Sharon Perkins, RN, has been a registered nurse, mostly in maternal-child health, for 30 years, a mother to five children for much longer, and a grandmother of three for the 14 best years of her life. Stefan Korn is a father and New Zealand-based Internet entrepreneur. Scott Lancaster looked after his daughter full-time for the first two years of her life and experienced being a stay-at-home dad (SAHD).