Melanie McSally, Boston born and raised, has become one of the country’s leading authorities on streamlining businesses to maximize profits. She graduated top of her class in engineering school and in her Master of Engineering Management program and holds a number of certifications, including a Lean 6-Sigma Black Belt. Last summer, Melanie quit her job, sold her ½ million-dollar home, donated most of her things to charity and created her own competition for creating her own business.