Dennis Helsel (PhD in Environmental Science and Engineering, Virginia Tech) has over 40 years experience in applying statistical methods to environmental sciences. He has authored articles in numerous journals
, including papers on handling nondetect data such as “More Than Obvious” (ES&T 2005) and "Much Ado About Next to Nothing" (Ann. Occ. Hygiene, 2010). Dr. Helsel has authored Statistics for Censored Environmental Data using Minitab and R (Wiley, 2012), the optional textbook for this course. Dr. Helsel is the 2018 recipient of the Lifetime Acheivement Award from the California Groundwater Resources Association, and a 2003 recipient of the Distinguished Service Award from the American Statistical Association's section on Statistics and the Environment.