Fleet Energy Managers, LLC

Your source for managed petroleum supply

Andrew Greenberg- Founder & President




Andrew Greenberg was co-founder of Protec Fuel Management. From 1999 to 2018, he headed fuel management and marketing of diesel, gasoline, and E85 to convenience store chains, end users and municipalities. In addition, Mr. Greenberg’s responsibilities also included trading and marketing of refined products, natural gas and ethanol. Mr Greenberg has 36 years in the energy industry.

In December, 2018, he sold his controlling interest in Protec and in January 2019, formed Fleet Energy Managers, LLC to provide fuel management, supply and petroleum construction services to commercial, municipal and marine fleets.

Lance Macmaster- Vice President & Treasurer


Lance Macmaster brings over 20 years of treasury and risk management experience, including Fortune 500 and non-profit backgrounds. For the past 5 years, Lance provided technical treasury support to Walmart Stores, a Fortune 1 company.

Lance has extensive experience with energy cost risk mitigation  at previous companies.  Lance joined Fleet Energy Managers in 2019 and oversees treasury activities, as well as working with customers throughout the Southern US. 

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