NivaLet’s talk
Ian Kos, portrait

Ian Kos

Vice President at Tetley Investments in Park Ridge, IL

Investment adviser registrationUpdated

Ian Kos is Vice President of Tetley Investments, LLC, an investment adviser managing $194M, and works from its Park Ridge, IL office. Ian Kos has been registered as an investment adviser representative through Tetley Investments since 25 September 2012, has 14 years in the industry across 1 firm and has passed the Series 65.

14
Years in industry
14
Years at firm
1
Adviser firms
1
States registered

From the IAPD record, checked 22 October 2026SEC record

Career

Ian Kos has been Vice President of Tetley Investments since March 2023, is not listed as a control person, but directly owns under 5% of the firm. Ian Kos holds a BA in Biology from Earlham College and an MBA in Finance from DePaul University.

Tetley Investments, LLC is a Park Ridge, IL firm with $194M under management, 172 clients and 2 advisers in one office, as of its March 2026 filing.

Ian Kos is Vice-President of Tetley Investments, where he is tasked with handling important client relationships as well as operational tasks. He conducted molecular biology research at Loyola for seven years before entering DePaul University's MBA program in Finance.

  1. Tetley Investments, LLCCurrent
    – present · 14 years
    Park Ridge, IL · Adviser representative · Firm CRD 164130

Credentials and registrations

Investment adviser representative registrations

Ian Kos is registered as an investment adviser representative in Illinois, since September 2012.

  • IllinoisSince 25 September 2012

Examinations

Series 6516 July 2012
Name
Uniform Investment Adviser Law Examination

Key facts

Full name
Ian M Kos
CRD
6119885
Firm
Tetley Investments · CRD 164130
Role
Vice President
Office
444 N NORTHWEST HWY., SUITE 245, Park Ridge, IL 60068
Registration
Investment adviser registration
In the industry since
September 2012
Disciplinary history
Not yet shown here · SEC record
Firm bio
tetleyinvestments.com

Common questions

Where does Ian Kos work?

Ian Kos has been Vice President of Tetley Investments, LLC since March 2023.

Source: Form ADV, Schedule A, filed 2 March 2026

Is Ian Kos a financial advisor?

Yes. Ian Kos has a current investment-adviser registration in Illinois, through Tetley Investments since September 2012.

Source: IAPD individual record, checked 22 October 2026

How many years of experience does Ian Kos have?

Ian Kos has 14 years in the financial industry, since September 2012, across 1 adviser firm.

Source: IAPD individual record, checked 22 October 2026

What exams has Ian Kos passed?

Ian Kos passed the Series 65 in July 2012.

Source: IAPD individual record, checked 22 October 2026

Where is Ian Kos based?

Ian Kos’ registered office is in Park Ridge, IL.

Source: IAPD individual record, checked 22 October 2026

Is Ian Kos registered with FINRA?

No. Ian Kos has no current broker registration.

Source: IAPD individual record, checked 22 October 2026

How can I verify Ian Kos’ record?

Search CRD 6119885 on the SEC’s adviser search (adviserinfo.sec.gov), which publishes Ian Kos’ full registration record.

Source: IAPD individual record, checked 22 October 2026

Leadership at Tetley Investments

Sources

  1. IAPD individual record, CRD 6119885, checked 22 October 2026. Registration status, employment history and examinations.
  2. Form ADV Part 1A, Schedules A and B of Tetley Investments, LLC, filed 2 March 2026. Title, control and ownership bands.
  3. Tetley Investments team page. Biography, education, credentials, awards and the portrait, reproduced for identification.
Report a correction