Todd Christopher Headrick, Ph.D died October 20, 2021 in Carbondale, IL. He was born February 4,1960 in Ann Arbor, MI. The son of Sally and Don Proctor and Robert F. Headrick. Todd Christopher graduated from Chelsea High School in 1978. Both his Bachelor of Science and Master of Arts were completed at Eastern Michigan University then earned his Ph.D. from Wayne State University in Statistics and Measurement.
In 1999, he furthered his career in academia at Southern Illinois University (SIU) in Carbondale, Illinois, where he taught in the Department of Counseling, Quantitative Methods and Special Education as well as the Department of Psychology. Dr. Headrick was promoted to associate professor in 2004 and full professor in 2011. He also held an administrative role as Associate Dean of Research and Statistical Analysis and Department Chair of Counseling, Quantitative Methods and Special Education, and was the recipient of Provost Facility Fellow in 2017.
He applied his expertise in mathematical statistics and statistical computing methodology. Dr. Headrick’s resume includes a plethora of published work. To name a few pieces, he published a book titled Statistical Simulation: Power Method Polynomials and Other Transformations, which was listed in the top twenty of the library journal for best sellers in Mathematics in 2010, and has published over 94 articles in various journals between 1999 and 2016. In recognition of his impressive body of work, Dr. Headrick was awarded the Outstanding Scholar Award from SIU College of Education and Human Services in 2008. In January 2020, Todd Christopher retired from SIU but continued his pursuit of knowledge where he obtained a Master of Legal Studies degree from Arizona State University Law School just this summer.
He is survived by his parents, Don and Sally Proctor of Chelsea; his sisters, Lisa (James) Townsend and Kristi (nephew Evan); his brother, Dale (Linda); his other nephews and nieces, along with Ikseon Suh, his former spouse and love of his life. He was preceded in death by his brother, Thomas, his grandparents, and father, Robert.
Per Todd’s request, a private funeral Mass and burial will take place. Arrangements by Cole Funeral Chapel, Chelsea.
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