Aaron O’Connor

Chief Executive Officer at

Mueller Certified Public Accountants

51 year

Finance

Commercial Services

Profile

Aaron J.
O’Connor is Co-Managing Director at Mueller Certified Public Accountants since 2020.
Formerly, Mr. O’Connor was Independent Director at BankFinancial Corp.
from 2024 to 2026, Audit Partner at PKF Mueller LLP from 2020 to 2023, and Director at BankFinancial, NA.

Aaron O’Connor active positions

Companies	Position	Start
Mueller Certified Public Accountants Mueller Certified Public Accountants Miscellaneous Commercial ServicesCommercial Services Provides accounting services	Chief Executive Officer	2019-12-31

All active positions of Aaron O’Connor

Former positions of Aaron O’Connor

Companies	Position	End
BANKFINANCIAL CORPORATION	Director/Board Member	2025-12-31
BankFinancial, NA BankFinancial, NA Major BanksFinance Operates as a nationally chartered commercial bank	Director/Board Member	-

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Experiences
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Private companies

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Linked companies

Private companies	3
BankFinancial Corp. BankFinancial Corp. Regional BanksFinance Operates as a bank holding company through its subsidiaries provides commercial banking services	Finance
Mueller Certified Public Accountants Mueller Certified Public Accountants Miscellaneous Commercial ServicesCommercial Services Provides accounting services	Commercial Services
BankFinancial, NA BankFinancial, NA Major BanksFinance Operates as a nationally chartered commercial bank	Finance