OUR FIRM Vowells & Schaaf, LLP is committed to your success. We make it our business to know your business well enough to improve your tax position, capital position, business structure and benefits packages, acquisition potential, and much more. We earn our fees by adding value to your company and to your asset base. We have learned a great deal since we began in this business, and we are ready to apply this knowledge to enhance your company's growth and success. Together we can conquer all of the intricacies of doing business in today's fast-paced economy. We are looking forward to working with you.   partners staff careers contact us Partners Mark A. Aiton, CPA Mark brings a background in both public accounting and corporate financial management to our clients’ needs. By working on both sides of the industry, he has gained a strong understanding of the challenges business owners and managers face, as well as the most effective ways to address those challenges. He worked in public accounting for eight years before becoming a treasurer and chief financial officer. He joined Vowells & Schaaf in 1999 and became a partner in January 2001. Mark received his B.S. in Accounting from Purdue in 1985, and is a member of the Indiana CPA Society. Rosanne F. Roth, CPA Rosanne has worked with the health care industry for over 15 years, providing management consulting to physician and dental groups, preparing practice surveys, tax planning and assistance with shareholder buy-ins and buy-outs. Before she entered public accounting, Rosanne worked in human resources for General Dynamics Corporation. She received a BA in Business Administration from Fontbonne College in St. Louis, and earned her CPA certification in 1991. Rosanne has worked in public accounting since 1986 and became a partner at Vowells & Schaaf in 2001. She is a member of the Indiana CPA Society.