Charles Middleton is an international tax lawyer in West Palm Beach, Florida with a practice focused on whistleblower advocacy and startups. Charlie led tax teams at GE, Caterpillar, Walmart and Oxbow (a Koch brother company) for 20 years. At Walmart, Cat Financial and Oxbow, Charlie was responsible for all tax planning globally. Charlie was a regular speaker at national tax conferences until he turned his focus to whistleblowing. Charlie is a Chartered Financial Analyst (CFA) charter holder. He attended Alabama School of Law and received an LLM in tax law from New York University.
Founded in 2010, CCI is the web’s premier global independent news source for compliance, ethics, risk and information security.
Got a news tip? Get in touch. Want a weekly round-up in your inbox? Sign up for free. No subscription fees, no paywalls.
© 2026 Corporate Compliance Insights