Isaac Toussie

Senior Associate
  • Industry and Heavy Transport

Isaac is a former Senior Associate who worked in RMI’s Sustainable Aviation practice.


Isaac joined RMI after completing an MBA with a concentration in Sustainable Global Enterprise at Cornell University.

Prior to business school, Isaac spent three years as a research analyst with The Brattle Group, an economic consulting firm. He gained expertise in performing econometric and statistical modeling to support analyses used in consulting services for corporate, government, and NGO clients; expert witness testimony; and thought leadership. His work covered a wide range of industries and practice areas including: renewable energy, agricultural and resource economics, electric utility energy efficiency and demand response programs, and environmental and high-tech intellectual property damages assessment. Isaac’s experience also includes serving as an internal consultant with The Nature Conservancy’s Conservation Investments Department, where he analyzed the business operations’ challenges and finance barriers facing sustainable fisheries on the West Coast.


MBA with distinction, Cornell University – Johnson Graduate School of Management

BA, magna cum laude, Economics, University of Rochester

Take Five Scholarship to study Ecology, Environmental Science, and Sustainability, 2010

Member of Omicron Delta Epsilon – International Honor Society in Economics, 2008


New York City


“Every day I work towards revolutionizing the status quo in business in order to tackle the world’s greatest energy and environmental sustainability challenges.”

Authored Works
Outlet Blog Post

Cracking the “Chicken & Egg” Problem to Scale Sustainable Aviation Fuel

If you could choose between two functionally identical fuels to power your airplane, except one produces 60–80 percent less carbon emissions on a life-cycle basis, 100 percent less sulfur emissions, and 90 percent less particulate matter, while also supporting local economies, the better choice should be obvious, right? Sustainable aviation…