Colleen O’Callaghan Advisor Headshot image

Colleen O’CallaghanColleen 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
2025 • 2024 • 2023 • 2022 • 2021 • 2020 • 2017 • 2016
Top 50 Private Wealth Management Teams
2020
Top 100 Financial Advisors
2025 • 2024 • 2023 • 2016
Top 250 Private Wealth Management Teams
2025 • 2024

Forbes

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

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

Select this article to learn more about our latest insights
Family Legacy

6 practices to help you navigate family dynamics during the holidays

December 15, 2025Cultivate deeper family connections with these six key strategies.Read Now
Investing

Shifting mindsets: How geopolitics, trade and tech innovation could redefine investment opportunities

December 15, 2025Recent global events have transformed how countries approach trade and manufacturing. Here’s a look at these changes and how they impact investment markets.Read Now
Select this article to learn more about our latest insights
Wealth Planning

Providing for your loved ones during your lifetime

December 15, 2025Planning on gifting your assets to your loved ones? See if giving while living is the right choice for you.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.