Connie Streff has been Chief Compliance Officer of Big Sioux Financial since August 2025, is a control person of the firm and directly owns under 5% of it. Connie Streff holds a Bachelor's degree in Business Administration and Finance from Minnesota State University Moorhead.
Big Sioux Financial, Inc. is a Watertown, SD firm with $235M under management, 868 clients and 5 advisers across 2 offices, as of its February 2026 filing.
Connie Streff is Associate Wealth Advisor and Chief Compliance Officer of Big Sioux Wealth Management. Streff has worked in banking and financial services throughout a career, and for the last 14 years has focused on the compliance and regulation side of the business. Streff joined Big Sioux Wealth Management in these two roles.
Connie Streff’s longest registration is the current one, 1 year at Big Sioux Financial since 2025. Before joining Big Sioux Financial in 2025, Connie Streff was registered through Peschl & Associates, Inc. and Thrivent Investment Management Inc.
- Big Sioux Wealth ManagementCurrent– present · 1 yearWatertown, SD · Adviser representative · Firm CRD 299593
- Peschl & Associates, Inc.– · under a yearWatertown, SD · Adviser representative · Firm CRD 117524
- Thrivent Investment Management Inc.– · under a yearWatertown, SD · Adviser representative · Firm CRD 18387
Investment adviser representative registrations
Connie Streff is registered as an investment adviser representative in South Dakota, since July 2025.
- South DakotaSince 24 July 2025
Examinations
| Exam | Name | Passed |
|---|---|---|
| Series 65 | Uniform Investment Adviser Law Examination | 2 March 2024 |
| Series 66 | Uniform Combined State Law Examination | 3 August 2007 |
| Series 7 | General Securities Representative Examination | 20 July 2007 |
- Name
- Uniform Investment Adviser Law Examination
- Name
- Uniform Combined State Law Examination
- Name
- General Securities Representative Examination
- Full name
- Connie Jo Streff
- CRD
- 5361639
- Firm
- Big Sioux Financial · CRD 299593
- Role
- Chief Compliance Officer
- Office
- 1401 4TH ST NE, Watertown, SD 57201
- Registration
- Investment adviser registration
- In the industry since
- January 2024
- Disciplinary history
- Not yet shown here · SEC record
- Firm bio
- bigsiouxwealth.com
Where does Connie Streff work?
Connie Streff has been Chief Compliance Officer of Big Sioux Financial, Inc. since August 2025, and is a control person of the firm.
Is Connie Streff a financial advisor?
Yes. Connie Streff has a current investment-adviser registration in South Dakota, through Big Sioux Financial since July 2025.
How many years of experience does Connie Streff have?
Connie Streff has 2 years in the financial industry, since January 2024, across 3 adviser firms.
What exams has Connie Streff passed?
Connie Streff has passed 3 licensing exams: the Series 7, Series 66 and Series 65. The earliest, the Series 7, was passed in July 2007.
Where did Connie Streff work before Big Sioux Financial?
Before Big Sioux Financial, Connie Streff was registered through Peschl & Associates, Inc., March 2024 to January 2025; Thrivent Investment Management Inc., August 2007 to April 2008.
Where is Connie Streff based?
Connie Streff’s registered office is in Watertown, SD.
Is Connie Streff registered with FINRA?
No. Connie Streff has no current broker registration.
How can I verify Connie Streff’s record?
Search CRD 5361639 on the SEC’s adviser search (adviserinfo.sec.gov), which publishes Connie Streff’s full registration record.
