I'm writing this reference letter on behalf of Betty Yang. I've been Betty's supervisor for four years in **** University. In just those four short years, I've watched her rapidly advance from an entry-level position to a Senior **** Representative. I've never hesitated to recommend him for promotion when her time came.

　　Betty derives satisfaction from helping our customers troubleshoot problems. Many of those who've received help from Betty specifically ask for her when they again contact support, and for good reason: She's professional, courteous and quick to help. Her skills are sharp and without prompting, she keeps them honed to a razor's edge. I often see Betty in our lab before or after work hours, replicating problems. Additionally, Betty doesn't abandon her customers when the whistle blows. She sticks to it even after hours, until he resolves her customers' problems.

　　Betty is a team player who is always willing to share the knowledge her sponge-like brain soaks up. For example, thanks to Betty's willingness to share the trouble-ticket notes she so meticulously recorded and compiled, our ****Department was able to craft symptom-fix, step-by-step, online troubleshooting guides for our field engineers. Consequently, we've seen an increase in customer satisfaction, a reduction in ***calls, and a significant savings on the department's bottom line.

　　I have nothing but good things to say about Betty and I'd strongly recommend her for any endeavor she chooses. Please don't hesitate to contact me if you'd like to hear more good things about Betty.

　　Sincerely,
　　[Signature]
　　Tom Green Supervisor ***@***.com