About us

Evidencia operates with a collective purpose of making an evident impact to the goals of our client organisations and ultimately to peoples' lives

Our Vision

Our vision is to be the most trusted communications and innovation consultancy, for the medical and pharmaceutical industries, in Australasia

Yoonah Choi - PhD


Yoonah combines creative thinking with strong scientific understanding to deliver medical communications services of the highest quality. With over 13 years’ medical writing experience, Yoonah has a deep understanding of the pharmaceutical and biotechnology industries. She has gained insights for effective communications across a broad range of therapeutic areas and across multiple platforms. Yoonah continually seeks new ways to meet the communication needs of the brands she works on. Yoonah leads a team of highly qualified, experienced medical writers who have extensive experience in both industry and academia.

Michael Kim


Michael brings almost 20 years of experience across innovation, strategy, marketing and program management in Australia and Asia. He has built a portfolio of successful new ventures spanning; e-commerce, digital health solutions, logistics technology, and has spearheaded the market expansion efforts of global health brands in Asia including; P&G and Blackmores. Previously, Michael has also led large-scale, corporate innovation initiatives, working closely with global leading minds in innovation and design thinking. He has been involved in the development of several industry disrupting, customer-centric solutions across health, life insurance, banking and retirement.