Sebastian A Cooper

Employer firm

Nationwide Investment Advisors, LLC CRD 142373

$16.7B regulatory AUM

Reported services (Item 5G)

• Portfolio management (individuals)
• Portfolio management (institutions)
• Selection of other advisers

From the firm’s Form ADV. Read the guides:

• Item 5F — Regulatory AUM
• Item 5G — Advisory services
• Full firm profile

Current Employers

Employment History

• 05/2026 → Present
  Tapfin/Ey
  Detroit, MI
• 08/2016 → 03/2017
  Unemployed
  Wixom, MI
• 05/2020 → 09/2020
  Unemployed
  Dearborn, MI
• 09/2020 → 05/2021
  Western Southern Life
  Livonia, MI
• 09/2020 → 05/2021
  W&S Brokerage Services
  Cincinnati, OH
• 01/2020 → 05/2020
  Michigan Financial Companies
  Southfield, MI
• 04/2019 → 10/2019
  Huntington Bank
  Lincoln Park, MI
• 01/2018 → 06/2018
  Cec Entertainment
  Canton, MI
• 03/2017 → 10/2017
  Great Lakes Coca-Cola
  Highland Park, MI
• 08/2016 → 03/2017
  Full Time Education
  Allendale/Grand Rapids, MI
• 10/2017 → 01/2018
  Unemployed
  Dearborn, MI
• 10/2019 → 01/2020
  Unemployed
  Dearborn, MI
• 06/2018 → 04/2019
  Unemployed
  Dearborn, MI
• 06/2021 → 12/2023
  Pruco Securities, Llc.
  Troy, MI
• 09/2021 → 12/2023
  Prudential
  Troy, MI
• 04/2025 → 04/2026
  American United Life
  Westland, MI
• 06/2025 → 04/2026
  Oneamerica Securities
  Westland, MI
• 12/2023 → 04/2025
  Unemployed
  Westland, MI
• 08/2026 → Present
  Nationwide Investment Services Corporation
  Columbus, OH

Previous Registrations

• 2026-05-20 → 2026-06-01
  Ernst & Young Investment Advisers Llp
  Detroit, MI
  Westland, MI
• 2025-06-16 → 2026-05-13
  Oneamerica Securities, Inc.
  Westland, MI
  Indianapolis, IN
• 2022-10-25 → 2023-12-01
  Pruco Securities, Llc.
  Troy, MI

Exams

• S65 Uniform Investment Adviser Law Examination
  2022-07-18
• S63 Uniform Securities Agent State Law Examination
  2021-08-19

Other Names

• Sebastian Allen Cooper
• Sebastian Cooper
• Sebastian A Cooper