Mechanical engineer Shannon Miller is the CEO and co-founder of Mainspring Energy, which aims to increase grid reliability and resilience while accelerating the transition to clean fuels. 

She leads the design, manufacture, and commercialization of the Mainspring Linear Generator, whose fuel-agnostic design enables it to adjust dynamically for varying fuel qualities and types, including biogas, green ammonia, and green hydrogen. 

In today’s Tactical Tuesday, Nico Johnson explores this remarkable woman’s background and motivations — and shares her practical advice on company culture, seizing opportunities and building successful climate tech careers and businesses. Her career journey is worthy of reflection, and It was a joy to get this intelligent introvert to open up a bit about her winding path to entrepreneurship in cleantech.