Family. Wealth. For Generations.

Team Picture

Who We Are

The Arguello Investment Group is an integrated wealth management team serving high-net-worth families, entrepreneurs and family offices across the United States and Latin America. We provide comprehensive advice across investment management, wealth planning, liquidity, lending, alternatives, estate and legacy planning, and business succession.

Our clients often have complex financial lives spanning generations and borders. We take the time to understand what matters most to each family and bring together the resources, expertise and perspective needed to help them make informed decisions and navigate change.

Through UBS, we combine the personal attention of a dedicated team with the global resources, investment capabilities and specialized expertise of a leading wealth management firm.

Our role extends beyond managing assets. We strive to be a trusted partner to our clients and their families—helping them preserve what they have built, pursue what matters to them and create a lasting foundation for future generations.

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.

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    Carlos Arguello

    Senior Vice President–Wealth Management

    Financial Advisor

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    • FL
    • SD
    • TX

    Carlos joined UBS in 2015 following a 20-year career in corporate and institutional banking, where he specialized in credit and structured finance. He brings extensive experience in complex financing strategies and a deep understanding of the financial needs of high-net-worth families and business owners.                                                                                                                                                                                                                 
    As an International Private Wealth Advisor, Carlos works closely with clients to develop tailored wealth management strategies and help them navigate complex financial decisions. He is a member of the UBS President’s Council.                                                                                                                                                 
    Carlos earned a B.S. in Business Administration from American University in Washington, D.C., and an M.B.A. with a concentration in Finance from Vanderbilt University’s Owen Graduate School of Management.

          4225 Ponce De Leon
          Coral Gables, FL 33146
          carlos.arguello@ubs.com,c.arguello@ubs.com
          Carlos Arguello
          4225 Ponce De Leon,Coral Gables,FL,33146
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          Emilio Arguello

          Senior Vice President–Wealth Management

          Financial Advisor

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          • FL
          • SD
          • TX

          Emilio Arguello brings more than 40 years of experience in international private banking and investment management, with a deep understanding of global markets and the needs of high-net-worth families. He founded The Arguello Investment Group at UBS in 2015 after a distinguished career serving clients across the United States and Latin America.

          Emilio takes a long-term, relationship-driven approach to wealth management, working closely with clients and their families to navigate complex financial decisions and pursue their goals. He is a member of the UBS President’s Council.

          Emilio earned a B.A. in Economics from The Catholic University of America and an M.B.A. in Finance from American University in Washington, D.C.

                4225 Ponce De Leon
                Coral Gables, FL 33146
                emilio.arguello@ubs.com
                Emilio Arguello
                4225 Ponce De Leon,Coral Gables,FL,33146
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                Mari Zayas-Bazan

                Authorized Officer

                Senior Wealth Strategy Associate

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                • FL
                • SD
                • TX

                Mari has been an integral member of The Arguello Investment Group since its founding in 2015. She works closely with clients and senior partners on investment analysis, portfolio construction and the management of the team’s investment operations. Mari is dedicated to providing personalized service and helping clients pursue their investment objectives through thoughtful execution and attention to detail.                                                                                                                                                                                    
                Mari earned a B.A. from Florida International University and holds Series 7, 9, 10 and 66 securities licenses.

                      4225 Ponce De Leon
                      Coral Gables, FL 33146
                      mari.zayas-bazan@ubs.com
                      Mari Zayas-Bazan
                      4225 Ponce De Leon,Coral Gables,FL,33146
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                      Milton Jimenez

                      Authorized Officer

                      Senior Wealth Strategy Associate

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                      • FL
                      • SD
                      • TX

                      Milton oversees the day-to-day operations of The Arguello Investment Group, helping ensure clients receive responsive and seamless service. He manages account administration, coordinates client requests and works closely with the team to facilitate solutions tailored to each client’s needs.                                                                                                                                                                  
                      Known for his attention to detail and responsiveness, Milton plays an important role in maintaining the high level of service and personal attention that defines the team’s approach to client relationships.                                                                                                                                                                                           
                      Milton earned a B.A. from Florida International University and an M.B.A. from the H. Wayne Huizenga School of Business at Nova Southeastern University. He holds Series 7 and 65 securities licenses, as well as a Florida Life, Health and Variable Annuity insurance license.

                            4225 Ponce De Leon
                            Coral Gables, FL 33146
                            milton.jimenez@ubs.com
                            Milton Jimenez
                            4225 Ponce De Leon,Coral Gables,FL,33146
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                            Carlos Arguello III

                            Wealth Strategy Associate

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                            • FL
                            • TX

                            Carlos joined UBS in 2022 after earning a degree in Economics from Wake Forest University. As a member of The Arguello Investment Group, he works closely with high-net-worth families and individuals, supporting the team in developing and implementing tailored wealth management strategies.

                            Carlos takes a client-focused approach to helping families navigate their financial goals and build long-term wealth. He holds Series 7 and 66 securities licenses. 

                                  4225 Ponce De Leon
                                  Coral Gables, FL 33146
                                  c.arguello@ubs.com
                                  Carlos Arguello III
                                  4225 Ponce De Leon,Coral Gables,FL,33146

                                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

                                More than 160 years

                                offering financial advice

                                #1

                                for High Net-Worth clients

                                Euromoney Private Banking and Wealth Management Survey (peer review), 2015-2022

                                Three generations in apple orchard

                                Turn possibilities into a plan

                                House View Monthly

                                Mountain climbers on peak at sunrise

                                A leading global wealth manager

                                Two brothers. One inheritance.

                                How will their story unfold?

                                Inheritance is about more than money. It’s about navigating family, history and your future. See how two brothers decide what to hold onto, what to let go and how to move forward. 

                                If you’re going through a wealth transfer event like an inheritance, death or divorce, our experienced guidance can help give you more confidence.

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