Phil Klotzbach is a Senior Research Scientist in the Department of Atmospheric Science at Colorado State University. He received his Ph.D. in Atmospheric Science from CSU in 2007. Klotzbach has worked in the Department of Atmospheric Science since 2000 and was co-author on the Atlantic basin hurricane forecasts with Dr. William Gray through 2005. He became first author on the seasonal hurricane forecasts in 2006. Klotzbach developed the two-week forecasts currently being issued during the peak months of the hurricane season between August-October. He has authored over 100 articles in peer-reviewed journals such as Journal of Climate and Weather and Forecasting.

Klotzbach graduated from Bridgewater State College with a BS degree in Geography in 1999. After receiving his Masters degree from CSU in 2002, Klotzbach thru-hiked the Appalachian Trail from Georgia to Maine (2100+ miles). He has also climbed all 54 14,000 foot peaks in Colorado, and has completed nine marathons and six ultra-marathons.