
William OlesonWilliam OlesonExecutive DirectorWealth Advisor
About William
Bill Oleson is an Executive Director and Wealth Advisor with J.P. Morgan Wealth Management.
As a founder of The Fishman Oleson Group, Bill works closely with high-net-worth individuals and families, corporate executives and other sophisticated clients to deliver portfolios tailored to their needs, risk profiles, time horizons and tax considerations. He offers a comprehensive suite of wealth planning services and specialist resources that extend far beyond investment management to care for the entirety of each individual's financial life—banking, lending, trust and estate planning and more. He takes a long-term approach, bringing prudent insight to help balance growth and income opportunities while striving to protect the downside.
Bill is a member of the J.P. Morgan Wealth Management Portfolio Manager Program, a select group of Advisors who undergo a screening process to manage discretionary client portfolios and are subject to ongoing quantitative and qualitative reviews to assess their investment strategies.
Throughout a nearly two-decade career with J.P. Morgan and its predecessor firms, Bill has been committed to serving as an experienced sounding board, evaluating the big picture to address the challenges of significant wealth and guide clients through complex financial decision-making. He is known for his ability to solve problems, leveraging J.P. Morgan's best assets and ideas, including traditional investments, private equity, hedge funds, internal and external money managers and the firm's award-winning research.1 His strength can be found in the attention he pays to each individual as he builds multigenerational relationships upon a foundation of continuity and trust.
Bill graduated from Brown University with a B.A. in History, where he was captain of the university golf team. He and his wife, Helen, live in Larchmont, New York, with their two young sons. When he is not working, Bill enjoys coaching youth baseball, playing golf, running and spending time with his family. Together, they like to hike, travel and stay active.
Insights

After the rate cut: Investing beyond U.S. markets
September 19, 2025This rate cut – during a slowdown, not a slump – may support global risk assets. Here are the regions we’re focusing on.Read Now
September 2025 Fed meeting: Interest rates slashed by 25 basis points, signaling policy shift
September 18, 2025After much anticipation, the Federal Reserve cut rates by 25 basis points in September, marking a policy shift. What could this mean for economic policy going forward?Read Now
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September 18, 2025If you are planning on donating to charity this year, be sure to consider these best practices and helpful tips to help you maximize your impact.Read Now
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August inflation ticks up slightly: Is the Federal Reserve still on track for a rate cut?
September 12, 2025Consumer prices rose 0.4% in August, bringing annual inflation to 2.9% as the Federal Reserve weighs interest rate cuts.Read Now
After the rate cut: Investing beyond U.S. markets
September 19, 2025This rate cut – during a slowdown, not a slump – may support global risk assets. Here are the regions we’re focusing on.Read Now
September 2025 Fed meeting: Interest rates slashed by 25 basis points, signaling policy shift
September 18, 2025After much anticipation, the Federal Reserve cut rates by 25 basis points in September, marking a policy shift. What could this mean for economic policy going forward?Read Now
Are you maximizing your charitable giving?
September 18, 2025If you are planning on donating to charity this year, be sure to consider these best practices and helpful tips to help you maximize your impact.Read Now
New York estate planning
September 17, 2025When putting together an estate plan or any financial plan, you and your attorney should consider the various different state laws that could impact the plan in addition to federal laws. Here are some important items to think about for individuals with ties to New York State.Read Now
“Family of choice” can be a framework for caregiving support for LGBTQ+ seniors
September 16, 2025“Family of choice” can be a framework for caregiving support for LGBTQ+ seniors. Read on to learn more.Read Now
Business succession planning: Valuing your business
September 16, 2025Understand the basics of business valuation and how it can help you make better-informed decisions as your company grows and you get closer to succession.Read Now
6 strategies to consider before year-end
September 15, 2025As the year comes to a close, here are six strategies to consider when thinking about your finances. Learn some steps to help set yourself up for financial success in 2025 and beyond.Read Now
Aligning your strategy with your goals: The value of wealth planning
September 15, 2025There are many components to a strong wealth plan. Being intentional about building a holistic wealth strategy will help ensure alignment with your short- and long-term goals.Read Now
August inflation ticks up slightly: Is the Federal Reserve still on track for a rate cut?
September 12, 2025Consumer prices rose 0.4% in August, bringing annual inflation to 2.9% as the Federal Reserve weighs interest rate cuts.Read Now