A high-ranking official in the Ottumwa School District is being linked with financial fraud at his former job.  An audit has found that the Mason City Community School District shows that more than $2 million was misused by several administrators over an eight year period.  John Berg, the Ottumwa Schools chief financial officer, was an accountant for Mason City Schools starting in 2012 and then was appointed director of finance in 2015.  Berg took his current job in Ottumwa in 2017.  Ottumwa Superintendent Nicole Kooiker issued a statement Wednesday saying the School District “is confident that Mr. Berg did not engage in any unlawful or dishonest activity while employed in Mason City and that he is serving the Ottumwa Community School District very well.”