AeroLeads people directory · profile
William Brennan Email & Phone Number
Chief Administrative Officer
at
Apex Clearing Corporation
1 work email found
@apexclearing.com
4 phones found area 214
LinkedIn matched
✓ Verified May 2026
4 data sources
Profile completeness 100%
Current company
Role
Chief Administrative Officer
Location
Greater Chicago Area, United States, United States
Who is William Brennan? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
William Brennan is listed as Chief Administrative Officer at Apex Clearing Corporation, based in Greater Chicago Area, United States, United States. AeroLeads shows a work email signal at apexclearing.com, phone signal with area code 214, and a matched LinkedIn profile for William Brennan.
William Brennan previously worked as Chief Operating Officer & Chief Financial Officer at Apex Clearing Corporation and Chief Operating Officer at Prophecy Asset Management, L.P.. William Brennan holds Bachelor Of Science (B.S.), Accounting from University Of Illinois Urbana-Champaign.
Company email context
Email format at Apex Clearing Corporation
This section adds company-level context without repeating William Brennan's masked contact details.
{first_initial}{last}@apexclearing.com
86% confidence
AeroLeads found 1 current-domain work email signal for William Brennan. Compare company email patterns before reaching out.
Profile bio
About William Brennan
C-level financial services executive with broad management experience in the financial services industry. Successful in helping clients by empowering innovation. Leverage leadership, vision, and business acumen to build high performing business units with strong financial operations.
Listed skills include Hedge Funds, Accounting, Business Development, Treasury, and 6 others.
Current workplace
William Brennan's current company
Company context helps verify the profile and gives searchers a useful next step.
8 roles · 32 years
William Brennan work experience
A career timeline built from the work history available for this profile.
Chief Administrative Officer
Current
Sep 2019 - Present
Chief Operating Officer & Chief Financial Officer
Current
May 2016 - Present
Chief Operating Officer
Prophecy Asset Management, L.P.
Jul 2014 - Apr 2016
Managing Director
2008 - 2012
~4 yrs
Business Unit Cfo - Clearing Division
2004 - 2007
~3 yrs
Chief Financial Officer/Treasurer
2000 - 2004
~4 yrs
Senior Vice President & Treasurer Of Man Financial, Inc
1994 - 1999
~5 yrs
2 education records
William Brennan education
Bachelor Of Science (B.S.), Accounting
University Of Illinois Urbana-Champaign
Doctor Of Law (J.D.)
Iit - Chicago Kent College Of Law
FAQ
Frequently asked questions about William Brennan
Quick answers generated from the profile data available on this page.
What company does William Brennan work for?
William Brennan works for Apex Clearing Corporation.
What is William Brennan's role at Apex Clearing Corporation?
William Brennan is listed as Chief Administrative Officer at Apex Clearing Corporation.
What is William Brennan's email address?
AeroLeads has found 1 work email signal at @apexclearing.com for William Brennan at Apex Clearing Corporation.
What is William Brennan's phone number?
AeroLeads has found 4 phone signal(s) with area code 214 for William Brennan at Apex Clearing Corporation.
Where is William Brennan based?
William Brennan is based in Greater Chicago Area, United States, United States while working with Apex Clearing Corporation.
What companies has William Brennan worked for?
William Brennan has worked for Apex Clearing Corporation, Prophecy Asset Management, L.P., Goldman Sachs Execution And Clearing, and Ed&F Man.
How can I contact William Brennan?
You can use AeroLeads to view verified contact signals for William Brennan at Apex Clearing Corporation, including work email, phone, and LinkedIn data when available.
What schools did William Brennan attend?
William Brennan holds Bachelor Of Science (B.S.), Accounting from University Of Illinois Urbana-Champaign.
What skills is William Brennan known for?
William Brennan is listed with skills including Hedge Funds, Accounting, Business Development, Treasury, Business Strategy, Broker Dealer, Executive Financial Management, and Treasury Management.
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