Sigma Advisors, LLC is managed by Ethan M. Rush, JD.  Mr. Rush is an attorney and Registered Investment Adviser, with over 30 years of experience in all aspects of estate planning, asset protection, and wealth management. He holds FINRA Series 7 and Series 66 licenses.


Mr. Rush's legal and financial experience allows Sigma to provide a unique level of investment and legal management and coordination. 

Professional Associations and Memberships:

  • Missouri Bar

    • Estate Planning and Probate Administration Committee

    • Business Law Committee

    • Business Succession Planning Committee

    • Charitable Giving Committee

    • Fiduciary Litigation Committee

  • United States District Court Eastern District of Missouri

  • United States Tax Court

  • FINRA Series 7

  • FINRA Series 66