Freeline Therapeutics Holdings plc (Nasdaq: FRLN) (the “Company” or “Freeline”), a clinical-stage, fully integrated, next generation, systemic AAV-based gene therapy company with the ambition of transforming the lives of patients suffering from inherited systemic debilitating diseases, today announced that Theresa Heggie, Chief Executive Officer, will participate in a fireside chat at the Morgan Stanley Virtual 18th Annual Global Healthcare Conference on September 15 at 8.00 am EDT.