Mark Ribas Mark Ribas graduated from Fairmont State College in 1972 with a Bachelor of Science Degree in Accounting. He was employed by the IRS for 38 years as an Internal Revenue Agent. As a Revenue Agent, Mark employed his skills in accounting to plan and conduct income tax examinations. During the last ten years of his employment with the IRS he was assigned to the Large Business and International Division, where he conducted examinations of large corporations and partnership tax returns. Mark is a practicing CPA located in Bridgeport, WV. In addition to income tax preparation, he provides consulting services for tax professionals and businesses located throughout the Northeastern United States and has served as an Expert Witness on both civil and tax related matters. He has also served as an adjunct professor of accounting for Fairmont State University for several years, as well as having presented federal income tax topics for Virginia Tech, Texas A&M and West Virginia University. Mark currently is the President and CEO of Pennsylvania Tax Institutes, Inc. (PTI, Inc.) which delivers group-live and online federal income tax seminars throughout the states of Pennsylvania, New Jersey, Maryland, and Delaware. PTI is a member of the Land Grant University Tax Education Foundation. He is also the President and owner of PennTax, Inc., which delivers specialized federal income tax seminars to CPA’s, Enrolled Agents, Attorneys, and other tax professionals.