Empowering Employees
GC values its employee as valuable resources, so it has drawn up a career path and launched the Learning and Development Programs for all employees, by determining the functional and leadership competencies necessary for each job position and each working level in order to develop their capability to correspond to the company’s goals and human resource development strategy. GC has also established a Succession Plan to select an appropriate replacement, who possesses necessary qualifications and is a role model in corporate culture, for each job position.
GC has developed both internal and external development programs to enhance employee capability, including coaching or mentorship, as well as team-based collaboration and network-building. These programs cover both full-time and contractual employees. The company has developed various programs such as the Leadership Development Program, Cultural Education to promote understanding and respect for diversity, the Transition Program for Retiring and Terminated Employees, and the Digital Transition Program. Example of programs from this year, including the Leadership Acceleration Program and the Leadership Development Program to develop employees within the Talent and Successor groups, respectively, with the objective of cultivating skills and competencies benchmarked against leading global organizations. The Company has also maintained continuous operations across a number of key employee development initiatives, including the dEX | SPARK – Data Science and Engineering Program; the Innovation and Productivity Enhancement Program through Integrated Learning based on Constructionism Theory (PI-ChEPS); the English Language Skills Development Program delivered through VOXY, a language institution recognized by leading academic institutions worldwide; and the Happy Retirement Journey Program.

Name & Description of the program
dEX | SPARK - Data Science and Engineering Program
This is a training program that was developed for employees in analyzing and processing data skills (Data Science and Engineering Program), which are applied in working and production processes.
Learning Methods
Coaching or Mentorship and Teams and Networks.
Type of Programs
Digital Transition Program.
Description of program objective/business benefits
GC has collaborated with True Digital Academy since 2021 to develop and organize the Data Science and Engineering Program for employees.
The knowledge acquired from the course can be applied to enhance GC’s data analysis and management capabilities and to leverage digital technology to support GC’s research and development. The business benefits of the program are both revenue generation and cost-saving.
From 2021 to 2025, the program welcomed over 3,500 participants. Consequently, there are more than 900 projects that are viable for actual practice.
Quantitative Impact of Business Benefits
The revenue generation and cost-saving as a result of the Data Science and Engineering Program are 113.36 million baht in 2025
Type of workforce
Full-time Employee.
%FTE participating in the program
82.78%

Name & Description of the program
Practical Manager Series: Diversity, Equity and Inclusion Workplace
A program designed to support managers and supervisors, as key role players, in fostering collaboration, resolving conflicts impartially, and providing equal work opportunities.
Learning Methods
Coaching or Mentorship and Teamwork/Networking (Teams and Networks)
Type of Programs
Cultural Education programs to build understanding and respect for diverse cultures
Description of Program Objective/Business Benefits
GC has developed an E-Learning course titled "The Practical Manager Series: Diversity, Equity and Inclusion (DEI) Workplace", designed to equip managers and supervisors, as key organizational drivers, to:
- Foster collaboration among team members
- Raise awareness, understanding, and respect for differences in cultural backgrounds
- Resolve conflicts impartially and provide equal work opportunities
- Comply with laws and ethical standards
- Build an organization that attracts diverse talent
- Enhance the organization's reputation
Organizations that prioritize DEI will be more flexible, adaptable, and better positioned to thrive in an ever-changing environment.
Type of workforce
Full-time Employee.

Name & Description of the program
Leadership Master Trainer
A talent development initiative designed to cultivate leadership potential from within the organization, with a focus on establishing a foundation for strategic learning through internal resources, in order to reduce reliance on external trainers and foster a sustainable learning culture.
Learning Methods
Coaching or Mentorship
Type of Programs
Leadership Development Program
Description of Program Objective/Business Benefits
This initiative has the primary objective of building a leadership development ecosystem based on internal organizational resources to ensure long-term sustainability, with a focus on enhancing personnel capabilities to a level of strategic expertise that is aligned with GC’s context and reducing dependence on external trainers, thereby not only strengthening the competitive capabilities of management-level personnel but also fostering a strong environment of knowledge sharing and learning, enabling the organization to continuously adapt and grow through the effective transfer of internally generated knowledge.
Quantitative Impact of Business Benefits
This initiative has enabled the Company to reduce costs by approximately THB 2 million per year through the development of Internal Trainers within the organization.
Type of workforce
Full-time Employee.
FTE participating in the program
7.85%

Name & Description of the program
Happy Retirement Journey
This program is designed to prepare employees approaching retirement as well as those interested in physical health, financial well-being, and mental readiness, with the aim of equipping them with the knowledge to manage their post-retirement life happily and confidently.
Learning Methods
Coaching or Mentorship and Teams and Networks.
Type of Programs
Transition Program for Retiring Employees.
Description of program objective/business benefits
The company prepares employees nearing retirement through communication and education on various topics, such as explaining benefits like severance pay, provident funds, and retirement allowances. It also covers planning and managing post-retirement finances to ensure lifelong sufficiency, knowledge about physical and mental health care after retirement, and post-retirement support activities. These include promoting awareness of supplementary careers after retirement, information and rights related to social security and senior citizen welfare, to ensure that retired employees receive maximum benefits. Currently, 34 out of a total of 69 retired employees have participated in the program.
Quantitative Impact of Business Benefits
The satisfaction rating was 98.2%
Type of workforce
Full-time Employee
%FTE participating in the program
49.2%

Name & Description of the program
One Team-People Excellence GC-GCME
This employee development program for contractual staff focuses on enhancing their potential through training and knowledge-sharing, revising individual development plans, and improving work processes by integrating digital solutions. The goal is to equip contractual employees with the skills needed to effectively meet customer needs.
Learning Methods
Coaching or Mentorship and Teams and Networks.
Type of Programs
Contractual Development.
Description of program objective/business benefits
The company has developed and implemented the Turnaround – Warehouse strategy to enhance the flexibility and readiness of contractual employees in adapting to future changes in the industry. The initiative focuses on building knowledge and skills in Safety, Security, Health, and Environment (SSHE), as well as strengthening digital technology capabilities. This aims to enable employees to adopt innovative approaches in their work and deliver sustainable best practices to customers. This year, 551 contractual employees have participated in the program.
Type of workforce
Contractual.
5 Key Capability
GC is committed to promoting employee growth alongside organizational growth by offering a variety of training programs. These programs focus on developing individual potential and building new skills or reskill, especially to prepare for and mitigate negative effects of industrial or climate transition changes through various initiatives.
In 2025, the company initiated the development of the 5 Key Capabilities, emphasizing the importance of understanding industrial transformation by building skills in five core areas: Digital, Innovation, Global Acumen, Sales & Marketing, and Sustainability. The Sustainability pillar also covers the understanding of potential impacts from climate change. Employees are provided with foundational knowledge in these areas and are encouraged to apply what they learn to their work. Furthermore, from 2025 to 2027, the company plans to further develop these five capabilities to ensure tangible outcomes in daily operations and to continuously elevate employees toward becoming solution providers and driving business impact.




Productivity Improvement and Innovative Creation Training by Learning Concept of Chemical Engineering Practice School (Pi-ChEPS) Program is designed to give GC employees knowledge about chemical engineering plus the ability to use it for practical applications. Part of our company’s goal of being a learning organization, the program offers skills and processes for life-long learning.
The PI-ChEP learning process is based on a three-part constructionism concept
- The first concept is learning and thinking skills such as meditation, MicroWorlds, the GOGO Board, information searching, English, and mathematics.
- The second concept is technical skills for chemical engineering such as process science & calculation, mass & energy balance, fluid transport, heat transfer, unit operation, and measurement & control.
- The third concept is project-based learning from problems in plant operations that can improve skills in planning, analysis, and presentation by doing individual and group projects.

From 2013 to the present, the PI-ChEPS program has been implemented by applying knowledge from this program to create many projects that have been successfully implemented and can save production costs for the company continuously.
GC determines the business benefits of our investments in employee development programs by applying a third-party methodology, which is Kirkpatrick Model & Phillips ROI Methodology to measure the return on investment for training programs. It takes into account any style of training to determine aptitude based on four levels, including 1) Reaction, 2) Learning, 3) Behavior, and 4) Results. The program in 4th level of the Kirkpatrick Model are calculated Training ROI by using the Phillips ROI Methodology have four phases are 1) Evaluation Planning to develop evaluation plans and baseline data, 2) Data Collection, 3) Data Analysis to isolate the benefit of programs and covert to monetary value for using for ROI calculation, and 4) Reporting to develop report and communicate results. The Training ROI is calculated using the project benefits and costs.
Additionally, in the past year, GC has implemented the various programs to develop employee capability such as providing employee trainings through the Learning Management System (LMS), which is an online platform that encourages necessary skills development for employee operations, GC Voxy English, Application of MS Teams, and cybersecurity standard. Furthermore, GC has employed the Up Learning Platform, an online learning platform where employees can freely choose courses of their own interest. The courses had been carefully selected, taking into account the skills and academic competencies required in the current and future world to provide opportunity for employees, who want to change or develop oneself to keep up with modern skills and knowledge, to learn and apply knowledge in their work effectively.
According to our leaning and development programs, GC illustrates the employee development performance in 2025 in the figure below.
Performance Summary
Employee Development Performance
Types of Training
| Type of Training | Average Training Hours (Hour/Person/Year) |
Average Amount Spent on Training (Baht/Person/Year) |
|---|---|---|
| Technical | 8.94 | 1,552.58 |
| Leadership | 5.99 | 25,303.37 |
| Occupational Health and Safety | 10.85 | 1,543.40 |
| Support for business for expansion | 10.27 | 2,706.19 |
| Others | 6.83 | 821.18 |
Average Training Hours
| Gender | Average Training Hours (Hour/Person/Year) |
Average Amount Spent on Training (Baht/Person/Year) |
|---|---|---|
| Female | 22.94 | 10,125.63 |
| Male | 38.33 | |
| Average Training Hours | 61.28 |
Investment in Employee Training
85.05 million Baht