Jack Gentile
Financial advisor at William Blair & Company
Based in Arlington Heights, Illinois, Jack Gentile is a fiduciary financial advisor with 3 years of industry experience. Jack has been with William Blair & Company since 2023. William Blair & Company offers financial planning, investment management, and private fund management and is paid through a percentage of assets and flat fees.
One of 166 advisors with offices in Arlington Heights, and one of 155 fiduciaries.
At a glance
Services through William Blair & Company
Specialties, designations like CFP®, and languages spoken appear here when advisors claim their profiles.
Licenses
Exams passed, from the official record. Tap a license to see what it allows.
Career
- 2023 – nowWilliam BlairCurrent firm
Contact Jack
(312) 236-1600Firm headquarters in Chicago, IL. Ask for Jack. Arlington Heights, ILOffice · Get directions LinkedIn pageWilliam Blair & CompanyIs this you? Claim your free profile to add a direct line, email, photo, and specialties.
Questions to ask Jack
Tailored to Jack’s registration and firm.
- At a firm this size, will I work with you directly or with a service team?
- What does a financial plan with you include, and how often is it updated?
- If you use outside managers, how are they chosen and what do they cost on top of your fee?
- Where would my money be held, and will I get statements directly from that firm?
- What would I pay in total each year, in dollars, including fund and trading costs?
My notes and scorecard
About Jack
How do I contact Jack?
Call William Blair & Company at (312) 236-1600 and ask for Jack Gentile. Jack works from the Arlington Heights, IL office.
How long has Jack been a financial advisor?
Jack has been in the industry since 2023, about 3 years. 3 years in the industry.
What licenses does Jack hold?
Series 66. Tap any license on this page to see what it allows.
Is Jack a fiduciary?
Jack is registered as an investment advisor representative, which carries a fiduciary duty when giving investment advice.
How is Jack paid?
William Blair & Company reports being paid by a percentage of the assets they manage, flat or fixed fees. Ask Jack for your total yearly cost in dollars.
Official record as of October 3, 2026.
This profile is for information only and is not financial advice or a recommendation.