Chayut Wiriyawattana
@chayutwiriyawattana
I drive B2B OEM growth through strategic sales leadership and profitable customer expansion.
ThailandWhat I'm looking for
I’m a Commercial and Sales Executive with 25+ years driving B2B growth across the automotive value chain. As Sales Director OEM at Thai Bridgestone, I manage a $130M annual OEM tire revenue portfolio and lead strategic account management across Japanese and non-Japanese OEMs.
I grew OEM market share from 37% to 46% over 5 years, delivering 16.7% revenue growth—about $19M in additional annual revenue. I extended responsibilities into Toyota SEA accounts across Indonesia, Malaysia, Vietnam, and the Philippines, while opening non-Japanese OEM accounts including Ford, SAIC, and Chery.
I’m known for leading profitability improvement through pricing and cost initiatives, achieving 10–15% price increases and ~3% cost reductions per year via negotiations with OEM procurement teams. I also lead cross-functional execution—running a team of 30 (Sales / Technical Sales / Admin)—and I’ve earned J-OEM Supplier Awards for 5 consecutive years.
Experience
Work history, roles, and key accomplishments
ales Director – OEM | Thai Bridgestone Co., Ltd. Aug 2017 – May 2025
Scope: Thailand domestic OEM + Toyota SEA accounts (Indonesia, Malaysia, Vietnam, Philippines)
• Managed $130M annual OEM tire sales covering Japanese, Korean, and Chinese automakers across Thailand.
• Grew OEM market share from 37% to 46% over 5 years, delivering 16.7% revenue growth — approximately $19M in additional
annua
Scope: ASEAN – Thailand, Indonesia, Malaysia, Vietnam, Philippines
• Managed $40M automotive battery business across ASEAN for Ford and Honda regional accounts.
• Coordinated with OEM procurement and engineering teams across multiple countries to secure supply agreements and project approval
• Developed new business across Southeast Asia, winning 2 new accounts within 2 years.
• Served as main
ASEAN Key Account Manager – Honda | Bosch Automotive Thailand (Wiper / Parking Sensor) Jan 2012 – Jun 2015
Scope: ASEAN – Honda accounts across Thailand, Indonesia, Malaysia
• Managed Honda regional KPIs across ASEAN, coordinating commercial and technical activities across multiple countries.
• Handled cross-border project delivery between Bosch engineering teams and Honda procurement and engin
Account Manager Key Account
Bosch Automotive (Thailand)
Jan 2012 - Jun 2015 (3 years 5 months)
Account management role for Wiper/Parking Sensor key accounts at Bosch Automotive (Thailand) with responsibilities supporting multi-country OEM relationships.
Account Manager Key Account
Jan 2012 - Jun 2015 (3 years 5 months)
Worked as Account Manager Key Account at Bosch Automotive (Thailand) – Wiper/Parking Sensor.
• Represent GM Thailand in Global future car program development process starting from Design to SORP
• Lead Global core support program management-work team to ensure consistent customer voice
Managing GM Product strategic (Passenger Car) to be aligned as One Global Direction
• Provides Marketing idea and Business solution to support and maintain the Sales volumes in Global markets
• Dete
• Product planner for Honda car line-up in ASEAN to ensure customer needs
(Concept, Design, Positioning, Pricing and target customer)
• Developed and implemented Market research for ASEAN
(Quantitative, Qualitative, Home visit, In-house survey Etc.)
• Acquired in-depth market information to develop market and competitors database to attain
and achieve company Sales target
•
Performed market research to shape product design, pricing, and launch plans for AP.
Education
Degrees, certifications, and relevant coursework
Assumption University
Bachelor of Education (BEd), Business
1995 - 2000
Business in Japanese
Toyota Nishi Senior Highschool
Certificate, AFS Exchanged student
1994 - 1995
Bangkok Christian College
Diploma
1986 - 1994
Tech stack
Software and tools used professionally
Availability
Location
ThailandAuthorized to work in
Job categories
Skills
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