Ms.Stefoni graduated with a Master’s degree in Mechanical Engineering in Europe in 1991  and attended Portland State University in Portland, Oregon in 2009 for post-bac applied mathematics. She has two sons attending UTSA for a degree in Computer Science and a daughter who is starting her freshman year in high school. She enjoys hiking in the Texas Hill Country and gazing at horses in the pasture. She has a passion for helping and interacting with children and making math as enjoyable as possible.