Gary D. McKay, PhD (Tucson, Arizona) is the co-author of twelve books and programs, including How You Feel is Up To You, Raising Respectful Kids In a Rude World and Systematic Training for Effective Parenting (STEP), the world's leading parent education program. He is a retired psychologist and a diplomate in Adlerian Psychology (North American Society of Adlerian Psychology -- NASAP) who conducts workshops for his publications in North America and Europe.