On 30 May 2025, Boromarajonani College of Nursing, Chiang Mai and Thanyarak Chiang Mai Hospital signed a memorandum of understanding to strengthen quality nursing workforce development in the care of people who use drugs and addictive substances. Dr. Apisak Wittayanookulluk, hospital director, and Asst. Prof. Dr. Amavasee Ampansirirat, college director, signed the agreement. A certificate presentation followed for 27 graduates of the four-month postgraduate specialized nursing program in substance use care. Dr. Apisak presided, and Mrs. Aranya Phaechui, Deputy Director for Nursing, presented the training report. Asst. Prof. Dr. Amavasee presented gold, silver, and bronze academic achievement awards, an outstanding academic improvement award, and a Popular Vote award. The chair offered advice and encouragement and formally closed the program. A graduate representative thanked the participating organizations and presented a souvenir to the hospital. Executives, lecturers, graduates, and their relatives took photographs together, marking another step toward sustainably developing the national workforce in mental health nursing and substance use care.