Charles spent his first five years with the “Big 4” accounting firm, PriceWaterhouseCoopers (PWC). He has more than 30 years’ experience in audit and business advisory services, involving compliance audits, cost recovery audits, and audits of internal control environments. Charles has served as Project Manager under the Federal Transit Administration (FTA)’s Financial Management Oversight (FMO) program, which involved internal control audits of financial management systems and reviews of transit agencies throughout the United States. Charles also provides business advisory services and directs the audits of various nonprofits, as well as the preparation of their 990 Information returns required by the IRS.