Jay Koski

Current Employers

Employment History

• 01/2019 → 01/2026
  Saint Michael Lutheran Church
  Portage, MI
• 01/2025 → 05/2025
  Houser Cook
  Portage, MI
• 05/2018 → 08/2018
  Wsr Certified Accountants
  Ann Arbor, MI
• 08/2017 → 01/2019
  Concordia University - Ann Arbor
  Ann Arbor, MI
• 08/2016 → 05/2017
  Concordia University - Ann Arbor
  Ann Arbor, MI
• 12/2025 → Present
  River Financial Planners
  Schoolcraft, MI
• 05/2015 → 08/2017
  Airway Lanes
  Portage, MI
• 01/2026 → Present
  Lpl Financial Llc
  Schoolcraft, MI

Other Businesses

1.01/23/2026; Jay Koski; Tax Prep/Accounting/CPA; Investment Related; Portage,MI; Start Date 01/01/2024; 5hrs/mth; 0hrs during trading 2.02/11/2026; Houser Cook PLLC; Tax Prep/Accounting/CPA; Investment Related; Portage,MI; Start Date 02/01/2026; 50hrs/mth; 0hrs during trading 3.02/11/2026; Kalamazoo Official's Association and Michigan Collegiate Football Officials' Association; Outside/W-2 Employment; Not Investment Related; Portage,MI; Start Date 08/01/2024; 5hrs/mth; 0hrs during trading 4.05/07/2026; Notary; Notary; Investment Related; at Reported Business Location(s); Start Date 04/29/2026; 0hrs/mth; 0hrs during trading 5.08/19/2026; Investment products and services are offered through LPL Financial LLC using the DBA/trade name River Financial Planners; Investment Related; at Reported Business Location(s); Start Date 01/12/2026; 160hrs/mth; 160hrs during trading 6.08/28/2026; Jay Koski; Non-Variable Insurance; Investment Related; at Reported Business Location(s); Start Date 08/25/2026; 5hrs/mth; 5hrs during trading

Exams

• S66 Uniform Combined State Law Examination
  2026-02-17