Diane Loviglio, co-founder and chief executive of Boon and Gable, a personal stylist startup in San Francisco, makes the same six-egg breakfast omelet for her family every day—a routine that eliminates one decision from her packed schedule and saves her a few precious minutes.
Such small tricks help Ms. Loviglio manage the dueling rigors of being a mother to a four-year-old and building a new company. Launching a new business can be all-consuming for any entrepreneur, but the challenges are often magnified for women starting...