Colleen O’Callaghan Advisor Headshot image

Colleen A. O’CallaghanColleen A. O’Callaghan
Managing Director
Wealth Partner

"Offering guidance based on a deep understanding of immediate and long-term needs, I develop strategies tailored specifically to clients’ challenges and aspirations."

Awards and Industry Recognition

Barron's

Top 100 Women Financial Advisors
2026 • 2025 • 2024 • 2023 • 2022 • 2021 • 2020 • 2017 • 2016
Top 50 Private Wealth Management Teams
2020
Top 100 Financial Advisors
2026 • 2025 • 2024 • 2023 • 2016
Top 250 Private Wealth Management Teams
2026 • 2025 • 2024

Forbes

America’s Top Wealth Management Teams
2025 • 2024 • 2023 • 2022
Top 100 Women Wealth Advisors
2026 • 2025 • 2024 • 2023 • 2022 • 2021 • 2020 • 2017
Top Wealth Advisors Best-In State
2026 • 2025 • 2024 • 2023 • 2022 • 2021 • 2020
America’s Top Wealth Advisors
2026 • 2025 • 2024 • 2023 • 2022 • 2021 • 2020
Top Wealth Management Teams Best-In-State
2026 • 2025 • 2024 • 2023
Top Women Wealth Advisors Best-In-State
2026 • 2025 • 2024 • 2023
50 Over 50
2026

About Colleen

Colleen O'Callaghan is a Managing Director and Wealth Partner at J.P. Morgan Wealth Management.

As a founding member of The O'Callaghan Thomas Group, Colleen works directly with a select group of ultra-high-net-worth individuals, multi-generational families, corporate executives and entrepreneurs to help them address the complexities of significant capital.

Offering guidance based on a deep understanding of immediate and long-term needs, Colleen develops strategies tailored specifically to her clients' challenges and aspirations. She leverages the global resources and financial strength of J.P. Morgan to provide full-service capabilities that help meet individualized goals. Colleen is highly responsive to client needs and her unbiased and detailed approach helps cultivate exceptional and long-lasting relationships.

With a passion for financial markets, Colleen has spent almost two decades as a steward for sizable assets. She has built The O'Callaghan Thomas Group upon the shared vision of excellence, critical thinking and discipline. Most recently, Colleen and her team were in the Private Wealth Management division at Morgan Stanley. Together, they joined J.P. Morgan in 2017 to provide clients with the personal touch of a small boutique setting coupled with the firm's global reach and renowned investment platform.

Colleen began her career in 1996 in the M.B.A. program of Brown Brothers Harriman and later joined Credit Suisse to institute a wealth management practice in the United States. The O'Callaghan Thomas Group moved to Lehman Brothers in 2000, where she was a leading advisor and served on the philanthropy group of the Women's Initiative of Leadership and Learning. Colleen has been a guest speaker at leading wealth management conferences as well as a speaker at the Barron's conference.

A graduate of Miami University in Ohio, Colleen holds a B.A. in Political Science and History.

Insights

Markets and Economy

A calm index, a restless market

October 2, 2026As stocks and bonds increasingly move in sync, the headline rally can hide a quiet repricing. We explore why dispersion is back.Read Now
Markets and Economy

Which industries are most affected by Fed rate hikes?

October 1, 2026When the Federal Reserve hikes interest rates, borrowing costs, customer demand and valuations across industries may be impacted, from real estate and small businesses to AI data centers.Read Now
Markets and Economy

Data centers meet democracy: The backlash to the AI buildout

October 1, 2026As U.S. congressional elections approach, rising electricity prices have elevated data center oversight as a rare bipartisan issue.Read Now
Personalized guidance begins with a conversation.
Access the firm-wide capabilities of a global financial leader at your side. Take the next step to unlock new opportunities that align with your financial goals.