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Kaid A. Koester


“Strive not to be a success, but rather to be of value.” – Albert Einstein

Areas of Concentration

  • Civil Tax Litigation
  • Criminal Tax Litigation

Experience at Work

Kaid represents individuals and businesses in civil and criminal tax disputes involving the Internal Revenue Service and Missouri Department of Revenue. He also provides tax planning advice and assists clients in ensuring compliance with their federal and state tax obligations. In addition to working in the tax controversy area, Kaid defends clients in white collar criminal matters involving allegations of financial fraud.

Prior to graduating from St. Louis University Law School, Kaid worked in the tax department of one of St. Louis’s largest accounting firms where he prepared tax returns on behalf of individuals, partnerships and corporations. He has a bachelor’s degree in accounting, and obtained a tax law concentration while in law school.

This year, Kaid is participating in the planning of Capes Sokol’s annual Tax Controversy Symposium, an annual free half-day CLE for CPAs and Enrolled Agents.

In the Community

Kaid is a member of the American Bar Association and the tax and criminal law sections of the Bar Association of Metropolitan St. Louis. He is an active participant in Volunteer Income Tax Assistance program, where he provides tax return preparation assistance to low income taxpayers.


  • J.D., Saint Louis University School of Law (2019)
  • B.S., Accountancy,  Southern Illinois University-Carbondale, magna cum laude (2016)

Licensed to Practice

  • Missouri

Memberships & Associations

  • Bar Association of Metropolitan St. Louis
    • Tax Section, Member
    • Criminal Section, Member
  • American Bar Association
People First Initiative: IRS to Provide Additional Relief to Taxpayers in Response to COVID-19
Settle Your Illinois Tax Bill for Less: Illinois Offers Tax Amnesty Program to Relieve Interest and Certain Penalties
Capes Sokol Welcomes New Associates Koester and Stachowski