She is a past recipient of the Pasifika Medical Association Service Award for her contribution to Pacific Health. She was a Medical Officer of Health with Auckland Regional Public Health Service from 2017 to 2018, where she helped lead the response to the wider region’s mumps outbreak. She was appointed as the Secretary (Director General) of Health for the Cook Islands Ministry of Health in June 2018 and helped lead the national emergency health response to COVID-19. Dr Herman was appointed Director of Pacific Health at Waitematā DHB in 2021.