Experience

Makes all the difference

Bill and Sarah work very closely with a limited number of clients to fully understand their overall needs and objectives, offering each comprehensive financial counsel. Sullivan Partners’ dedication to building close working relationships with their clients helps ensure the highest level of personal attention and responsiveness necessary to successfully serve the financial complexities of families, and individuals, with significant wealth.

Sullivan Partners operates from the UBS Private Wealth Management office in Boston, one of ten such offices in the United States designed to specifically address the needs of ultra high net worth investors. With decades of experience behind them, the Sullivan Partners are strongly positioned to coordinate the sophisticated resources available at UBS Private Wealth Management to offer tailored financial advice and strategies committed to transforming their clients’ wealth into a legacy that can last for generations.
 

William "Bill" Sullivan

Managing Director–Wealth Management

Private Wealth Advisor

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.

Registered States:
  • AK
  • AZ
  • CA
  • CO
  • CT
  • DC
  • DE
  • FL
  • GA
  • HI
  • ID
  • IL
  • MA
  • MD
  • ME
  • MI
  • MO
  • NC
  • NH
  • NJ
  • NV
  • NY
  • OH
  • OR
  • PA
  • RI
  • SC
  • TN
  • TX
  • VA
  • VT
  • WA
  • WY

Recognized as an industry leader:

  • Barron's Top 1,000 Financial Advisors, 2009, 2010, 2011, 2013The Barron's rating is awarded annually in March and is based on information from the prior year Q3. 
  • Barron's Top 1,200 Financial Advisors, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
    The Barron's rating is awarded annually in March and is based on information from the prior year Q3. 
  • Forbes America's Top Wealth Advisors, 2017, 2018, 2019, 2020, 2021, 2022The 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 Advisors, 2018, 2019, 2020, 2021, 2022, 2023, 2024The 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, 2024The 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

Credentials

  • Private Wealth Advisor
One Post Office Sq.
35th Floor
Boston, MA 02109

Email Me

william.sullivan@ubs.com
William "Bill" Sullivan
One Post Office Sq.,Boston,MA,02109

Trammel Martin

Managing Director–Wealth Management

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.

Registered States:
  • AK
  • AZ
  • CA
  • CO
  • CT
  • DC
  • DE
  • FL
  • GA
  • HI
  • ID
  • IL
  • MA
  • MD
  • ME
  • MI
  • NH
  • NJ
  • NV
  • NY
  • OH
  • OR
  • PA
  • SC
  • TX
  • VA
  • VT
  • WA
  • WY

Recognized as an industry leader:

  • Forbes Best-in-State Wealth Advisors, 2022, 2023, 2024The 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.

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

One Post Office Sq.
35th Floor
Boston, MA 02109

Email Me

trammel.martin@ubs.com
Trammel Martin
One Post Office Sq.,Boston,MA,02109

Sarah Sullivan

Senior Vice President–Wealth Management

Private Wealth Advisor

Sarah began her investment career in 1983 at Kidder, Peabody & Co. She has more than three decades of investment experience and offers proven expertise 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.

Registered States:
  • AK
  • AZ
  • CA
  • CO
  • CT
  • DC
  • DE
  • FL
  • GA
  • HI
  • ID
  • IL
  • MA
  • MD
  • ME
  • MI
  • MO
  • NC
  • NH
  • NJ
  • NV
  • NY
  • OH
  • OR
  • PA
  • RI
  • SC
  • TN
  • TX
  • VA
  • VT
  • WA
  • WY

Recognized as an industry leader:

  • Forbes Best-in-State Wealth Management Teams, 2024The 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

Credentials

  • Private Wealth Advisor
One Post Office Sq.
35th Floor
Boston, MA 02109

Email Me

sarah.sullivan@ubs.com
Sarah Sullivan
One Post Office Sq.,Boston,MA,02109

Maria Butters

Team Administrator

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.

Registered States:
  • AZ
  • CA
  • CO
  • CT
  • DC
  • DE
  • FL
  • GA
  • HI
  • ID
  • IL
  • MA
  • MD
  • ME
  • MI
  • MO
  • NC
  • NH
  • NJ
  • NV
  • NY
  • OH
  • OR
  • PA
  • RI
  • TN
  • TX
  • VA
  • VT
  • WA
  • WY
One Post Office Sq.
35th Floor
Boston, MA 02109

Email Me

maria.butters@ubs.com
Maria Butters
One Post Office Sq.,Boston,MA,02109

Katharine Venuti

Senior Wealth Strategy Associate

Katie spent five years at State Street in Accounting and Financial Reporting roles before joining the Sanders Martin Group 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.

Registered States:
  • AK
  • AL
  • CA
  • CO
  • CT
  • DC
  • DE
  • FL
  • GA
  • HI
  • ID
  • IL
  • IN
  • MA
  • ME
  • MI
  • MO
  • NC
  • NH
  • NJ
  • NV
  • NY
  • PA
  • RI
  • SC
  • TX
  • VA
  • VT
  • WA
  • WY
One Post Office Sq.
35th Floor
Boston, MA 02109

Email Me

katie.venuti@ubs.com
Katharine Venuti
One Post Office Sq.,Boston,MA,02109

Stephanie Kopp

Client Associate

Registered States:
  • AK
  • AL
  • AZ
  • CA
  • CO
  • CT
  • DC
  • DE
  • FL
  • GA
  • HI
  • ID
  • IL
  • LA
  • MA
  • MD
  • ME
  • MI
  • MO
  • MT
  • NH
  • NJ
  • NV
  • NY
  • OR
  • PA
  • SC
  • TX
  • VA
  • VT
  • WA
  • WY
One Post Office Square
35th floor
Boston, MA 02109

Email Me

stephanie.meeks@ubs.com
Stephanie Kopp
One Post Office Square,Boston,MA,02109

Hannah Woodworth

Client Associate

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

Email Me

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