After earning an undergraduate degree in accounting, Professor Coyle took a position as a staff accountant for Price Waterhouse. While there, he earned his CPA, was promoted to senior, and did a six-month tour of duty in Saudi Arabia. Professor Coyle later left Price Waterhouse to obtain his M.B.A. While at Cornell, he did some teaching and discovered that instead of getting rich on Wall Street, he wanted to become a professor.

Professor Coyle came to Babson in 1992, and received tenure in May 1999. He has taught in the undergraduate, graduate, and executive education programs at Babson. Professor Coyle teaches Financial Accounting and Auditing in the Undergraduate Program, International Accounting in the MSA Program and Financial Accounting in the MBA Program. Professor Coyle's research interests are in Russia and the former Soviet Union. He has published numerous cases, book chapters and articles about the business environment in Russia. He has traveled to Russia and the CIS, including Siberia (by choice), Ukraine, and Kazakhstan, more than 70 times since his first trip in January 1993. Annually Professor Coyle leads a group of both Babson MBA students and undergraduate students to Russia. Since January 1993, Professor Coyle has led 27 groups of students and consisting of over 600 students. He is a member of the Russian-American Chamber of Commerce and a CPA in the Commonwealth of Massachusetts.​