Leadership Team
Cleaire has assembled a group of industry experts with extensive knowledge and experience in the field of retrofit emission control technology. We are able to offer unparalleled advice and support for any emission problem. To learn more about the members of our Leadership Team you can click on each name provided below:
- Gale Plummer - Chief Executive Officer
- Bradley L. Edgar, Ph.D. - President and CTO
- Marc Rumminger, Ph.D. - Director of Science & Policy
- Michael Streichsbier, Ph.D. - Director of Product Development
- Tom Swenson - Director of Business Development
- Kevin Shanahan - Principal Owner
Gale Plummer - Chief Executive Officer
Gale Plummer joined Cleaire Advanced Emission Controls in 2008 as Chief Executive Officer. In this role, Gale is responsible for the Cleaire’s overall operations including manufacturing, dealer administration, marketing, and product support. Gale will also be responsible for Cleaire's product line expansion and new market development in the both on-road and off-road diesel retrofit markets.
Most recently, Gale served as Executive Vice-President and General Manager of Cummins West, Inc. based in San Leandro, CA. In this role, Gale had responsibility for the Cummins and Komatsu business units, as well as the Emissions Repower and Retrofit Group which provided emissions compliance solutions for a broad range of customers. Prior to joining Cummins West and Cleaire, Gale accumulated over 25 years of experience in the heavy equipment and engine distribution business, working with Caterpillar dealers in Kentucky, Virginia and Arizona.
Gale has a Bachelor of Science degree from the University of Kentucky School of Business.
Bradley L. Edgar - President and CTO
Dr. Brad
Edgar is the President and Chief Technology Officer of Cleaire Advanced Emission Controls. Formed in 2001, Cleaire is a California based company focused on the development, manufacture, and deployment of products to reduce NOx and particulate emissions from diesel engines. The company specializes in retrofit technologies for the in-use population of diesel engines.
Dr. Edgar has spent his career working with engines and emissions. He holds a Ph.D. in Mechanical Engineering from the University of California, Berkeley and is the author of numerous papers and presentations in his area of expertise.
Dr. Edgar is the inventor or co-inventor of more than 10 patents and has received a number of awards for his work. Dr. Edgar, his wife Ankie, and their two children live in Oakland, California.
Marc Rumminger - Director of Science and Policy
Marc
Rumminger, Ph.D. is the Director of Science and Policy at Cleaire.
Dr. Rumminger received his undergraduate degree in Mechanical Engineering
from the University of Illinois, and his M.S. and Ph.D. in Mechanical
Engineering from the University of California, Berkeley. He has served
prestigious post-doctoral research fellowships in the field of combustion
at the National Institute of Standards and Technology in Gaithersburg,
MD, and at Sandia National Laboratories in Livermore, California.
Michael Streichsbier - Director of Product Development
Michael
Streichsbier, Ph.D. is the Director of Product Development at
Cleaire. Dr. Streichsbier is a native of Germany. He received is B.S.,
M.S, and Ph.D. degrees in Mechanical Engineering at the University
of California, Berkeley. He has spent his career working on state of
the art emission control technologies.
Tom Swenson - Director of Business Development
Tom
Swenson has worked with Cleaire as Director of Business Developement since 2003. In this role, Swenson is responsible for supporting national sales through Cleaire’s distributor network, new market development and working with governmental agencies, such as the California Air Resources Board, responsible for reviewing and approving Cleaire products. Swenson interfaces directly with regional distributors and government regulators. Swenson is also responsible for Cleaire’s marketing communications.
Before joining Cleaire, Swenson spent ten years developing and implementing nationally recognized market-based vehicle and equipment emission reduction incentive programs for the Sacramento Metropolitan Air Quality Management District (SMAQMD). Two programs Swenson managed as part of the Mobile Source Division at SMAQMD were the Heavy-Duty Low-Emission Vehicle Incentive Program and the Sacramento Emergency Clean Air and Transportation Program (SECAT). From 1991 to 1993, Swenson worked for EA Engineering, Science and Technology providing technical support to the California Energy Commission’s school bus demonstration program.
Swenson received a Bachelor of Science degree in Mechanical Engineering from California State University, Sacramento, and is a registered Professional Engineer in the state of California.
A native Californian, Swenson grew up in the Bay Area and now lives with his wife Susan and son Blake in Sacramento. Swenson is an avid fly fisherman and enjoys home improvement projects.
Kevin Shanahan - Principal Owner
Kevin
Shanahan is the Principal Owner of Cleaire. Shanahan is also the President of Cummins
West, Inc., the Cummins distributor for Northern/Central California and Hawaii.
Under Shanahan’s leadership, Cleaire has developed a number of products that dramatically reduce diesel engine emissions. Over the past nine years Cleaire has experienced substantial growth and Shanahan has helped direct the strategic direction of the company. Shanahan is a past member of the California Air Resources Board (CARB) Carl Moyer Program Advisory Board and a past member of CARB's International Retrofit Committee.
