Dr Pak has taught and researched at Charles Sturt University in Australia since 2007. His expertise has been in the field of complementary medicine and has become recognised nationally and internationally through ongoing external research collaborations. His area of interest relates specifically to introducing evidence-based practice (EBP) to complementary medicine research and practice. This has been based on laboratory experiments incorporating modern medical technologies to identify and evidence the underlying rationale for prescribing therapeutic substances for treatment.