Plymouth, MA, 02360, 508-927-4536. In this regard, this communication is strictly intended for individuals residing in the state of Massachusetts. No offers may be made or accepted from any resident outside the specific state referenced.

Siobhan Mcdermott is an agent licensed to sell insurance through New York Life Insurance Company and may be licensed with various other independent unaffiliated insurance companies in the states of MA, and RI. No insurance business may be conducted outside the states referenced.

Siobhan Mcdermott is a Registered Representative of and offers securities products & services through NYLIFE Securities LLC, Member FINRA/SIPC, a licensed insurance agency, and a wholly-owned subsidiary of New York Life Insurance Company, 29 Samoset St, Plymouth, MA, 02360. In this regard, this communication is strictly intended for individuals residing in the states of MA, and RI. No offers may be made or accepted from any resident outside the specific states referenced.

Susan Mcivor Zuccaccia is an agent licensed to sell insurance through New York Life Insurance Company and may be licensed with various other independent unaffiliated insurance companies in the state of Massachusetts. No insurance business may be conducted outside the state referenced.

Cornerstone Financial Group, LLC is not owned or operated by NYLIFE Securities LLC or its affiliates.

Neither Cornerstone Financial Group, LLC nor its associates are in the business of offering tax, legal, or accounting advice. Please consult your own tax, legal, or accounting professional before making any decisions.

For more information about NYLIFE Securities LLC and its investment professionals.

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