Let's move forward. Together.

Where are you today and where do you want to be tomorrow? We recognize that a lasting relationship starts by listening and understanding your priorities and concerns. We'll work together to look at the big picture, discuss your vision for the future and help you confidently pursue your life goals.

Pursuing your goals together

Our mission is to provide quality strategies customized to your needs. Our goal is to be your primary source of financial advice. To this end, we concentrate our efforts on developing long-term relationships through a commitment to quality client service.

  • Brian Mariash Headshot

    Brian Mariash, CIMA, AAMS

    Managing Director–Wealth Management

    Financial Advisor

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    • AL
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    Brian left a career in education to join the securities industry in 2001 and started the Mariash Lowther Wealth Management team in 2008. His personal mission to Educate, Connect, and Contribute has become the mission of the team. Brian holds the Certified Investment Management Analyst® designation (CIMA®), administered by the Investments & Wealth InstituteTM (The Institute) and taught in conjunction with The Wharton School of Business. Brian also has his Accredited Asset Management SpecialistTM, AAMS® designation from The College for Financial Planning Institutes Corp.

    Brian is active in many local community efforts including having served on the boards of the Child Protection Center of Sarasota and the Jewish Family and Children Services. He is the proud father of three children (Anthony, Zachary, and Alexis), grandfather to Everly, and resides in Sarasota with his wife, Dara, and their two Dachshunds, Gio and Barney.

     

    • Forbes Best-in-State Wealth Advisors, 2025, 2026The Forbes rating is compiled by Shook Research and awarded annually in April based on information from a 12 month period ending June of the prior year.
    • Forbes Best-in-State Wealth Management Teams, 2025, 2026The Forbes rating is compiled by Shook Research and awarded annually in January, based on information from a 12 month period ending March of the prior year.

    Eligibility is based on quantitative factors and is not necessarily related to the quality of the investment advice. For more information on third party rating methodologies, please visit ubs.com/us/en/designation-disclosures

        1819 Main St.
        Suite 900
        Sarasota, FL 34236
        brian.mariash@ubs.com,shannon.m.murphy@ubs.com,bart.lowther@ubs.com
        Brian Mariash, CIMA, AAMS
        1819 Main St.,Sarasota,FL,34236
      • Shannon Murphy headshot

        Shannon Murphy

        Client Associate

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          Shannon Murphy has enjoyed a dynamic career in the financial services industry since 2010, serving in a variety of client focused and supervisory roles at competitor firms in both retail branches and Private Wealth Management.  After relocating from Pittsburgh to Florida in 2020, she joined Mariash Lowther Wealth Management, where she supports the team’s marketing initiatives, manages events, and partners closely with Brian to help drive the team’s business development process. Shannon also oversees the team’s daily operational and client support services. 

          Shannon graduated from Duquesne University with a Bachelor of Science in Marketing and enjoyed coordinating programs for the University’s American Marketing Association. 

          Shannon lives in West Bradenton with her husband, Dan, and their son, Liam. As a family, they enjoy spending time on the water, making sushi and wood fired pizzas, and volunteering at the local animal shelter. Shannon also serves the community as a Den Leader for Cub Scouts Pack 22, a role that aligns with her passion for connection, service, and developing meaningful experiences for young families.

            Eligibility is based on quantitative factors and is not necessarily related to the quality of the investment advice. For more information on third party rating methodologies, please visit ubs.com/us/en/designation-disclosures

            • Duquesne University, Bachelor's in Marketing: 2006 - 2009
              1819 Main Street
              Suite 900
              Sarasota, FL 34236
              shannon.m.murphy@ubs.com
              Shannon Murphy
              1819 Main Street,Sarasota,FL,34236
            • James Headshot

              J. Barton Lowther, CFP, CRPC

              Senior Vice President–Wealth Management

              Financial Advisor

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              • AL
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              • GA
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              • IL
              • IN
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              • MA
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              • MD
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              • ME
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              James Barton Lowther began his financial services career in 2010 after graduating from Tulane University. As a Financial Advisor, Bart has assisted clients by managing their individual wealth through multiple and complex market cycles in accordance with their individual needs. Bart is a frequent speaker on investment planning for retirement which has been a primary business focus for Bart and his team. Bart focuses on delivering a comprehensive approach to managing wealth that begins with listening to a client’s needs and helps to ensure every strategy is grounded in understanding what each client wants to achieve.

              Bart is a CERTIFIED FINANCIAL PLANNER™ professional and also holds the Chartered Retirement Planning CounselorSM designation, issued by the College for Financial Planning.  As a CFP® and CRPC®, Bart works with clients to develop financial plans and plan for retirement income to best achieve their financial goals.

              Bart and his fiancé, Dana, live in Sarasota with their two dogs, Beaux and Layla. Outside of work, Bart enjoys playing guitar, going to the beach, cooking, and attempting to play golf.

              • Forbes Best-in-State Wealth Management Teams, 2025, 2026The Forbes rating is compiled by Shook Research and awarded annually in January, based on information from a 12 month period ending March of the prior year.
              • Forbes Top Next-Gen (Generation) Wealth Advisors Best-in-State, 2026The Forbes rating is compiled by Shook Research and awarded annually in August based on information from a 12 month period ending in March of the award year.

              Eligibility is based on quantitative factors and is not necessarily related to the quality of the investment advice. For more information on third party rating methodologies, please visit ubs.com/us/en/designation-disclosures

              • Tulane University , Bachelor's in Finance
              • CERTIFIED FINANCIAL PLANNER
              • Chartered Retirement Planning Counselor
              1819 Main Street
              Suite 900
              Sarasota, FL 34236
              bart.lowther@ubs.com
              J. Barton Lowther, CFP, CRPC
              1819 Main Street,Sarasota,FL,34236
            • Sovanna Sok headshot

              Sovanna Sok

              Client Associate

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                Sovanna Sok began his career in financial services in February 2007 as a Service Operations Associate at Merrill Lynch. In this early role, he developed a strong foundation in operational excellence and high-touch client service—principles that continue to guide his work today. In November 2022, Sovanna joined the Mariash Lowther Wealth Management team, where he enjoys being part of a collaborative team focused on helping clients achieve their goals. He values building meaningful relationships and takes pride in getting to know clients and supporting them with care and attention.

                Sovanna earned his Bachelor’s degree in Finance from the University of South Florida in December 2016.

                Outside of the office, Sovanna is passionate about cooking, with a special focus on Cambodian and Thai cuisine. His love of food inspires his enjoyment of traveling and hosting lively dinner parties for family and friends.

                  Eligibility is based on quantitative factors and is not necessarily related to the quality of the investment advice. For more information on third party rating methodologies, please visit ubs.com/us/en/designation-disclosures

                  • University of South Florida, Bachelor's in Finance: 2016
                    1819 Main Street
                    Suite 900
                    Sarasota, FL 34236
                    sovanna.sok@ubs.com
                    Sovanna Sok
                    1819 Main Street,Sarasota,FL,34236
                  • Theo Rainey

                    Theo Rainey

                    Registered Client Associate

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                    • AL
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                    • DE
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                    • GA
                    • IL
                    • LA
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                    • MO
                    • NC
                    • NH
                    • NJ
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                    • NY
                    • OH
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                    • VA

                    Theo Rainey recently joined the team after relocating to Florida from Portland, Maine in the fall of 2025. He graduated from the University of Vermont in Spring 2025 with a degree in Economics. Born in Québec, Canada, Theo holds dual U.S. and Canadian citizenship and is fluent in French. His international background has shaped a global perspective that he brings to both his professional and personal life.

                     In his role as a Client Associate, Theo draws on his academic foundation in economics, his strong organizational skills, and his relationship focused mindset to support clients and the broader team with care and precision. His experience working across cultures and managing complex interactions has prepared him to anticipate client needs, communicate clearly, and contribute to a high standard of service. With a large multinational network of family and friends, Theo has developed a passion for travel and building meaningful relationships across cultures—an approach he brings to every client interaction, striving to provide thoughtful support, responsiveness, and attention to detail.

                    When not in the office, Theo can usually be found playing guitar, staying active through running, swimming, and weightlifting, or grabbing the mic for karaoke on the weekends.

                      Eligibility is based on quantitative factors and is not necessarily related to the quality of the investment advice. For more information on third party rating methodologies, please visit ubs.com/us/en/designation-disclosures

                      • University of Vermont, Economics: 2025
                        1819 Main Street
                        Suite 900
                        Sarasota, FL 34236
                        theo.rainey@ubs.com
                        Theo Rainey
                        1819 Main Street,Sarasota,FL,34236

                      Recognitions

                      Meet Brian Mariash

                      Mariash Lowther Wealth Management 

                      You. Connected.

                      As a UBS Private Wealth Management team, we connect you to firmwide experts, thought leaders and premier resources to address your most important goals.

                      You. Connected.

                      Simplify your financial lives

                      Sustainability

                      Simplify your financial lives

                      Family Advisory & Philanthropy Services

                      Family Advisory & Philanthropy Services

                      Advanced planning

                      Advanced planning

                      Advanced planning

                      Sustainability

                      a. Discovery–We take a different view when it comes to wealth management: your view. We’ll step into your shoes, listen to your goals and help you get control of your finances

                      b. Planning–Beginning with the end in mind, we will review and update your financial plan on an ongoing basis to ensure we meet your goals

                      c. Consolidation – We help make your life easier by consolidating accounts where appropriate and providing a view of your total financial picture in one place.

                      Advice and solutions to help families flourish for generations, including intentional communication and decision-making, intergenerational wealth transitions, family governance, philanthropic legacies and more. The independent UBS Optimus Foundation funds high-impact programs in health, education, child protection and the environment.

                      Learn more

                      Advanced planning

                      We understand that planning is an integral part of a well thought out financial roadmap. We can help guide you through the process, working with you to craft a plan that aligns with your priorities and challenges, while allowing to you to take advantage of unexpected opportunities and life changes.

                      As part of the planning process, we can also draw on network of professionals, as well as the highly specialized resources of UBS’s Advanced Planning Group.

                      Defining your priorities. Pursuing what matters.

                      Our experience and structured planning process drives a comprehensive financial plan and customized investment strategies. Depending on where you are in your life and the priorities that matter most, our planning conversations may focus on liquidity management, your cash flow needs, asset replacement solutions such as insurance, estate planning strategies, or tax and legal structures such as trusts and philanthropic vehicles.

                      House View Monthly

                      Nadia Lovell, Head of Global Equity Strategy and Management, Leslie Falconio, Head of Taxable Fixed Income Strategy CIO Americas, and Andrew Dubinsky, US Senior Economist CIO Americas, shared their perspectives on the current market outlook and discussed the key themes shaping today’s investment environment.

                      August 06, 2026

                      Business Owner in entryway

                      Advice for business owners & entrepreneurs

                      Woman with architectural plans

                      A plan to simplify your financial life

                      senior couple, home in background

                      Estate planning strategies

                      Multicultural

                      Invest to advance

                      Let’s build the future of multicultural wealth. Together.

                      Whether it’s for your family, your community or your cause—your money and investments today will shape tomorrow. Start crafting a plan that serves your purpose and the people who matter most. We know your legacy matters to you. It matters to us too.

                      A leader in wealth management

                      Backed by the strength of our parent company, UBS AG

                      $7 trn

                      UBS Group invested assets
                      As of 12/31/2025

                      51 countries

                      Our global footprint

                      Global leader

                      UBS is a leading and truly global wealth manager

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