Simmons is president and CEO of SWACHA, one of the largest regional payments associations in the country. A frequent invited speaker and recognized expert on payments system issues, he is a member of the board of directors of the National Automated Clearing House Association, the immediate past chair and a current member of NACHA's Government Relations Committee, past chair of NACHA's Electronic Check Council, past co-chair of NACHA's Risk Management Advisory Group and the immediate past chair of the Payments Executives Leadership Forum. He was also a founding member of the board of directors of the Secure Remote Payment Council. In addition to his service at SWACHA, Simmons has over 20 years experience as the senior operations officer of several Dallas area banks. He holds a bachelor's degree in business administration from Oklahoma State University.