MissouriCRE St. Louis’ S.M. Wilson & Co. names new director of estimating Staff Writer April 4, 2017 Share on Facebook Share on Twitter Share on LinkedIn Share via email Debra Sheahan has been promoted to director of estimating at St. Louis-based S.M. Wilson & Co. Sheahan was previously a senior estimator at S.M. Wilson. She has 40 years of construction industry experience.