Cetera Investment Advisers
47yrs
Top advisor by experience in Crystal Lake
41yrs
John Rousos has worked in the financial industry for 41 years and is a fiduciary financial advisor based in Crystal Lake, Illinois. After two years at Securities America Advisors and four years at Investacorp Advisory Services, John joined TLG Advisors in 2023, a firm offering financial planning, investment management, and private fund management. The firm is paid through a percentage of assets, hourly fees, and flat fees.
One of 112 advisors with offices in Crystal Lake, and one of 107 fiduciaries.
At a glance
Experience41 years (since 1985)
How that compares ?Top 2% by experience in Illinois
Office805 S McHenry Avenue, Suite I, Crystal Lake, IL 60014
FirmTLG Advisors
How the firm is paid ?Percent of assets, Hourly, Flat fee
Typical client at the firm ?$430,112
Advisors at the firm301
States licensed ?1 state
Services through TLG Advisors
Financial planningInvestment management for individuals and small businessesManaging private fundsInvestment management for businesses and institutionsRetirement plan consultingChoosing other investment managersEducational seminars and workshopsOther services
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 – nowTLG Advisors, Inc.Current firm
- 2020 – 2022Securities America Advisors, Inc.Previously
- 2016 – 2020Investacorp Advisory Services Inc.Previously
- 2010 – 2015Kestra Investment Services, LLCPreviously
- 2006 – 2009Truist Investment Services, Inc.Previously
Contact John
(888) 371-0013Firm headquarters in Summit, NJ. Ask for John. 805 S McHenry Avenue, Suite ICrystal Lake, IL 60014Office · Get directions LinkedIn pageTLG Advisors
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Questions to ask John
Tailored to John’s registration and firm.
- What's your succession plan, and who would work with me if you retire?
- 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
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About John
How do I contact John?
Call TLG Advisors at (888) 371-0013 and ask for John Rousos. John works from the Crystal Lake, IL office.
How long has John been a financial advisor?
John has been in the industry since 1985, about 41 years. Top 2% by experience in Illinois.
What licenses does John hold?
Series 63, Series 65. Tap any license on this page to see what it allows.
Is John a fiduciary?
John is registered as an investment advisor representative, which carries a fiduciary duty when giving investment advice.
How is John paid?
TLG Advisors reports being paid by a percentage of the assets they manage, hourly fees, flat or fixed fees. Ask John 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.
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