Cambridge Investment Research Advisors
43yrs
Top advisor by experience in Fairfield
16yrs
Mark Oberlander
Financial advisor at Cambridge Investment Research Advisors
Mark Oberlander is a fiduciary financial advisor in Fairfield, Iowa, with 16 years in the industry. After a year at Madison Avenue Securities, Mark joined Cambridge Investment Research Advisors in 2026, a firm offering financial planning, investment management, and retirement plan consulting. Cambridge Investment Research Advisors reports being paid through a percentage of assets, hourly fees, and flat fees.
One of 130 advisors with offices in Fairfield, and one of 128 fiduciaries.
At a glance
Experience16 years (since 2010)
How that compares ?More experience than 56% of advisors in Fairfield
Office1776 Pleasant Plain Rd, Fairfield, IA 52556
How the firm is paid ?Percent of assets, Hourly, Flat fee, Commissions, Other
Typical client at the firm ?$378,281
Advisors at the firm3,917
States licensed ?1 state
Services through Cambridge Investment Research Advisors
Financial planningInvestment management for individuals and small businessesInvestment management for businesses and institutionsRetirement plan consultingChoosing other investment managersMarket timingEducational seminars and workshops
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
- Sep 2026 – nowCambridge Investment Research Advisors, Inc.Current firm
- Apr 2025 – Sep 2026Madison Avenue Securities, LLCPreviously
Contact Mark
(641) 472-5100Cambridge Investment Research Advisors main office 1776 Pleasant Plain RdFairfield, IA 52556Office · Get directions Instagram pageCambridge Investment Research Advisors
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Questions to ask Mark
Tailored to Mark’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
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About Mark
How do I contact Mark?
Call Cambridge Investment Research Advisors at (641) 472-5100 and ask for Mark Oberlander. Mark works from the Fairfield, IA office.
How long has Mark been a financial advisor?
Mark has been in the industry since 2010, about 16 years. More experience than 56% of advisors in Fairfield.
What licenses does Mark hold?
Series 63, Series 65, Series 66. Tap any license on this page to see what it allows.
Is Mark a fiduciary?
Mark is registered as an investment advisor representative, which carries a fiduciary duty when giving investment advice.
How is Mark paid?
Cambridge Investment Research Advisors reports being paid by a percentage of the assets they manage, hourly fees, flat or fixed fees, commissions on some products, other fees. Ask Mark 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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