Dr. Sadachai Nittayarumphong

Head of the Sales

Siemens Mobility Limited Thailand

Dr. Sadachai Nittayarumphong is 42 years old. He is now the Head of Sales of the railway business for Siemens Mobility Thailand.  

Dr. Sadachai was born in Bangkok. He is the first son of his family. Because of his passion for mathematics and physics, Dr. Sadachai went to the engineering school and received a bachelor’s degree in electrical engineering from Kasetsart University. After graduating from his bachelor’s degree program, he wanted to explore more international experiences, so he decided to pursue further studies in Germany. Dr. Sadachai received his master’s degree in Mechatronics Engineering from Universität Siegen and worked on his Ph.D. dissertation under IAIS Fraunhofer Institute in Sankt Augustin to develop an innovative power supply with piezoelectric technology funded by Infineon Technologies AG. His research works have been published in many international conference proceedings. Dr. Sadachai received his Ph.D. degree in Electrical Engineering from Technische Universität Dresden. 

After completing his studies in Germany, he came back to Thailand and started his career with Siemens Thailand in 2009 as Assistant to the Head of Railway Services. Dr. Sadachai's career path has continued to move upward since then. He was promoted to be Sales Manager and later on became the Head of Sales for railway services before being appointed Head of Sales for the entire railway business as his current position. Dr. Sadachai has intensive experience in sales and customer relationship management, especially for the railway business area. During his career he has an outstanding record of growing the business orders year to year.