Alison C. O'Sullivan
About Alison C. O'Sullivan
Alison C. O'Sullivan is a lawyer based in Boston, MA and has been recognized in Best Lawyers: Ones to Watch® in America since 2026. Alison C. O'Sullivan is recognized in the following practice area:
- Boston, Massachusetts
- Tax Law
Current Firm: McCarter & English LLP
Education: Rutgers University–Camden, J.D., graduated 2001
Location: Boston, MA
It takes just a few minutes to optimize your profile for clients looking to engage and lawyers who are ready to refer.
Activate your profile and highlight why your peers recognized in Best Lawyers today.
Nearby Lawyers
Robert G. Jones is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Litigation - Banking and Finance and Litigation - Securities. Robert G., who practices law in Boston, Massachusetts, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert G. is held by other top lawyers in the same geographic and legal practice area.
Colleen M. Hennessey is a top attorney recognized by Best Lawyers in the practice area(s) of Product Liability Litigation - Defendants. Colleen M., who practices law in Boston, Massachusetts, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Colleen M. is held by other top lawyers in the same geographic and legal practice area.
Maura McLaughlin counsels employers throughout the full life cycle of managing employment relationships. She advises clients on important hiring, discipline and termination decisions, and on best practices for performance management and documentation, which allows for successful defense of these decisions. Clients look to Maura’s advice on negotiating reasonable accommodation issues, addressing employee absenteeism and misconduct, and as compliance with wage and hour laws. She also prov...
Lori Rittman Clark has devoted her entire legal career to representing businesses in a broad spectrum of employment-related issues and disputes. For over 25 years, businesses have been turning to Lori for practical, strategic and value-driven employment law counseling and representation. Lori is admitted to practice in Connecticut, Massachusetts and New Hampshire and has clients in all three states.
Chinh H. Pham is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Chinh H., who practices law in Boston, Massachusetts, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Chinh H. is held by other top lawyers in the same geographic and legal practice area.
Pamela L. Glazier is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Pamela L., who practices law in Boston, Massachusetts, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Pamela L. is held by other top lawyers in the same geographic and legal practice area.
Mr. Stearns has extensive experience advising a broad range of clients in commercial real estate developments and managing the permitting, financing and development of office, residential and other commercial development projects. Such clients include developers, institutional investors, buyers, sellers, financial institutions, hospitals, securitized mortgage brokers, landlords, tenants and others involved in real estate and business transactions. Mr. Stearns has significant experience appear...
Chris Froeb focuses his practice on representing local and national developers, investors and owners in all aspects of commercial real estate transactions, including joint venture transactions, development and management agreements, acquisitions, sales, financings and refinancings. What do you focus on? Joint venture transactions and general real estate transactions I work routinely with local and national developers and institutional investors to create joint venture companies that are targe...
For over 25 years, Steven Ryan has practiced in the area of family law litigation, representing hundreds of clients involved in complex divorce matters. Mr. Ryan’s practice addresses all of the myriad issues that arise in the divorce setting: marital property division, inherited and gifted property, non-traditional compensation issues, business valuation, child support, child custody, alimony and the modification of previous awards of support. Complementing his experience as a trial adv...
Robin A. Painter is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Private Funds / Hedge Funds Law. Robin A., who practices law in Boston, Massachusetts, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robin A. is held by other top lawyers in the same geographic and legal practice area.
Explore and Learn
Recognizing Legal Leaders: The 2027 Best Lawyers Awards in Australia, Japan and Singapore
by Jamilla Tabbara
Market drivers, diversity trends and the elite practitioners shaping the legal landscape.
How Far Back Can the IRS Audit You?
by Bryan Driscoll
Clear answers on IRS statutes of limitations, recordkeeping and what to do if you are under review.
Musk v. Altman: The Lawyers Behind the Case
by Jamilla Tabbara
Meet the Trial Lawyers Shaping One of AI's Biggest Legal Disputes.
The Best Lawyers in France 2027: Peer-Reviewed Excellence
by Jamilla Tabbara
Seventeen editions of peer trust, a growing profession and a dynamic legal market.
Announcing the 2027 Best Lawyers Awards: Austria, Germany and Switzerland
by Jamilla Tabbara
Celebrating the legal professionals throughout Central Europe.
The Legal Teams Behind the Blake Lively–Justin Baldoni Settlement
by Grace Greer
A closer look at the legal teams and attorneys involved in the Blake Lively–Justin Baldoni litigation and its resolution.
How AI Is Changing the Way Clients Find Lawyers
by Jamilla Tabbara
Best Lawyers CEO Phil Greer explains how AI-driven search tools are reshaping legal marketing and why credibility markers matter.
When Is It Too Late to Stop Foreclosure?
by Bryan Driscoll
Understanding the foreclosure timeline, critical deadlines and the legal options that may still protect your home.
Can You Go to Jail at an Arraignment?
by Bryan Driscoll
Understanding What Happens at Your First Court Appearance.