[Below briefly focus on Sample Summer Internship Experience Letter Format for students, volunteers, social workers, and internees. You need to change the letter as per your requirements.]
Summer Internship Experience Letter
To Whom It May Concern
This is to certify that (students, volunteers, social workers or internee name), S/O (Parents name) has been affiliated with the (Company/Institute name) since (Date) and did voluntary work (Job type) from (Date to Date)
During his stay with us, he helped us organize several charity drives and other fundraising events. (Briefly describe on job responsibilities). He also helped us coordinate the summer internship program. He was a dedicated volunteer involved in extracurricular activities with the children at the institute. (Job performance and other qualifications). We wish him good luck in all his future endeavors.