Warren is the National Managing Partner Quality and Risk for Advisory Services and the Global Co-Leader for Business Risk Services. He has over 25 years of experience working with multi-national, entrepreneurial, and high-growth public companies, including boards of directors and audit committees. Warren brings experience to the business risk consulting and internal audit services areas from both the public accounting firm and industry perspectives. He leads many Sarbanes-Oxley consulting, internal audit services including Quality Assurance Review projects for a wide-array of publicly traded and private businesses with international operations. He has worked extensively with international internal audit, Sarbanes-Oxley and business consulting assignments in Europe, Russia, China, India, Southeast Asia, Central and South America and Canada. He has lectured and is published on data analytics, governance, risk and compliance and is quoted extensively.
Warren began his career with Arthur Andersen in the external audit practice and later in the internal audit services practice. Later, he joined DEKALB Genetics Corporation, a multi-national public company, as the Vice President of Internal Audit and Worldwide Consulting. Subsequent to DEKALB, Warren was a Managing Director at American Express Tax and Business Services and a Partner in the related attest entity of Altschuler, Melvoin & Glasser LLP (now part of McGladrey) and worked in the attest and consulting areas.