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Our Story
About TL Miller and AssociatesWe're proud to be Thrivent financial professionals. We provide personalized financial guidance to people at all stages of life. At Thrivent, we view money not as a goal, but as a tool — one that can afford you a life rich in meaning and gratitude. We believe humanity thrives when individuals make the most of all they've been given. We're here to help you do just that.
Tammy Miller
Tammy MillerFinancial AdvisorMBA, CFP®, FIC, CLTC®
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Donna Kahlenberg
Donna KahlenbergPractice Support Specialist LIC

Donna has been with Thrivent since 2015 and began her career in annuities before moving to RPS in 2023. She brings 14 years of financial services experience. Outside of work she enjoys hiking and doing anything in nature. She has 4 children and 3 grandchildren

Brandon Forster
Brandon ForsterAdvanced Field Practice Solutions Specialist LIC

Brandon has been with Thrivent since 2022 where he began his career as a Financial Advisor in North Carolina before moving to FPS in 2024. Before working at Thrivent, Brandon worked as a Mortgage Loan Closer and Mortgage Loan Officer. Brandon received his master’s degree in finance in 2020. Outside of work, he loves spending time with his wife and 3 kids. 

Betsy Sitkie
Betsy SitkieField Practice Solutions Specialist LIC

Betsy has been with Thrivent since 2023 where she began her career as an Insurance Representative  Associate in Crystal Lake, Illinois before moving to FPS in 2025. Before working at Thrivent, Betsy worked as a Paraprofessional for School District 47. Prior to that, she worked at BMO-Harris Bank for 16 years. Outside of work, she loves spending time with her husband and 2 kids, reading and camping.  

Sally White
Sally WhiteField Practice Solutions Specialist LIC

Sally has been with Thrivent since 2025 where she began her career in FPS. Before working at Thrivent, Sally worked as a licensed High Net Worth Representative for another investment firm. Prior to that she worked as a Certified Pharmacy Technician. Sally received her undergraduate degree in Philosophy, Politics, and Economics in 2024. Outside of work, she loves painting, reading, and spending time with her husband and 2 children. 

Westlake Location
26040 Detroit Rd Ste 4
Westlake, OH 44145
Phone440-455-9693Fax440-455-9692Hours
M – F: 9 a.m. – 5 p.m.

Ready to connect?

We'd love to answer any questions you may have and start learning about your goals. We can meet however you're most comfortable—phone, virtual or in person.

Or call us directly: 440-455-9693

Licensing is available through your State Insurance Department’s website, which can be located through the National Association of Insurance Commissioners website.

Thrivent financial advisors and professionals have general knowledge of the Social Security tenets. For complete details on your situation, contact the Social Security Administration.

Not all team members may provide all products, programs and services in all states.

Not all team members may office at the locations listed.

* as of December 31, 2024

** Thrivent and its financial advisors and professionals do not provide legal, accounting or tax advice. Consult your attorney or tax professional.

Rating is based on Thrivent’s financial strength and claims-paying ability. Does not apply to investment product performance. For information on this rating, visit the rating agency's website.

Designations
For additional information on professional designations and the requirements to earn them, visit https://www.thrivent.com/designations

Certified Financial Planner Board of Standards Center for Financial Planning, Inc. owns and licenses the certification marks CFP®, CERTIFIED FINANCIAL PLANNER®, and CFP® (with plaque design) in the United States to Certified Financial Planner Board of Standards, Inc., which authorizes individuals who successfully complete the organization's initial and ongoing certification requirements to use the certification marks.