 HOUSTON, Texas and VANCOUVER, Canada, May 25, 2021 PRNewswire - ESSA Pharma Inc. ESSA or the Company Nasdaq: EPIX, a clinical-stage pharmaceutical company focused on developing novel therapies for the treatment of prostate cancer, today announced that Dr. David R. Parkinson, Chief Executive Officer of ESSA, will participate in a fireside chat at the upcoming Jefferies Virtual Healthcare Conference. 