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Brian Killian Email & Phone Number

Director, Financial Systems at CBOE at Cboe Global Markets
Location: Greater Chicago Area, United States 6 work roles 1 school
2 work emails found @cboe.com 4 phones found area 312 LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 100%

Contact Signals · 2 work emails · 4 phones

Work email k****@cboe.com
Direct phone (312) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Director, Financial Systems at CBOE
Location
Greater Chicago Area, United States
Company size

Who is Brian Killian? Overview

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Quick answer

Brian Killian is listed as Director, Financial Systems at CBOE at Cboe Global Markets, a with 972 employees, based in Greater Chicago Area, United States. AeroLeads shows a work email signal at cboe.com, phone signal with area code 312, and a matched LinkedIn profile for Brian Killian.

Brian Killian previously worked as Director, Financial Systems at Cboe Global Markets and Accounting Manager at Cboe. Brian Killian holds Bachelor'S Degree, Accounting from University Of Illinois Chicago.

Company email context

Email format at Cboe Global Markets

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{last}{first_initial}@cboe.com
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AeroLeads found 2 current-domain work email signals for Brian Killian. Compare company email patterns before reaching out.

Profile bio

About Brian Killian

Brian Killian is a Director, Financial Systems at CBOE at Cboe Global Markets. He possess expertise in management, financial analysis, microsoft excel, microsoft office, microsoft great plains and 20 more skills.

Listed skills include Management, Financial Analysis, Microsoft Excel, Microsoft Office, and 21 others.

Current workplace

Brian Killian's current company

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Cboe Global Markets
Cboe Global Markets
Director, Financial Systems at CBOE
chicago, illinois, united states
Website
Employees
972
AeroLeads page
6 roles

Brian Killian work experience

A career timeline built from the work history available for this profile.

Director, Financial Systems

Current

Chicago, Illinois, United States

• Managed the process of migrating to a new financial system (Workday), including making recommendations, and implementing process functionality• Acted as implementation manager for several domestic and international acquisitions, including building and programming banking integrations, designing invoice layouts, and programming tax assessment logic• Developed reports across all financial functions based on team needs (Advanced, Composite, and Matrix) including complex calculated fields to return required data• Managed all business process workflows• Developed the request management process to allow for documentation of change management and introduction of approvals based on conditional logic• Took the lead on semi-annual Workday updates including viewing new potential functionality, making recommendations, and implementing• Developed bank integrations with ERP across domestic and international banks including custom coding for electronic payment systems• Supported global Finance team with troubleshooting and requests for process improvement suggestions• Guided proper data results via strategic use of posting rules and related worktags and custom validation rules

Mar 2019 - Present

Accounting Manager

• Managed entire billing process, including writing billing logic in third-part portal and performing required customer service for C2 Options Exchange

Mar 2007 - Mar 2019

Defacto Cfo

• Was responsible for all day-to-day accounting functions for compilation of monthly financial statements• Managed entire billing process, including writing billing logic in third-part portal and performing required customer service• Managed the annual budgeting process, including developing models for transaction fees• Reported to the CBSX Board with quarterly financial statements, variances from budget, and projections going forward

Mar 2007 - Apr 2018

Accounting Manager

Greater Chicago Area

• Reviewed and recorded the financial activity of the four business units (Chicago Cubs, Wrigley Field Premium Ticket Services, Dominican Baseball, and Diana-Quentin) during the monthly closing process to ensure all expenses, revenues and balance sheet items are properly and accurately recorded and results in the accurate and timely presentation of the financial condition of the company.• Managed general accounting staff (Senior Accountants (2), Staff Accountant (1), and AP Coordinator (1)) and assist with management of payroll staff personnel.• Provided reporting and analysis of profit and loss and balance sheet items as compared to budgeted and historical data of the Chicago Cubs to assist management in the decision-making process. Reviewed balance sheet account reconciliations.• Managed all aspects of Sarbanes-Oxley compliance including maintaining electronic documentation, testing of controls, and gathering/verifying of monthly support.• Provided monthly, quarterly, and year-end financial reports to Tribune regarding income statement variance analysis, return on invested capital, balance sheet variance analysis, and general financial condition. Submitted periodic reports as requested by Major League Baseball Commissioner's Office..• Reviewed and prepared tax schedules to assist in the preparation of federal and state income tax returns.• Coordinated all aspects of the year-end financial audit, internal audits, and assist with revenue sharing audits.

Mar 2006 - Mar 2007

Accounting Manager

Greater Chicago Area

• Supervised and performed the payroll functions of the Exchange, including recording of payroll data into general ledger, reconciling various tax filings, managing staff (1), managing payroll system data, and issuance of W-2s (Total Exchange employees = 670).• Recorded journal entries to various balance sheet and income statement accounts according to GAAP. Reported to Controller with regard to monthly variances for assigned CBOE Departments (9, including CBOE’s largest budgeted division at $50 million). Communicated with various personnel with regard to their respective budget preparation and financial performance.• Assisted in the annual budgeting process by working with various staff to compile financial data and compose budget documents for presentation to upper management. Reduced time spent on annual budgeting process through implementation of more efficient data accumulation using the corporate network and linkages created with Microsoft Word and Excel.• Prepared various corporate tax returns (federal, state, Illinois and Chicago Sales and Use Tax, Chicago Lease Transaction Tax).• Managed various databases in Excel and Access for the purpose of accumulating historical data as well as the creation of various management and clientele reports.• Created various ad-hoc reports as dictated by the Controller.• Reconciled various balance sheet and bank accounts.

Jun 2005 - Mar 2006

Financial Analyst

Greater Chicago Area

Mar 1998 - Jun 2005
Team & coworkers

Colleagues at Cboe Global Markets

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1 education record

Brian Killian education

FAQ

Frequently asked questions about Brian Killian

Quick answers generated from the profile data available on this page.

What company does Brian Killian work for?

Brian Killian works for Cboe Global Markets.

What is Brian Killian's role at Cboe Global Markets?

Brian Killian is listed as Director, Financial Systems at CBOE at Cboe Global Markets.

What is Brian Killian's email address?

AeroLeads has found 2 work email signals at @cboe.com for Brian Killian at Cboe Global Markets.

What is Brian Killian's phone number?

AeroLeads has found 4 phone signal(s) with area code 312 for Brian Killian at Cboe Global Markets.

Where is Brian Killian based?

Brian Killian is based in Greater Chicago Area, United States while working with Cboe Global Markets.

What companies has Brian Killian worked for?

Brian Killian has worked for Cboe Global Markets, Cboe, Cboe Stock Exchange, Llc, and Chicago Cubs.

Who are Brian Killian's colleagues at Cboe Global Markets?

Brian Killian's colleagues at Cboe Global Markets include Richard Eastridge, Punom Nath, Sarah Mcdowell, Samuel Delucia-Green, and Scott Speer.

How can I contact Brian Killian?

You can use AeroLeads to view verified contact signals for Brian Killian at Cboe Global Markets, including work email, phone, and LinkedIn data when available.

What schools did Brian Killian attend?

Brian Killian holds Bachelor'S Degree, Accounting from University Of Illinois Chicago.

What skills is Brian Killian known for?

Brian Killian is listed with skills including Management, Financial Analysis, Microsoft Excel, Microsoft Office, Microsoft Great Plains, Database Design, Internal Controls, and Process Efficiency.

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