Karen Wytmans After working for over two decades as a research and development engineer and product development manager in the high-tech industry, Karen made a leap of faith to leave it all behind and start a new career with a clean slate. She now draws on that expertise to write and teach. Karen enjoys sharing her love of engineering and finance with her readers and high school engineering students. She is a certified PLTW engineering teacher and robotics coach, and has written about personal finance for Real Simple, Better Homes and Gardens, and Parents. Highlights: Research and Development Engineer and Product Development Manager Project Lead the Way Certified Engineering Teacher Fellow Encorps STEM Teachers Program Lead Teacher with Strategic Energy Innovations MBA with an emphasis in finance from the University of San Diego About Real Simple Real Simple, a Dotdash Meredith Brand, is an award-winning, trusted online resource for for smart, authentic solutions to simplify your life. We reach 11 million readers a month. Our content is written by experienced journalists and fact-checked for accuracy. Learn more about us and our editorial guidelines.