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In observance of the 2024 holiday season, Sage offices will be closed Monday December 23rd through Wednesday January 1st. Normal operations, including shipping for orders placed during the closure, will resume on Thursday January 2nd. For technical support during this time, please visit our technical support page for assistance options. 

We wish you a wonderful holiday season. Thank you. 

David C. Wiley Texas State University, San Marcos, USA

David C. Wiley, PhD, MCHES, is a professor of health education and health education graduate coordinator at Texas State University in San Marcos, Texas. He is a lifelong health educator who has focused his professional career on addressing health issues of adolescents. He was the lead author on comprehensive studies on the status of sex education in Texas (Just Say Don’t kNOw: The Status of Sex Education in Texas Public Schools) and South Carolina public schools (A Sterling Opportunity: 25 Years After the Comprehensive Health Education Act), respectively.

Dr. Wiley is the past-president of ASHA and TSHA. He currently serves on the board of directors for CommuniCare, Inc. of San Antonio, Texas, a Federally Qualified Health Center, and in 2008 founded the Texas Campaign to Prevent Teen Pregnancy. The Texas Campaign is the only organization in Texas that addresses teen pregnancy prevention at a statewide level. He is also a former school board member for the Hays Consolidated Independent School District in Kyle, Texas.