Stephen T. Sadler, JD, LLM

Managing Director, Senior Wealth Advisor

Boston, MA
Focus Areas

Tax Planning
Multi-Generational Planning
Estate Planning
Philanthropic Planning

Customer Experience
Customer Care
Colony U
Relationship Management

Client Specialty



Recipient of the FIVE STAR Wealth Manager Award in Boston Magazine (2016 – 2024)

Steve is a Managing Director, Senior Wealth Advisor, and Principal of The Colony Group. As one of the firm’s earliest Principals, Steve has enjoyed serving as the counselor to many of the company’s legacy clients for over 25 years. He uses his deep expertise to craft comprehensive and sophisticated wealth management plans for high net worth individuals, corporate executives, and organizations.

Steve is a member of the Board of Directors of the National Brain Tumor Society and serves on the Board of Advisors for the Graduate Tax Program and the Master of Financial Planning Program at Bentley University, is the former treasurer of the University of Massachusetts Foundation, and is a former member of the Finance Commission for the Town of Westwood. Steve previously has served as the Chairman of the Taxation Section of the Massachusetts Bar Association and has lectured and written on behalf of the MBA on numerous topics concerning tax and estate planning. He earned his Juris Doctor from Suffolk University School of Law, an LL.M. in Taxation from Boston University School of Law, and a Bachelor of Arts from the University of Massachusetts.

When not in the office, Steve enjoys skiing, biking, and swimming. He also participates in numerous Jimmy Fund events and enjoys visiting his two adult sons who live in Chicago.


Five Star Professional criteria: Credentialed as an IAR, FINRA-registered rep, a CPA, or a licensed attorney; at least five years in the financial services industry; favorable regulatory and complaint history review; meeting firm’s review standards; accepting new clients; one and five-year retention rates; assets administered; number of households served; and education and professional designations. Advisors awarded: nine Wealth Advisors for 2015; nineteen Wealth Advisors for 2016; twenty-two Wealth Advisors for 2017; and twenty-two Wealth Advisors for 2018, 2019, and twenty Wealth Advisors in 2020.

Published Insights

23 Colony Group MA-area Senior Wealth Advisors Awarded Five Star Wealth Managers for 2024

We are excited to share that 23 Massachusetts-area senior wealth advisors of The Colony Group have been named recipients of the 2024 Boston Five Star Wealth Manager award by...

Financial Considerations During a Divorce

Do you have a family member or friend who is contemplating divorce?  Putting all emotions aside, the legal aspect of divorce is essentially a business transaction involving the division...