Complex sentence: He has also been a senior policy and financial analyst for the Michigan Department of Treasury and a financial manager at Merrill Lynch, and has served on arbitration panels for the National Association of Securities Dealers and the New York Stock Exchange.
Split into simpler sentences: He has also served as a senior policy and financial analyst for the Michigan Department of Treasury and was a financial manager at Merrill Lynch. He also has served on arbitration panels for the National Association of Securities Dealers and the New York Stock Exchange.