Rationale appointed Shamini Rajar- ethnam as its new CEO. Since the brand’s inception 25 years ago, Rationale has provided Australia’s dermatologists and plastic surgeons with premium scientific skin care solutions. Rajarethnam has been a powerful and highly influential member of the Rationale team for five years, according to the company. From her initial appointment as digital strategist, Rajarethnam’s leadership and management skills were apparent. In 2015, she was promoted to general mana...