Executive Team

Leadership with Extensive Racing, Aerodynamics R&D Experience

Ray Leto


As president of TotalSim US, Ray Leto brings more than 30 years of experience in race engineering, aerodynamics, simulation and management, and over 10,000 hours of wind tunnel and track testing.

In addition to overseeing the day-to-day operations of the business, Ray is a hands-on leader. He manages the 800+ in-house core HPC computer systems and works directly on finding solutions to clients’ problems in CFD, wind tunnel and on-track testing. Ray also supports customer installation of TotalSim software and solutions.

Ray has been PI or Co-PI on several funded projects from the Department of Energy, NSMC, and the Ohio Third Frontier. As a result of his extensive racing background, Ray has served in many different roles for different racing organizations including aerodynamicist, chief race engineer, technical director, team manager and general manager.

Ray is a member of Society of Automotive Engineers (SAE) International’s Motorsports Engineering and Aerodynamics Committees, holds a seat on the Advisory Board of UNC-Charlotte Motorsports and Automotive Research Center and is peer reviewer of published papers, just to name a few. Ray has also been a featured expert on the “Chats with the Experts” at SAE World Congress.

Ray graduated from Penn State in 1985 with a Bachelor of Science in Aerospace Engineering and began his career as a mechanic and engineer.

Naethan Eagles

Technical Director

Naethan Eagles brings 25 years of experience in successfully taking designs from concept, through CFD and wind tunnel testing, to implementation and verification on the actual vehicle. In his role as technical director, he offers TotalSim’s clients a rare combination of advanced modeling skills and racecar development.

Naethan ensures that all TotalSim projects are conducted with the latest and most appropriate methods. He also oversees the technical development direction for the company, while also remaining actively involved in day-to-day operations for clients in all industries.

Prior to joining TotalSim, Naethan launched the CFD Department for the BMW-Williams F1 Team. During his time there, he grew the size and scope of the department, placing CFD at the heart of all aero development. Naethan has also served in aerodynamics R&D roles at Advantage-CFD, Rolls-Royce, among others.

Naethan serves as a National Science Foundation panel reviewer and peer reviewer for SAE. Additionally, he sits as a member on several committees and task forces for SAE including the Automated Commercial Vehicle Systems Committee, Truck and Bus Aerodynamics and Fuel Economy Committee, and Road Vehicle Aerodynamics Forum Committee.

Naethan graduated in 1993 from City University London with an honors degree in Aeronautical Engineering.

Interested in having Ray or Naethan speak or consult with your R&D team?