Celebrating 30 Years of Pioneering Excellence in Bali, Indonesia

CONFERENCE THEME
Energizing Tomorrow: Pioneering Sustainable
Solutions in Fuels and Lubricants

F+L Week 2025 Speakers

Alex-Wang-OK

Alex Wang
Technology Development Manager, Driveline & Future Mobility, Lubrizol China

Alex, based in Shanghai, China, holds a degree from Shanghai Jiao Tong University. With over 28 years of experience in the lubricant and additive industries, Alex earned certification as a “Certified Machinery Lubrication Technician” by the International Council of Machinery Lubrication in 2006. Since joining Lubrizol in 2012, Alex has been developing e-driveline additive technologies for electric and hybrid vehicles. His expertise includes electric motor polymer material compatibility and hardware durability under specific operating conditions, while providing technical support to APAC customers.

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Bill O’Ryan
Senior Manager, EOLCS/DEF, American Petroleum Institute

Bill has over 30 years of experience in the transportation lubricants industry. Since joining the American Petroleum Institute (API) in 2022, he has managed the Engine Oil Licensing Certification System (EOLCS) and the Diesel Exhaust Fluid (DEF) Certification Program. Bill is also responsible for API’s Aftermarket Audit Program, testing engine oils and DEF samples from global markets to ensure conformance with standards.

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Charlotte Kehoe
Technology Manager (AsPac), bp Singapore

Charlotte has spent nearly two decades at bp, gaining expertise across refining, technical advocacy, and business development in Australia, Europe, and Singapore. In her current role, Charlotte drives technology innovation for Castrol while supporting sustainability initiatives. She also chairs the Asian Lubricants Industry Association Council and the Sustainability Subcommittee, promoting diversity and inclusion within her organization.

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Emmanuelle Faure
Global Product Line Manager, Chevron Oronite

Emmanuelle began her career at the French Institute of Petroleum and later transitioned to Chevron Oronite, where she has spent over 25 years. Emmanuelle has held various roles in product management, technical support, and sales. Since 2022, she has managed Chevron Oronite’s global product line for automotive lubricant additives, overseeing a team focused on viscosity modifiers and small-engine oils.

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Jorge Ji
Senior Manager, China Industrial and Fuels, Lubrizol China

Jorge is based in Shanghai, China, and has been with Lubrizol for over 26 years. He holds a Bachelor’s in Chemical Engineering from Zhejiang University and an MBA from the Macau University of Science and Technology. Jorge’s expertise lies in developing energy-efficient industrial oils and supporting market upgrades in China.

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Oskar Vögler
Project Manager, Carbon Minds

Oskar brings five years of experience in Life Cycle Assessment (LCA) and Product Carbon Footprint (PCF) calculations. Since 2024, he has led Carbon Minds’ lubricants and grease industry initiatives, helping clients implement PCF assessments and sustainability strategies. His work focuses on net-zero pathways and regulatory compliance for global supply chains.

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Sanjay Verma
Director – Decarbonisation Solutions, Wärtsilä Singapore

Sanjay started his career as a marine engineer and transitioned to Lloyds Register before joining Wärtsilä in 1999. Currently based in Singapore, Sanjay drives market innovation by developing sustainable shipping solutions, focusing on energy efficiency and sustainable fuels.

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Wilhelm Rehbein
Senior Manager, Application Technology, LANXESS Deutschland GmbH

Wilhelm has over 35 years of experience in the development of metalworking fluids and industrial lubricants. He spent 23 years as a senior development chemist in Germany before joining LANXESS in 2011. Wilhelm currently develops guideline formulations and additive packages for metalworking applications.

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Yasuaki Maeda
Research Professor, Osaka Metropolitan University

Yasuaki holds a PhD from the Tokyo Institute of Technology and has over 50 years of experience in applied chemistry and environmental engineering. His contributions to environmental chemistry have earned him numerous awards, including recognition from the Japan Society of Environmental Chemistry. Yasuaki has also served as an expert with Vietnam’s Ministry of Natural Resources and Environment.

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Dr. Thomas Schimmel
Vice President Automotive, Evonik Oil Additives

Thomas has more than 20 years of experience in global technical and commercial roles within the chemical industry. Holding an MSc and a PhD in Polymer Science from the Technical University of Berlin, his research has spanned water treatment, coatings, inks, and lubricants. His focus on automotive and industrial lubricants aligns with his commitment to greater resource efficiency and sustainability. Thomas has lived and worked on three continents and currently resides in Singapore, leading automotive initiatives for Evonik Oil Additives.

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Cary Knuth
Vice President Commercial, Chevron Oronite

Cary, appointed vice president of Commercial at Chevron Oronite in July 2023, has been with Chevron since 1990. He began his career through Chevron’s Fuels MBA Development Program and has held senior positions, including Vice President of Americas Marketing Fuels, Global Base Oils, and America’s Finished Lubricants. Cary holds a Bachelor of Science from Brigham Young University and an MBA from Oregon State University, bringing over three decades of commercial expertise to his current role.
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Michael D. Holloway
President, 5th Order Industry LLC 

Michael is the president of 5th Order Industry, where he offers expertise in failure analysis, reliability engineering, and experimental design. With 40 years of experience, Michael has held research and engineering roles at Olin Chemical, WR Grace, Rohm & Haas, GE Plastics, NCH, ALS, and SGS. He holds 16 professional certifications, a patent, and advanced degrees in Polymer Engineering and Chemistry. Additionally, he has authored 12 books and been cited extensively in industry publications and academic research. He holds an MS in Polymer Engineering, a BS in Chemistry, and a BA in Philosophy.

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Mayuko Sumiya
Chief Staff, Lubricant Planning Department, ENEOS Corporation

Mayuko joined ENEOS in 2017 after earning her Master’s degree in Integrated Design Engineering from Keio University. With over five years of experience in research and development, she has focused on transmission oils, EV oils, and cooling oils for OEMs. In her current role, Mayuko leads new business initiatives, leveraging her technical background and strategic insight to explore emerging technologies and industry opportunities, driving innovation within ENEOS.  
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William A. Buscher III
Principal Engineer, Intertek

William serves as Principal Engineer within Intertek’s Automotive Research division, part of the Transportation Technology Business Line. With 30 years in the fuels and lubricants industry, William specialises in standardised engine lubricants testing. He holds a Bachelor of Science in Mechanical Engineering from Penn State University and has spent the last decade contributing to Intertek’s technical leadership.
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Dennis L. Bachelder
Senior Engineer, Engine Oil Licensing and Certification System (EOLCS)
American Petroleum Institute

Dennis serves as a Senior Engineer in the EOLCS Program at API. His experience spans lubricant development, engine testing, additive package development, and product line management. He has previously worked with General Electric, Teledyne Continental Motors, and Fairbanks Morse/SEMT Pielstick, setting lubricant standards and developing tests to assess engine oils for gasoline and diesel engines. Currently, Dennis plays a key role in maintaining the API 1509 Engine Oil Standard and advancing new standards for passenger car and heavy-duty engine oils. He holds a Bachelor of Science and a Master of Science in Mechanical Engineering from the University of Wisconsin Madison.

 

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Mike Kunselman
Business Development Director, Center for Quality Assurance

Mike is the Business Development Director at CQA, an organization focused on quality control and licensing programs. He identifies and facilitates new initiatives, such as the International Fluids Consortium (IFC) and the NLGI’s High-Performance Multiuse (HPM) grease certification program. Mike also contributed to the Top Tier™ Approved Fuels program. Before joining CQA in 2013, he worked across several industries, including transportation, construction, and semiconductors. He holds a Bachelor of Science in Chemical Engineering from Iowa State University and a Master of Business Administration (MBA) from the University of Michigan.

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Jackie Zhou
CTS Group Leader, Afton Chemical

Jackie is the CTS Group Leader at Afton Chemical, where he oversees technical development for driveline eMobility fluids in the Asia-Pacific region. Jackie holds a master’s degree in chemistry and chemical engineering from China Southeast University. With a career beginning at Toyota Motors, Jackie joined Afton in 2012 and has since played a vital role in delivering technical solutions for passenger and commercial driveline sectors, particularly focusing on automotive transmission fluids.
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Dr. Yasa Sathyam Reddy
Assistant Manager Research, Automotive Oils, R&D Centre, Indian Oil Corporation Ltd.

Sathyam is an Assistant Manager Research in the Automotive Oils Department at Indian Oil Corporation Ltd., R&D Centre in Faridabad, India. He holds a PhD in Chemistry from the Indian Institute of Chemical Technology, focusing on bio-lubricant synthesis, and completed postdoctoral work on ionic liquids as lubricant additives. Since joining Indian Oil Corporation in 2017, Sathyam has developed automotive oil formulations, published extensively, and presented at international conferences.

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Sahkundiyar
Senior Specialist Bioenergy and Biofuel Development, PT Kilang Pertamina Internasional

Sahkundiyar is a seasoned professional in the downstream energy sector with expertise in hydroprocessing, process safety, sustainability, and biofuels. He holds a degree in Chemical Engineering and an MBA from Institut Teknologi Bandung in Indonesia. Since 2019, he has led major projects at Pertamina, including the first HVO production trial and the Cilacap green refinery start-up. Currently, he oversees sustainable aviation fuel (SAF) production initiatives aimed at making Pertamina the first Southeast Asian company to commercialize SAF.
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Joel Garrett
SVP, Safety Kleen Oil (a division of Clean Harbors)

Joel is a Senior Vice President at Safety-Kleen Oil, a division of Clean Harbors. With a Doctor of Science in Sustainable Chemistry from the University of Massachusetts, Joel’s career spans various leadership roles including VP of Global Sales at Capital Southwest Industrials and COO at Triboscience & Engineering, Inc. He has also served as President of Summit Lubricants, a division of Quaker Chemical, and as Executive Vice President of Kluber North America. An accomplished professional and U.S. Army veteran, Joel has received several U.S. Military Awards, including those for service in Panama and Iraq.

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Kevin Delaney
Global Sales Director, Petroleum Group, Vanderbilt Chemicals, LLC

Kevin brings more than 40 years of expertise in the lubricant industry, initially working on additive synthesis and formulation before transitioning into technical sales and sales management across the Asia Pacific. Currently, Kevin leads the Petroleum Group at Vanderbilt Chemicals, where he continues to deliver innovative solutions to the lubricants market. A committed member of the Society of Tribologists and Lubrication Engineers (STLE) since the early 1980s, Kevin has held numerous leadership roles, including as STLE Vice President, contributing extensively to the society and industry at large.
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Alok Sharma
Director (R&D) and Board Member, Indian Oil Corporation Ltd.

Alok leverages decades of experience in India’s refining sector, where he pioneered technologies such as food grade hexane and vegetable oil co-processing. Known for his work in alternative energy, Alok has been instrumental in advancing hydrogen, biofuels, and CO2 capture at IndianOil R&D. He has more than 92 patents and has received numerous awards, including the World Petroleum Congress Excellence Award. As a strategic leader, he guides intellectual property initiatives and coordinates major projects across India’s energy landscape, steering towards a sustainable future.

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Sarah Horne
Vice President, Synthetic Base Stocks, ExxonMobil Product Solutions Company

Sarah began her career with Esso UK in 1998, advancing through multiple global roles across ExxonMobil’s downstream operations. With experience spanning commercial, IT, and corporate functions, Sarah has held key roles in the U.S. and Asia, including leading fuels businesses in Thailand and heading Investor Relations and ESG initiatives. Now overseeing synthetic base stocks, Sarah’s strategic insight and international expertise drive ExxonMobil’s growth in critical areas of product solutions.
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Venkat Deshpande
Senior Principal Engineer, Powertrain Design & Evaluation, Toyota Motor North America

With 30 years in the automotive industry, Venkat specializes in oil and fluid standards for Toyota’s North American market. His background includes hardware design management for engines and transmissions tailored to North American vehicles. Venkat holds an engineering degree from Osmania University in Hyderabad, India, and a master’s degree from Clemson University, combining technical prowess with a dedication to advancing Toyota’s powertrain standards and fluid technologies.

Mansi Tripathy

Mansi Madan Tripathy
Chairman, Shell Group of Companies in India & Vice President, Shell Lubricants Asia Pacific

Mansi is a seasoned leader with more than 25 years of experience across diverse industries and global markets. In her current role, she manages a USD2.5 billion portfolio and oversees Shell’s presence in India, which includes 13,000 employees and a USD3 billion turnover. Mansi also serves on the boards of Hankook Shell (South Korea), JOSLOC (Saudi Arabia), and MRPL Aviation. A strong advocate for gender balance, Mansi mentors more than 7,000 professionals in the Shell Women’s Network.

Recognized for her leadership, Mansi received the F&L Asia Person of the Year Award in 2024 and the Executive of the Year Award from Singapore Business Review in 2022. She has also been honored as one of India’s fastest-rising women leaders. Mansi has held key positions at Procter & Gamble and led Shell Lubricants India as Managing Director. With a strong commitment to decarbonization, she continues to make strides in brand building, market growth, and talent development.

She holds a B.Tech in Electronics and Communication from NIT Kurukshetra and an MBA in Marketing from S.P. Jain Institute of Management and Research. Passionate about fitness, Mansi has completed more than 50 marathons, enjoys Indian classical dance, and mentors students globally.

Dilek Ersu

Dilek Ersu
Sales and Business Development Manager, ChainCraft

Dilek holds a Bachelor’s degree in Chemical Engineering and a Master’s in Polymer Science and Technology. In her role at ChainCraft, she leverages her extensive experience to drive industrial business development and forge strategic partnerships. Passionate about sustainability, Dilek focuses on advancing bio-based solutions that promote circularity within the chemical industry. She collaborates with major chemical companies to develop ChainCraft’s innovative bio-based molecules, which serve as sustainable building blocks for various applications, including synthetic esters used in novel lubricants.

Guoru Zhang

Guoru Zhang
Senior Expert, Sinopec Lubricant Co., Ltd.

Guoru is a senior expert at Sinopec Lubricant Co., Ltd., specializing in the R&D and application of transmission fluids for electric vehicles. She founded the NEV Fluid Innovation Studio at Sinopec, focusing on lubricant technologies for new energy vehicles. Since joining Sinopec in 2006, Guoru has developed standards for various gear and transmission oils, including heavy-duty vehicle gear oils and agricultural machinery lubricants. She is an active member of the China Europe Association’s Gear Transmission Industry Expert Committee and serves as an expert advisor for the Ministry of Science and Technology at Sinopec.  
Yasushi Onamata

Yasushi Onumata, Ph.D.
Automotive Oil R&D Group Manager, ENEOS Corporation

Yasushi is the Automotive Oil R&D Group Manager at ENEOS Corporation in Japan, where he leads the development of automotive lubricants, including engine oils, motorcycle oils, and transmission fluids. With more than 20 years of experience, Yasushi specializes in drivetrain oils and tribology. He holds a Ph.D. from the University of Leeds, where he researched additive mechanisms in Continuously Variable Transmission Fluids, and a Master’s in Chemical Engineering from the University of Tokyo.

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Taufik Aditiyawarman
Chief Executive Officer, Kilang Pertamina Internasional

Taufik Aditiyawarman, an esteemed professional in the oil and gas industry, has over 30 years of experience across engineering, management, and corporate leadership. Currently CEO of Kilang Pertamina Internasional, Taufik has led transformative initiatives in refining and petrochemical operations, focusing on sustainability and innovation. A graduate of Universitas Indonesia and the University of Manchester, Taufik is also actively involved in industry organisations, including serving as Chairman of IAFMI and Vice Chairman of BKM PII.

 

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Werry Prayogi
President Director, PT Pertamina Lubricants

Werry Prayogi has dedicated over 30 years to advancing Indonesia’s energy sector. As President Director of PT Pertamina Lubricants, Werry has driven the company’s global initiatives, including partnerships with Lamborghini Squadra Corse and MotoGP. Under his leadership, Pertamina has expanded its product portfolio with innovations in diesel exhaust fluids and specialty chemicals.

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Kazuo Yamamori
Project Manager, Electrification & Environment Material Engineering Division, Toyota Motor Corporation

Since joining Toyota in 1997, Kazuo Yamamori has spearheaded research and development in automotive lubricants. He has played a key role in standardising industry practices as Chair of the Engine Oil Sub-Committee of JASO and leader of the Next Generation Gasoline Engine Oil Task Force. Kazuo holds a Master’s degree from Nagoya University.

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Xavier Roy
CAE Lubrication Engineer, Drive System Engineering, Tesla Inc.

Xavier Roy leads computational fluid dynamics (CFD) modelling for Tesla’s drive units, with a focus on the Robotaxi platform. Joining Tesla in 2022, he specialises in lubrication system design, evaluating gearbox performance through simulation. Xavier holds a B.Eng. and M.S. in Aerospace Engineering, with prior experience in CFD solver development and deep-space propulsion.

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Minje Park
R&D Engineer, SK Innovation

Minje Park earned his Ph.D. in Mechanical Engineering from Seoul National University in 2018. At SK Innovation, Minje focuses on advanced thermal management systems for batteries and electric drive units in hybrid and electric vehicles. His work supports the development of efficient, integrated solutions for next-generation mobility.

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Inga Herrmann
Sales Manager & Sustainability Lead, Ergon International Inc.

With over 28 years of experience in the lubrication industry, Inga Herrmann brings unmatched expertise in sales strategy and sustainability evaluation. Formerly Head of the Lubricants Department at VSI, Inga played a key role in establishing European sustainability standards. Now at Ergon, she is advancing sustainable practices globally. Inga serves on sustainability committees with ATIEL, UEIL, and ALIA.