Our People - Sheldon AARON PREWITT, CPA  Aaron Prewitt is a Manager in the Sheldon, Iowa office of Williams & Company, P.C. He joined the firm in May 2006 and was promoted to Manager in January 2008. Aaron’s responsibilities include income tax preparation and accounting services for farmers, individuals, and small businesses.   Aaron is a graduate of the University of Northern Iowa in Cedar Falls, earning his Bachelor of Arts Degree in 1996.   Professional affiliations include active membership in the American Institute for Certified Public Accountants, the Iowa Society of Certified Public Accountants, and a Notary Public in the State of Iowa. Aaron is currently active with the Sheldon Noon Kiwanis Club and on the Board of Directors for Children’s World Daycare. Back to Our People