Brennan Warren
About Brennan Warren
Brennan Warren is the Managing Director at Protiviti in the Greater Chicago Area, with over 23 years of experience in financial services, internal audit, and compliance.
Managing Director at Protiviti
Brennan Warren has been serving as the Managing Director at Protiviti in the Greater Chicago Area since 2017. In this role, he leads the Chicago Financial Services Industry Internal Audit practice, focusing on building trusted relationships with C-level executives and providing superior client service. Brennan also champions and leads product solutions, overseeing large consulting engagements from project initiation through deployment, and presenting results to senior executives.
Previous Positions at Protiviti
Before becoming the Managing Director, Brennan Warren held multiple key positions at Protiviti. This includes serving as Director from 2015 to 2016, and as Associate Director in 2014 for 9 months in the Greater Chicago Area. In these roles, Brennan played a pivotal role in various aspects of consultancy, focusing on delivering key insights and strategies to enhance internal audit processes.
Experience at CNA Insurance
Brennan Warren's tenure at CNA Insurance included significant positions such as Financial Analysis Director from 2011 to 2014, and Director of Internal Audit from 2009 to 2011. During his time at CNA, Brennan was instrumental in enhancing the company’s financial analysis capabilities and improving internal audit functions, focusing on internal controls compliance.
Early Career at EY
Brennan Warren spent a substantial part of his early career at EY, working from 1999 to 2009. He served as Staff - Manager in the Chicago office for 8 years and later as Senior Manager - Advisory Services for 2 years. His work at EY was heavily focused on external audit, internal audit, and internal controls compliance, contributing to his expertise in Sarbanes-Oxley (SOX) compliance.
Education and Expertise
Brennan Warren holds a Bachelor of Science degree in Accountancy from Miami University, where he studied from 1995 to 1999. With over 23 years of combined experience in financial services and consulting, Brennan leverages his deep expertise to lead and execute large-scale consulting engagements. His background in Big 4 accounting firms has provided him with substantial experience in auditing and financial analysis.