26 10月 - 27 10月 2021
In-person: Memphis, Tennessee, US

Argus Vehicle Emissions and DEF Summit USA

Speakers and advisory board leaders 2021

Dannan Dou
Manager, Advanced Technology and Innovation, John Deere
Danan Dou received his doctoral degree of chemistry in 1992. He worked on emission control technologies for 11 years at Allied Signal Environmental Catalysts which later became a part of Delphi. In 2006, Danan joined John Deere Power Systems as the manager of aftertreatment technologies to develop product solutions for meeting Interim Tier IV and Final Tier IV emission sta...
Danan Dou received his doctoral degree of chemistry in 1992. He worked on emission control technologies for 11 years at Allied Signal Environmental Catalysts which later became a part of Delphi. In 2006, Danan joined John Deere Power Systems as the manager of aftertreatment technologies to develop product solutions for meeting Interim Tier IV and Final Tier IV emission standards. From 2011 to 2020, he served as the manager of Advanced Power Systems Engineering, leading development of engine and emission control technologies. Danan was been elected to be a SAE fellow in 2016 and a John Deere fellow in 2017. Since October 2020, Danan had a new assignment of leading powertrain technology development, innovation and technology roadmap to reduce green-house gas and criteria emissions as the manager of Advanced Technology and Innovation at John Deere Power Systems.
Rahul Mital
Technical Fellow, General Motors
Rahul Mital is currently responsible for diesel aftertreatment system architecture for all GM diesel vehicles globally. He has been working in the area of emissions for the last 24 years and has developed numerous innovative designs, tools and methods which have helped GM achieve the stringent emission targets in a cost-effective manner. Rahul has also DFSS Black Belt from...
Rahul Mital is currently responsible for diesel aftertreatment system architecture for all GM diesel vehicles globally. He has been working in the area of emissions for the last 24 years and has developed numerous innovative designs, tools and methods which have helped GM achieve the stringent emission targets in a cost-effective manner. Rahul has also DFSS Black Belt from Cummins as well as GM and has previously worked as an Engineer and Program Manager on energy conversion technology, Alkali Metal Thermal to Electric Conversion (AMTEC), for NASA, Air Force and DARPA.
Jim Timmer
Vice President, DEF Product Management, Mansfield Oil Company
Jim Timmer is the Vice President responsible for overseeing Mansfield’s DEF project line. Mansfield distributes over 70MM gallons of DEF from 80 supply points throughout North America, working closely with multiple suppliers. These partnerships enable knowledge sharing with those on the production side to forecast and adapt to market conditions.
Jim Timmer is the Vice President responsible for overseeing Mansfield’s DEF project line. Mansfield distributes over 70MM gallons of DEF from 80 supply points throughout North America, working closely with multiple suppliers. These partnerships enable knowledge sharing with those on the production side to forecast and adapt to market conditions.
William Robertson
Vehicle Program Specialist, California Air Resources Board
Bill Robertson serves as the California Air Resources Board’s Heavy Duty Technology advisor. Current responsibilities include advising CARB’s Low NOx and incentive programs. He has been with CARB for 14 years working on various emissions and toxicity projects relating heavy duty diesel and alternative fuel exhaust. He has also participated in developing test procedures and...
Bill Robertson serves as the California Air Resources Board’s Heavy Duty Technology advisor. Current responsibilities include advising CARB’s Low NOx and incentive programs. He has been with CARB for 14 years working on various emissions and toxicity projects relating heavy duty diesel and alternative fuel exhaust. He has also participated in developing test procedures and vehicle and engine testing facilities. His educational background includes a Ph.D. in physical chemistry from Yale University and a B.S. in chemistry from Andrews University.
Elizabeth John
Manager, Advanced Fuels and Vehicle Technologies Office, California Energy Commission
Elizabeth John is the Manager of the Advanced Fuels and Vehicle Technologies Office in the Fuels and Transportation Division of the California Energy Commission, where she oversees grant activities funded under the Clean Transportation Program for medium- and heavy-duty vehicles. Her Office’s responsibilities include: deploying zero-emission vehicle charging and refueling ...
Elizabeth John is the Manager of the Advanced Fuels and Vehicle Technologies Office in the Fuels and Transportation Division of the California Energy Commission, where she oversees grant activities funded under the Clean Transportation Program for medium- and heavy-duty vehicles. Her Office’s responsibilities include: deploying zero-emission vehicle charging and refueling infrastructure to support advanced freight and fleet technologies; building capacity of California companies to produce economically competitive low carbon fuels from waste-based and renewable feedstocks; and facilitating the replacement of the state’s oldest and dirtiest school buses with new, alternative-fueled school buses. Elizabeth holds a Bachelor of Arts degree in Political Science from the University of California, Davis, and a Master’s of Public Policy and Administration degree from California State University, Sacramento. where she oversees grant activities funded under the Clean Transportation Program for medium- and heavy-duty vehicles. Her Office’s responsibilities include: deploying zero-emission vehicle charging and refueling infrastructure to support advanced freight and fleet technologies; building capacity of California companies to produce economically competitive low carbon fuels from waste-based and renewable feedstocks; and facilitating the replacement of the state’s oldest and dirtiest school buses with new, alternative-fueled school buses. Elizabeth holds a Bachelor of Arts degree in Political Science from the University of California, Davis, and a Master’s of Public Policy and Administration degree from California State University, Sacramento.
Coralie Cooper
Deputy Director, NESCAUM
Coralie Cooper is Deputy Director of NESCAUM and as Deputy works with program staff to assist NESCAUM member states in developing strategies to reduce greenhouse gas (GHG) and criteria emissions from transportation and stationary sources. As Deputy, Coralie also contributes to managing the organization and improving operations. From 2001 to 2011, Coralie was Transportation...
Coralie Cooper is Deputy Director of NESCAUM and as Deputy works with program staff to assist NESCAUM member states in developing strategies to reduce greenhouse gas (GHG) and criteria emissions from transportation and stationary sources. As Deputy, Coralie also contributes to managing the organization and improving operations. From 2001 to 2011, Coralie was Transportation Program Manager at NESCAUM where she led NESCAUM’s work with states to reduce motor vehicle and nonroad criteria and GHG emissions. In addition to her roles at NESCAUM, Coralie worked at the U.S. Department of Transportation on the federal Phase 2 heavy-duty GHG and fuel economy regulation in addition to other initiatives with a variety of divisions within DOT. Coralie has a Masters in City Planning with a focus on environmental policy from the Massachusetts Institute of Technology and a B.A. from Boston University.
David Montgomery
Engineering Manager/Technical Steward – Natural Gas and Alternative Fuels – Engine Research, Caterpillar Inc.
Dr. David Montgomery has a combined role of engineering manager and technical steward in Caterpillar’s Energy & Transportation Technology group (formerly known as Engine Research). He leads a team focused on research and development of natural gas and alternative fueled power systems. Dave is also an adjunct professor of mechanical engineering at Colorado State University;...
Dr. David Montgomery has a combined role of engineering manager and technical steward in Caterpillar’s Energy & Transportation Technology group (formerly known as Engine Research). He leads a team focused on research and development of natural gas and alternative fueled power systems. Dave is also an adjunct professor of mechanical engineering at Colorado State University; teaching and managing joint Caterpillar/CSU research projects. Dave’s most recent previous corporate position was serving as Caterpillar’s primary Dual-Fuel Subject Matter Expert, consulting on combustion system R&D programs for natural gas powered off-highway equipment including mining, marine, and locomotive products. Previously Dave led research efforts on innovative SI gas engine technologies while managing the joint Caterpillar/US Department of Energy Advanced natural gas Reciprocating Engine Systems (ARES) program. Dave joined Caterpillar in May of 2006 after spending 6 years in R&D at Johnson/Evinrude/Ski-doo investigating efficiency improvement and emissions reduction in high power density 2-stroke engines. He earned his Masters and Ph.D. in Mechanical Engineering from the University of Wisconsin-Madison while conducting research in a Caterpillar sponsored diesel engine laboratory.
Alan Smith
Vice President - DEF, Brenntag
Alan is based in Charlotte, North Carolina, and has over 20 years’ experience in trucking, off-road and distribution at companies including Honeywell, GE and Gentech. He played a key role in the development of North American infrastructure for DEF supply and distribution. Alan attended Ohio University and the Kellogg Business School at Northwestern University. Brenntag is ...
Alan is based in Charlotte, North Carolina, and has over 20 years’ experience in trucking, off-road and distribution at companies including Honeywell, GE and Gentech. He played a key role in the development of North American infrastructure for DEF supply and distribution. Alan attended Ohio University and the Kellogg Business School at Northwestern University. Brenntag is the world’s largest distributor of DEF.
Tim Cheyne
SVP Fertilizers, Argus
Tim is Senior Vice President for the fertilizer sector at Argus. Tim worked a process manager at an ammonia/urea plant in South Africa before moving to the UK to join KBR (then M.W. Kellogg) as a process engineer in the ammonia technology team. More recently Tim has covered fertilizer and industrial nitrogen as a market analyst.
Tim is Senior Vice President for the fertilizer sector at Argus. Tim worked a process manager at an ammonia/urea plant in South Africa before moving to the UK to join KBR (then M.W. Kellogg) as a process engineer in the ammonia technology team. More recently Tim has covered fertilizer and industrial nitrogen as a market analyst.
Ben Sharpe
Senior Researcher and Canada Lead, International Council on Clean Transportation (ICCT)
Ben Sharpe is a Senior Researcher in the ICCT’s Heavy-Duty Vehicle Programme and also serves as Canada Lead for the organisation. He is currently conducting technical analyses to support ongoing policy development for reducing fuel consumption, greenhouse gas emissions and criteria pollutants from on-road vehicles. Previously Ben worked for Schlumberger and for the Califor...
Ben Sharpe is a Senior Researcher in the ICCT’s Heavy-Duty Vehicle Programme and also serves as Canada Lead for the organisation. He is currently conducting technical analyses to support ongoing policy development for reducing fuel consumption, greenhouse gas emissions and criteria pollutants from on-road vehicles. Previously Ben worked for Schlumberger and for the California Air Resources Board’s Emissions Inventory Group. He holds bachelor’s and master’s degrees in civil engineering from Stanford University and a PhD in civil engineering from the University of California.
Fabricio Cardoso
Senior Manager – Consulting, Argus
Fabricio has significant work experience in fuels and biofuels quality, engines and emissions standards. Fabricio has contributed to emissions consulting projects, including studies related to due diligence and project feasibility. He holds a Chemical Engineering degree, a MSc in Transport and Sustainable Development, and an MBA in Agribusiness. He is fluent in French, Spa...
Fabricio has significant work experience in fuels and biofuels quality, engines and emissions standards. Fabricio has contributed to emissions consulting projects, including studies related to due diligence and project feasibility. He holds a Chemical Engineering degree, a MSc in Transport and Sustainable Development, and an MBA in Agribusiness. He is fluent in French, Spanish and Portuguese.
Steve Tam
Vice President, ACT Research
After receiving his B.S. from Indiana University, Mr. Tam spent seven years in various accounting positions at two Fortune 500 companies before joining ACT Research in 2000. Mr. Tam has been involved in the commercial vehicle industry since 1993. Since being promoted to his current position in October 2008, he was appointed to the Board of Directors and became a Managing M...
After receiving his B.S. from Indiana University, Mr. Tam spent seven years in various accounting positions at two Fortune 500 companies before joining ACT Research in 2000. Mr. Tam has been involved in the commercial vehicle industry since 1993. Since being promoted to his current position in October 2008, he was appointed to the Board of Directors and became a Managing Member of ACT Research in September 2016. He is one of ACT’s two principal commercial vehicle market analysts. He also leads the used truck market efforts for ACT. Some of his other responsibilities include project and database management; and collection, analysis, and reporting of specialty data series. In addition to being frequently sought after as a guest speaker at industry events and giving presentations to private companies, you will often see him quoted in industry publications, newspapers and business periodicals.
Gus Block
Director of Corporate Development, Nuvera Fuels Cells
Gus is a founding member of Nuvera Fuel Cells, a company established in 2000 to provide hydrogen and fuel cell solutions for on-road and off-road vehicles. His focus at Nuvera is on developing fuel cell markets for medium and heavy-duty transport applications. Gus serves on the Governor’s Zero Emissions Vehicle Commission in Massachusetts, and is Chair of the Communication...
Gus is a founding member of Nuvera Fuel Cells, a company established in 2000 to provide hydrogen and fuel cell solutions for on-road and off-road vehicles. His focus at Nuvera is on developing fuel cell markets for medium and heavy-duty transport applications. Gus serves on the Governor’s Zero Emissions Vehicle Commission in Massachusetts, and is Chair of the Communications and Marketing Committee of the Fuel Cell and Hydrogen Energy Association. Gus earned a bachelor’s degree in mechanical engineering from The Cooper Union for the Advancement of Science and Art, where he was class valedictorian, as well as a bachelor’s degree in philosophy at Brandeis University. As a Fulbright Fellow in 1994─95, Gus built a wind-powered electrolyser in Sri Lanka for producing hydrogen, which was the start of his involvement in the fuel cell industry. Afterwards, he joined global research and development firm Arthur D. Little in Cambridge, Massachusetts, developing fuel processors for fuel cell applications.
Michael Geller
Deputy Director, Manufacturers of Emissions Controls Association
MECA's members include leading manufacturers of a variety of emission control equipment and efficiency technologies for all mobile sources that run on fuels from gasoline to electricity. Mike has 20 years’ experience in issues relating to air pollution and transportation policy, specialising in particulate matter from mobile sources. Previously, Mike spent seven years wi...
MECA's members include leading manufacturers of a variety of emission control equipment and efficiency technologies for all mobile sources that run on fuels from gasoline to electricity. Mike has 20 years’ experience in issues relating to air pollution and transportation policy, specialising in particulate matter from mobile sources. Previously, Mike spent seven years with EPA’s Office of Transportation and Air Quality. He has a PhD in Environmental Engineering from the University of Southern California.
Dan Kieffer
Director of emissions compliance, PACCAR Inc
As director of emissions compliance for PACCAR, Dan is responsible for all North American engine and vehicle emission-related regulatory development, certification and compliance work. During his 41-year career, he has worked in a variety of roles, including advanced product engineering, R&D, manufacturing, marketing and programme management. Dan also represents PACCAR in ...
As director of emissions compliance for PACCAR, Dan is responsible for all North American engine and vehicle emission-related regulatory development, certification and compliance work. During his 41-year career, he has worked in a variety of roles, including advanced product engineering, R&D, manufacturing, marketing and programme management. Dan also represents PACCAR in industry and government forums dealing with voluntary and regulatory programmes related to criteria pollutants, fuel efficiency and greenhouse gases that affect commercial vehicles and engines.
Lucien Robroek
Chief Executive Officer, Nuvera Fuel Cells
Lucien has held his current role since November 2018. Before this, he was vice president of big trucks for Hyster-Yale Group, Nuvera’s parent company, between 2015 and 2018. Lucien has held various leadership roles within other international companies, including on-road truck transport. He brings broad experience to his current role, from product development and manufactur...
Lucien has held his current role since November 2018. Before this, he was vice president of big trucks for Hyster-Yale Group, Nuvera’s parent company, between 2015 and 2018. Lucien has held various leadership roles within other international companies, including on-road truck transport. He brings broad experience to his current role, from product development and manufacturing to marketing and sales of high-end industrial products and services. Lucien holds MSc and PhD degrees in aerospace engineering from Delft University of Technology, the Netherlands.
Haden Gulsby
Business Development Manager of Oil Products, Argus
Haden Gulsby is Business Development Manager of Oil Products at Argus. Based in Houston, Haden is responsible for growing Argus' presence in the road fuels industry. She rejoined Argus in 2021 and is now working to expand the company’s downstream business across the US. Haden initially joined Argus in 2013, working as a Senior Reporter on the Argus Spot Ticker and US Produ...
Haden Gulsby is Business Development Manager of Oil Products at Argus. Based in Houston, Haden is responsible for growing Argus' presence in the road fuels industry. She rejoined Argus in 2021 and is now working to expand the company’s downstream business across the US. Haden initially joined Argus in 2013, working as a Senior Reporter on the Argus Spot Ticker and US Products report before leaving in 2018 to work as a wholesale fuel and DEF marketer for Saratoga Rack Marketing. Haden holds a bachelor’s degree in Agriculture from Louisiana State University.
Sophie Mason
Senior Analyst, Argus
Having worked at Argus for three years, Sophie is now a Senior Analyst within the Consulting team and is the editor of the Nitrogen Analytics portfolio. She is in charge of producing and overseeing the quarterly and monthly outlooks for urea and ammonia. Prior to this, Sophie was studying at the University of Sussex and graduated with a first class, integrated masters degr...
Having worked at Argus for three years, Sophie is now a Senior Analyst within the Consulting team and is the editor of the Nitrogen Analytics portfolio. She is in charge of producing and overseeing the quarterly and monthly outlooks for urea and ammonia. Prior to this, Sophie was studying at the University of Sussex and graduated with a first class, integrated masters degree in mathematics.
Kevin Leong
Deputy Director of Validation & Assessment, CALSTART
Kevin oversees CALSTART’s Data Validation and Assessment Team. He has been with CALSTART for five years and manages several medium- and heavy-duty truck and bus demonstrations, including the heavy-duty opposed piston engine demonstration in partnership with Achates Power and Southwest Research Institute. The primary goals of these demonstrations are to determine the commer...
Kevin oversees CALSTART’s Data Validation and Assessment Team. He has been with CALSTART for five years and manages several medium- and heavy-duty truck and bus demonstrations, including the heavy-duty opposed piston engine demonstration in partnership with Achates Power and Southwest Research Institute. The primary goals of these demonstrations are to determine the commercial readiness of advanced transportation technologies and to help accelerate the commercialisation of cleaner vehicles in the market. Before he joined CALSTART, Kevin worked at the Walt Disney Company for four years as an environmental engineer spearheading corporate sustainability and conservation programmes that were implemented throughout Disney Parks and Resorts. He has a bachelor’s degree in Mechanical Engineering and a masters in engineering management.
Geoff Bohlender
Director of DEF and S-CORE Solutions, PPC Lubricants
Geoff Bohlender is the Strategic Sourcing Manager for RelaDyne with a focus on DEF. In 2021 RelaDyne acquired PPC Lubricants where Geoff had been guiding the PPC Lubricant’s DEF strategy for the past 10 years and has been focused on developing programs to meet the needs of the customer and the market by developing customized solutions to enhance services and deliver value....
Geoff Bohlender is the Strategic Sourcing Manager for RelaDyne with a focus on DEF. In 2021 RelaDyne acquired PPC Lubricants where Geoff had been guiding the PPC Lubricant’s DEF strategy for the past 10 years and has been focused on developing programs to meet the needs of the customer and the market by developing customized solutions to enhance services and deliver value. Geoff will now be taking that knowledge and passion to help manage RelaDyne’s national DEF sourcing and sales efforts. Prior to joining RelaDyne in 2021 and PPC Lubricants in 2008, Geoff spent 13 years with BP/Castrol in various roles in both Marketing and Sales, but always focused on business with and through the Distribution channel. Geoff holds a BA from Johns Hopkins University with focus in Sociology and Economics. While at Johns Hopkins Geoff also played lacrosse and still actively coaches at a youth level today.