Sigma Advisors, LLC is managed by Ethan M. Rush, JD.  Ethan 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. Ethan also works closely with a team of financial, tax, and legal professionals, depending on the needs of the client. Ethan can be contacted at


Education and Experience:

  • St. Louis University, BA 1985

  • St. Louis University School of Law, JD 1988

  • Member: 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 General Securities Representative Exam

  • FINRA Series 66 Uniform Combined State Law Exam



Sandeep Soorya is the Senior Healthcare Analyst & Managing Partner at nextGENeration Investments.  Sandeep is also the Senior Healthcare Analyst at Delaware Street Capital.  Prior to joining Delaware Street, Sandeep spent 7 years as the Senior Healthcare Analyst at Northern Trust Asset Management.  He focused on all sub-sectors of healthcare equities, including Bio-Pharma, Healthcare Services, and Medical Devices & Supplies.  Sandeep has over 25 years of experience in applied economics and finance.  He has extensive experience at building and managing investment portfolios within various investment horizons.  Prior to Northern Trust, he spent 6 years as a Senior Analyst at J. Goldman & Company in Manhattan, where he managed a market neutral portfolio in healthcare services. Prior to J. Goldman, Mr. Soorya worked at Frontpoint Healthcare, a long-short healthcare investment fund.  Mr. Soorya has also worked at Citigroup/Smith Barney and PricewaterhouseCoopers.  He received an M.B.A. from the Johnson School at Cornell University and a B.A. in Economics, from The George Washington University. Sandeep can be contacted at

Education and Experience:

  • The George Washington University, BA 1997

  • Johnson Graduate School of Management at Cornell University, MBA 2002

  • 2018-Present: Senior Healthcare Analyst, Delaware Street Capital

  • 2011-2018: Senior Healthcare Analyst, Northern Trust

  • 2006-2011: Senior Healthcare Analyst, J. Goldman & Company

  • 2004-2006: Senior Healthcare Analyst, FrontPoint Management

  • 2002-2004: Equity Research Associate, Citigroup/Smith Barney

  • 1997-2000: Associate Consultant, PricewaterhouseCoopers LLP