Meet our Keynote Speakers:


Alexander Barton, Director of Accreditation Development, NAFA

Alexander Barton returned to NAFA in 2015 to focus on the Sustainable Fleet Accreditation Program. Before that, he was the President of Green Transportation Solutions, a green fleet consulting agency committed to the use of environmentally safe and fuel-efficient transportation options. In his past roles at NAFA he worked in business development and helped NAFA launch the Green Zone pavilion, Green Fleet Ride & Drive and the Green Fleet Manager of the year award. He graduated from UW-Madison, where he was on the Dean’s List, played football and completed two years of Reserve Officer Training Corps. Mr. Barton is an internationally published writer with Harley- Davidson’s Enthusiast and CSANews magazine and he is also a member of the Sierra Club, Ecological Society of America and Alliance for the Great Lakes.

Jon Ells, Director of Fleet SustainabilitY, City of New York

Jonathan Ells is the Director of Fleet Sustainability at the Department of Citywide Administrative Services (DCAS). Jonathan works to implement Mayor de Blasio’s Clean Fleet Plan, announced in December 2015, to reduce emissions from the municipal fleet 50% by 2025 and 80% by 2035. Jonathan has piloted higher blends of biodiesel, increased the number of electric vehicles and improved the vehicle charging network, including introducing solar charging. NYC operates 1,030 EVs and 400 chargers, the largest network in the state. Jonathan also oversees the city’s car share efforts, supervises the auction of 3,500 city vehicles annually, and serves as Fleet’s liaison to NYC Emergency Management.

Alycia Gilde, Northeast Regional Director, CALSTART

Alycia Gilde is the Northeast Regional Director at CALSTART and is responsible for managing the organization’s role on the development and expansion of clean transportation programs and policies in the northeast. Ms. Gilde currently oversees the New York Truck – Voucher Incentive Program (NYT-VIP), a $19 million incentive program to accelerate the adoption of alternative fuel vehicles and emission control technologies in the state of New York. Ms. Gilde is also the Chair of the Northeast Diesel Collaborative Strategic Planning Committee, a program led by U.S. EPA Regions 1 and 2 and the Northeast States for Coordinated Air Use Management (NESCAUM). In this capacity, Ms. Gilde is responsible for identifying critical regional air quality and transportation priorities, engaging multi-sector stakeholders, and promoting program opportunities to improve regional air quality in collaboration with the maritime, rail, construction and trucking industries.

Trev Hall, Southeast Regional Manager, U.S. DOE Clean Cities Program

Trev Hall is the point of contact for Clean Cities’ coalitions in Alabama, Florida, Georgia, Mississippi, North Carolina,South Carolina, and Tennessee. His responsibilities include facilitating the efforts of the Clean Cities coalitions to increase the use of alternative fuels and vehicles through the development of public-private partnerships.

Along with traditional project management duties, Hall facilitates technology deployment strategies, evaluates proper alternative fuel technologies, determines resource availability, provides technical assistance, contributes areas of expertise, and supports transportation market transformation activities.

Tom Johnson, 100 Best Fleets

Tom C. Johnson was employed by the largest fleet management company in the world for 17 years. His job is to analyze fleets- 3500 of them in the past 30 years. His first book on team-building has sold over 25,000 copies and was customized by Sears-Roebuck for their Corporate University. His second book is on the 7 Qualities of the 100 Best Fleets in North America. His articles on best business practices are seen monthly in different Fleet publications.

Tom started the Government Fleet Manager of the Year and the 100 Best Fleets in North America awards. In addition to the Government Green Fleet award, he facilitates fleet roundtable discussions monthly around the country to find solutions to common problems.

Keith Leech Sr., Chief, Fleet Division and Parking Enterprise, County of Sacramento

Keith Leech Sr. currently leads Sacramento County’s Fleet Division and Parking Enterprise after retiring in January, 2015 as the City of Sacramento’s Fleet Manager. Both the City and County of Sacramento fleets are recognized as trailblazers in public fleet sustainability primarily because of their migration to renewable natural gas and renewable diesel that achieved dramatic reductions in fossil petroleum consumption and carbon emissions.

The City of Sacramento’s fleet was recognized as both the #1 Fleet and #1 Green Fleet by 100 Best Fleets and Sacramento County’s fleet was recognized as the #7 Leading Fleet in 2017 by Government Fleet Magazine and the #7 Green Fleet in 2016 by 100 Best Fleets. Keith was inducted into the Public Fleet Hall of Fame in 2017 by Government Fleet Magazine and APWA and received NAFA’s 2014 Fleet Excellence Awards for Excellence in Public Fleet Sustainability and Excellence in Fleet Leadership.

Keith currently serves as Chairman of Northern California Municipal Equipment Maintenance Association and NAFA’s Government Affairs Committee. He also serves as President of the Sacramento Clean Cities Coalition.

Dr Eric. Warren, VP of Competition, Richard Childress Racing

Dr. Eric Warren earned his Ph.D in Aerospace Engineering from North Carolina State University with help from NASA. In 1997, Dr. Warren’s career in motorsports began when he accepted an engineering role with NASCAR’s Kranefuss-Haas Racing. In 2002, he became the technical director at Evernham Motorsports, winning 12 Monster Energy NASCAR Cup Series (MENCS) races. He advanced to vice president of the organization and then accepted a similar role at Michael Waltrip Racing.

Dr. Warren then served as the chief aerodynamicist of USF1 and focusing his engineering efforts on designing a Formula 1 car for competition. Warren joined Richard Petty Motorsports (RPM) in 2010 as technical director, overseeing all technical and race engineering activities. While at RPM, he also served as the primary liaison with Roush Fenway Racing and Ford assisting in the advancement of vehicle dynamic simulation, aerodynamic development, and race engineering for the combined technical partnership of Ford, Roush Fenway Racing and RPM.

Dr. Warren joined Richard Childress Racing (RCR) in 2012 as director of competition and was named Vice President of Competition in 2016. During his first full season with RCR, he was instrumental in the team winning an overall total of nine races, the No. 29 Chevrolet team made the Chase for the Monster Energy NASCAR Cup and the No. 3 Camaro team earned the 2013 XFINITY Series championship. In 2014, Dr. Warren helped guide the No. 31 Chevrolet program to a berth in the Cup Series playoff system, where Ryan Newman ultimately finished second in the point standings during his first season at RCR. In total, his efforts have helped RCR visit Victory Lane a total of 23 times, including Newman’s MENCS win on March 19th at Phoenix Raceway.