William James Dion
Advisor at XYPN Sapphire — Hopkinton, MA
Data sourced from SEC public records (and other sources when available). Some details may be added by the advisor after claiming their profile. Refreshed daily • Updated today.
Data sourced from SEC public records (and other sources when available). Some details may be added by the advisor after claiming their profile. Refreshed daily • Updated today.
Credentials
CFP®, Series 63, Series 65
Experience Industry experience
17 years
Location
Hopkinton, MA
XYPN Sapphire
Multi-team
William Dion is a CFP® professional with 17 years of experience in financial services. He is currently affiliated with XYPN Sapphire and previously worked at Tenere Wealth Advisors, Cerity Partners LLC, Prio Wealth LP, and Rockland Trust. XYPN Sapphire provides investment management and financial planning to individuals, trusts, estates, business entities, and retirement plans. The firm employs a long-term, risk-based investment approach using diversified portfolios and offers adviser-tailored plans supported by a corporate RIA structure owned by XY Planning Network.
Based on XYPN Sapphire
Flat fees generally range up to $75,000 per annum based on scope and complexity.
Hourly fees generally range up to $750 per hour depending on practitioner expertise and work complexity.
Fee-only: Fees generally range up to $75,000 per annum depending on complexity and scope.
Hopkinton, MA
Hopkinton MA
Advisors at this office
1
Massachusetts
17 years of industry experience
Tenere Wealth Advisors
2026 - Present • 1 year
Hopkinton, MA
XYPN Sapphire
2026 - Present • 1 year
Bozeman, MT
Cerity partners LLC
2025 - 2026 • 1 year
New York, NY
Prio Wealth LP
2018 - 2024 • 6 years
Boston, MA
Rockland Trust
2011 - 2018 • 7 years
Franklin, MA
Exclamation point means they have disclosures of this type. Check mark means no disclosures of this type were found.
Is not active or affiliated with:
Insurance agent
They sell insurance products and may earn commissions on those sales.
Broker-dealer / trader
They provide brokerage services and may earn transaction-based compensation in addition to advisory fees.
Bank
They're affiliated with a bank that may offer its own financial products and services.
Trust company
They provide trust and estate administration services, typically for separate fees.
Fund sponsor
They manage or sponsor investment funds and may earn management or performance-based fees if clients invest in them.
Accountant / CPA / tax prep
They offer tax and accounting services, typically for separate fees.
Lawyer
They provide legal services, typically billed separately.
Real estate agent
They facilitate real estate transactions and may earn commissions.
Other specialized services
They may provide services such as pension consulting or municipal advisory work, typically for separate fees.
Not sure where to start?
We'll help you think it through—whether you ultimately need an advisor or not. Warmer helps you compare advisors clearly, so you can choose with confidence.
For advisor listings, we rely on sources including public filings and data provided by advisors, and we cannot guarantee that all information is current or accurate. Advisors are independent and may not have reviewed or updated this information. Please review an advisor's Form ADV and do your own diligence before deciding whether to work with them.
Advisor matching and referrals are provided by FinanceHQ LLC ("FHQ"), a wholly-owned subsidiary of Warmer and an SEC-registered investment adviser. We may be compensated by participating advisors. You pay no fee to use our matching service, and advisor fees are not increased because of a referral. We do not supervise advisors, manage or hold assets, guarantee performance, or provide advice about specific investments.
By using our service, you agree to the Warmer Terms of Service and FHQ Advisory Agreement, and acknowledge Warmer's Privacy Policy. Please review FHQ's ADV Part 2A and Form CRS. Logos provided by Logo.dev
© 2026 Warmer Holdings Inc. ("Warmer")