Meaningful connections for your lifelong plan

Private Wealth Management

The Sullivan Martin Partners Difference

For more than four decades, Sullivan Martin Partners has worked to help preserve and grow wealth—helping clients stay the course toward their financial goals and well-being in every market environment.

As successful business owners, we appreciate many of the challenges our clients face in creating and sustaining lasting prosperity. This shared experience, along with putting your interests first at all times, are the hallmarks of our team. These pillars also serve as the basis for the trusted relationship we look to build with you and generations of your family for years to come. 

Sullivan Martin Partners

A focus on personalized access and service

Working with diverse clients with specific needs, our team sees it as our top responsibility to understand each aspect of your unique and often complicated financial life.

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Comprehensive planning for significant wealth

When you have created or inherited significant wealth, you have opportunities to pursue bold and meaningful undertakings. How do you make decisions that will guide you successfully forward, no matter what your goal? Your life and priorities are multidimensional. We understand how each can impact the others—not only today but for years and generations to come.

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Planning for a changing tax landscape

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Philanthropy

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Estate planning strategies

One relationship. All of Private Wealth Management.

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Navigating opportunities across your enterprise

Partnering with resources across UBS, including UBS Family Office Solutions as well as our global investment bank, we integrate institutional-level business solutions for family offices. From family governance to business transition, we help bridge the generations to preserve wealth, seize opportunity and create continuity.

Business owners - Succession or sale

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Business transition & succession planning

Are you considering an exit from your business? From investment banking to business transition planning to post-liquidity wealth management, we have the experience to help you with your future plans for your business. We can connect you to the resources you need to solve any challenge that may arise.

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Advice for business owners & entrepreneurs

Our process takes you from the initial stages of exit or succession planning all the way through the transaction close. We develop a personalized strategy to help manage the proceeds and achieve your future financial goals—and life goals after you step away.

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.

  • Bill Sullivan

    William "Bill" Sullivan

    Managing Director–Wealth Management

    Private Wealth Advisor

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    Bill began his career as a research assistant at H.C. Wainright & Co., a firm renowned for its institutional research. He joined Kidder, Peabody & Co. in 1975, which merged with PaineWebber in 1995. The combined firms were acquired by UBS in 2000.

    Bill graduated from Boston College with a B.S. in finance in 1967.

        • Private Wealth Advisor
        Home Worker AZ
        Home Worker AZ, AZ 000
        william.sullivan@ubs.com
        William "Bill" Sullivan
        Home Worker AZ,Home Worker AZ,AZ,000
      • TM

        Trammel Martin

        Managing Director–Wealth Management

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        Trammel began his career at Citigroup in New York advising institutional investors such as hedge funds, pension funds, and mutual funds. Later, he worked with newly formed investment and research companies based in Hong Kong and then in Boston where he managed portfolios and learned about the opportunities and challenges business owners encounter. He joined UBS in 2013 and provides holistic advice to business owners, executives, and their families.

              One Post Office Square
              35th floor
              Boston, MA 02109
              trammel.martin@ubs.com
              Trammel Martin
              One Post Office Square,Boston,MA,02109
            • Sarah Sullivan

              Sarah Sullivan

              Senior Vice President–Wealth Management

              Private Wealth Advisor

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              Sarah began her investment career in 1983 at Kidder, Peabody & Co. She has more than three decades of investment experience and utilizes that experience in appropriate financial structuring for high net worth families. A holistic approach to client relationships and seamless client service are hallmarks of Sarah’s leadership.

              She graduated from Duke University with a B.A. in economics and public policy in 1982.

                  • Private Wealth Advisor
                  One Post Office Square
                  35th floor
                  Boston, MA 02109
                  smp@ubs.com
                  Sarah Sullivan
                  One Post Office Square,Boston,MA,02109
                • Maria Butters

                  Maria Butters

                  Team Administrator

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                  Maria has more than three decades of experience in the financial services industry, joining Sullivan Partners at UBS in 2000, where she oversees the many details involved in serving our clients.

                        One Post Office Square
                        35th floor
                        Boston, MA 02109
                        maria.butters@ubs.com
                        Maria Butters
                        One Post Office Square,Boston,MA,02109
                      • KV

                        Katharine Venuti

                        Authorized Officer

                        Senior Wealth Strategy Associate

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                        Katie spent five years at State Street in Accounting and Financial Reporting roles before joining the Sullivan Martin Partners at UBS in 2013. Katie focuses on financial planning and client relationship management, in addition to overseeing the execution of the team’s operational and administrative functions.

                              One Post Office Square
                              35th floor
                              Boston, MA 02109
                              katie.venuti@ubs.com
                              Katharine Venuti
                              One Post Office Square,Boston,MA,02109
                            • Stephanie Kopp

                              Stephanie Kopp

                              Senior Registered Client Associate

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                              Stephanie has over 20 years in banking and wealth management.  She joined UBS in 2010 supporting advisors in the Austin branch, and joined Sullivan-Martin Partners in 2024.  Stephanie specializes in account administration, including operational support.

                                    One Post Office Square
                                    35th floor
                                    Boston, MA 02109
                                    stephanie.kopp@ubs.com
                                    Stephanie Kopp
                                    One Post Office Square,Boston,MA,02109
                                  • Hannah Wodworth

                                    Hannah Woodworth

                                    Registered Client Associate

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                                    • AK
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                                    Hannah graduated from Boston College in 2023 with a B.S. in Accounting. After spending a year at Ernst & Young as an Auditor, Hannah joined the Sullivan Martin Partners team at UBS in 2024. Hannah executes administrative and operational tasks to support client’s needs.

                                          One Post Office Square
                                          35th floor
                                          Boston, MA 02109
                                          hannah.woodworth@ubs.com
                                          Hannah Woodworth
                                          One Post Office Square,Boston,MA,02109

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                                        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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