What is the status of Professor Yu Yang in Yang Sheng?

Song Yifu, whose real name is Song Jun, was born in1March 3, 972. He is 43 years old and comes from Changchun. His major is auto repair, and he studied in Changchun 89 Middle School. Song Yifu has only one dietitian qualification certificate. In order to package Song Yifu, the boss sponsored Tsinghua University Public Health Research Center, got Song Yifu a course teacher and project researcher, and the title of director of People's Daily Health Times, and publicized it in illegal advertising programs and various occasions, using these identities to confuse middle-aged and elderly people and buy their health care products.

Yu Yang, whose real name is Liu Dan, was born in1June, 980+1September, and graduated from Changchun Normal University. He is 35 years old now. Both of them are ordinary employees of Centennial Kangcheng Health Products Company. They have not received any medical education and medical professional knowledge, but only obtained a nutritionist qualification certificate.